八年级英语下册期末试卷(共10篇)由网友“pilgrim820”投稿提供,下面是小编整理过的八年级英语下册期末试卷,希望对大家有所帮助。
篇1:八年级英语下册期末试卷及答案
本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分。第Ⅰ卷为第1至65题,第Ⅱ卷为第66至101题。试卷总分140分,考试时间110分钟。
(友情提示:请将答案填写在答题纸上!)
第Ⅰ卷(选择题80分)
一、听力测试 (本大题共20小题,每小题1分,计20分)
A) 听下面10段对话。每段对话后有1个小题,从题中所给的A、B、C三个选项中选出最佳选项。每段对话读两遍。
1. Which sight are they talking about?
A. B. C.
2. What does the man often do after work?
A. B. C.
3. What’s the man’s telephone number?
A. B. C.
4. What’s the woman’s father?
A. B. C.
5. What colour does the woman like best?
A. Yellow. B. White. C. Orange.
6. Has the girl’s mother ever been to Hainan Island?
A. Sorry, I don’t know. B. Yes, she has. C. No, never.
7. What was Meimei doing when Li Lei saw her?
A. She was doing some shopping. B. She was cooking a meal.
C. She was helping her mother to cook a meal.
8. Why wouldn’t Jessica like to see the movie Coming Home?
A. Because she has seen it. B. Because the movie is not exciting.
C. Because she has to prepare for the test.
9. Why did Tom get up so early this morning?
A. Because he wanted to do sports. B. Because he wanted to catch a train.
C. Because he wanted to walk a dog.
10. What would Sally like their school to have?
A. More books. B. More libraries. C. More clubs.
B) 听下面1段对话和2篇短文。对话和短文后有几个小题,从题中所给的A、B、C三个选项中选出最佳答案。对话和短文读两遍。
听1段对话,回答第11-12小题。
11.What are they talking about?
A. The CCTV news. B. The sports program. C. The TV station. (电视台)
12.What does the woman think of watching too much TV?
A. It is good for health. B. It is not helpful. C. It is helpful for sports.
听第1篇短文,从13-15小题中选择正确的选项,完成信息记录表。
A busy week
Monday Go to my cousin’s birthday party
Tuesday 13
Wednesday 14
Thursday Study for my 15 test
Friday Go to the movies
13. A. Go to the dentist B. Play basketball C. English
14. A. Go to the museum B. Play tennis C. Have a test
15. A. Maths B. Arts C. Chinese
听第2篇短文,回答第16-20小题。
16. Why did Anna save money at first?
A. Because she hoped to buy some toys.
B. Because she wanted to help homeless children.
C. Because she hoped to go to Disneyland one day.
17. When did Anna know about the Road House?
A. At the age of four. B. At the age of eight. C. At the age of twelve.
18. How did Anna know about the Road House?
A. From a newspaper. B. On the Internet. C. From a TV programme.
19. What didn’t Anna buy in the shop?
A. A toy. B. Some socks. C. Some pencils.
20. Who did Anna buy the presents for?
A. A homeless child. B. Her good friend. C. Herself.
二、单项选择(本大题共15小题,每小题1分,计15分)
从A、B、C、D四个选项中选出一个可以填入句中空白处的最佳答案。
21. Britain is ________ European country. It is also________ island country.
A. an, a B. the, an C. a, an D. an, an
22. ---It’s a pity that I failed. But I am sure I will make it if I am given another ________.
--- I think so.
A. chance B. purpose C. success D. condition
23. Marry told me not to drive________ high speed.
A. in B. at C. on D. with
24. --- Sally, I went to the concert last night. How big Yangzhou Music Hall is!
--- So it is. It is ________ to hold more than one thousand people.
A. big enough B. enough big C. too big D. big too
25. --- I will meet Linda at the station. Please________ what time she will arrive.
--- Just a minute, please.
A. count B. choose C. check D. catch
26. --- Have you decided _______ to Beijing, the capital of China?
---Yes. I’ll go there by plane. It’s faster than by train.
A. when to go B. how to go C. who to go D. where to go
27. Try to guess its meaning when you meet a new word. Don’t just __________ your dictionary all the time.
A. look on B. take on C. keep on D. depend on
28. --- Remember to return the book to the library in time, __________ you will be fined.
--- Yeah, I know.
A. or B. and C. but D. then
29. ---He’s never been to the USA, ?
--- . He plans to go there again.
A. is he, Yes, he is B. has he, No, he hasn’t
C. has he, Yes, he has D. is he, No, he isn’t
30. ---What do you want to eat for lunch? 1 will prepare earlier today,
---Honey, you____________. Let’s go out to have something different.
A. mustn’t B. can’t C. shouldn’t D. don’t have to
篇2:八年级下册英语期末试卷附参考答案
听力部分
Ⅰ.听力。(共20分)
一.听句子,选择正确的应答语。(每小题1分,共5分)(听两遍)
( )1. A. No, I dont. B. Yes, please. C. Yes, Id love to.
( )2. A. Sorry to hear that. B.OK, I will. C. Me too.
( )3. A. Weve been to Canada. B. We had a good time in Australia.
C. We decided to go to the UK.
( )4. A. So you werent late. B. I wish I could sleep longer. C. Dont arrived late again.
( )5. A. Why not take some medicine? B. What do you want to eat?
C. What were you doing at that time.
二.听对话,选择正确答案。(每小题1分,共5分)(听两遍)
( )6. Whats the matter with Tina?
A. She has a fever. B. She has a cough. C. She has a stomachache.
( )7.What does the man want? A hat. B. A cat. C. A kite.
( )8.Whom did the girl have a fight about?
A. Her brother. B. Her friend. C. Her cousin.
( )9.What are they talking about?
A. The world. B. The geography book. C. The longest river.
( )10. What did Alices father buy for her twelfth birthday?
A. A bag. B.A cake. C. A bike.
三.听长对话,选择正确答案。(每小题2分,共10分)(听两遍)
听第一段对话,回答11-12小题。
( )11.How many times has Tom s een The Monkey King?
A. Twice. B . Three times. C. Four times.
( )12.Who is Ming? A Marys pen friend. B. Toms pen friend. C. Toms brother.
听第二段对话。回答13-15小题。
( )13.What dance are they talking about?
A. Yangge dance. B. Dragon dance. C. Lion dance.
( )14.Who likes this kind of dance?
A. Young people. B. Middle-aged people. C. Old people.
( )15.What do the people think of their clubs?
A. They are very interesting. B. They can help them make friends.
C. They can make them famous.
笔试部分
Ⅱ.词汇(每题1分,共10分)。
A) 用括号中所给单词的适当形式填空。(5分)
1. He hopes to live a simple and (peace) life.
2 At the concert, we met five __________(German).
3.My elder brother took my things without (ask) me.
4.Jim loves sports, (especial) basketball.
5.Working as a volunteer at the Old Peoples Home was an (usual) experience.
B)根据句意及汉语提示完成单词。(5分)
1. My parents dont __________ (允许) me to go out at night..
2.With the __________ (发展) of science, we can enjoy life better.
3.We hope the little girl can tell us the __________(真相).
4. Youll never know (除非) you try.
5.My mom often (鼓励) me to talk with others more.
Ⅲ.语法与情景会话(每题1分,共15分)
( )1. ---Whats matter with you? --- I have sore back.
A. a ; the B. the ; / C. / ; a D. the ; a
( )2.--- __________more vegetables is good for your health.
A. Eating B. Eats C. Ate D. Eat
( )3. Could you please hang out with me this afternoon?
_____ _ . I have to make a plan for Clean-Up Day.
A. Sorry, I couldnt B. Sorry, I cant C. Sure, I can D. Sure, I could
( )4.Bob wants to fix up the bikes and __________ to the poor children.
A. give away them B. give them away C. give out them D. give off them
( )5. Linda has two sisters. One is 11 and ______ is 13.
A. another B. others C. the others D. the other
( )6. She always gets up early __________ she can catch the early bus to school.
A. although B. so that C. so D. because
( )7. The beach is a good place ______ our weekend.
A. spend B. spent C. to spend D. spending
( )8. Hes never been to The Great Wall , ?
A. is he B. has he C. isnt he D. hasnt he
( )9. So far, I ______ my pet dog. Im very sad.
A. didnt find B. have found C. havent found D. found
( )10. Lets ______ these old books from the room and give them to children in need.
A. cut out B. clear out C. put up D. set up
( )11. ______? Since two years ago .
A. How long have you lived here B. When did you live here
C. Have you lived here for two years D. Did you live here two years ago
( )12. Has your brother ever been to London ? Yes , . We went together
A. so have I B. so I have C. neither have I D. neither I have
( )13.---How is your English study? ---Not bad. But I __________ learning English grammar.
A. am interested in B. am good at C. have a little trouble D. have no trouble
( )14. There were ______ people watching the performance yesterday.
A. two thousands of B. two thousands C. thousands of D. thousand of
( )15. Lets go to the history museum this weekend. ______.
A. That soun ds fun B. Thats all right C. Youre welcome D. You should try it Ⅳ.动词考查(每题1分,共10分)
A) 用所给动词的正确形式填空。(5分)
1.I (listen) to music at home when you called me up.
2. These days Bob is considering ______ (travel)to Hong Kong.
3. I dont know how__________ (take) care of my little brother.
4.I am used to __________(get) up early every morning.
5.Tom studies hard __________(make)his dream come true.
B) 根据句意,从方框中选择恰当的短语填空,有的需要变换形式。(5分)
succeeded in became interested in compare with even though die down
1.She still went to work ______ she didnt feel well yesterday.
2.Just now we ______ working out the math problem.
3.The strong wind was __________ when I finally got home.
4.Jack told us that he __________tea art.
5.The parents always __________their kids __________others.
Ⅴ.按要求完成句子(每题1分,共15分)。
A) 句型转换(按括号内的要求转换下列句型,每空填一词)。
1. Its an amazing movie. (改为感叹句)
amazing movie !
2. I have learnt English for five years . (对划线部分提问)
have you learnt English?
3.They swam in the river.(用this time yesterday 改写)
They were in the river this time yesterday.
4.His father died three years ago. (改为同义句)
His father has ________ for three years.
5.Jack is thirteen years old . Sally is thirteen years old ,too.(合并为一句)
Jack is Sally.
B) 根据汉语意思完成句子(每空限填一词,5分)。
1.她不在家,去图书馆了。
She is not at home. She __________ _____________ to the library.
2.赶快,不然你就会上学迟到的。
,or youll be late for school.
3.我们的老师把我们当做他们自己的孩子。
Our teachers us as their own kids.
Ⅵ.阅读理解。(每题2分,共20分)
A) 根据短文内容,判断下列各句正误。正确的写T,错误的`写F。
Jim, with his father, goes to see his grandfather. In the train Jim often puts his head out of the window. His father says, Jim! Dont put your head out of the window! But Jim goes on putting his head out of the window.
Here his father takes Jims hat quietly, hides it behind his back and says, You see your hat is gone. Jim is afraid.
His father says, Well, whistle(吹口哨)once. Perhaps your hat will come back. Jim whistles. His father puts quickly the hat on Jims head.
Oh! Its wonderful! Jim laughs. He quickly takes his fathers hat and throws it out of the window. Now its your turn to whistle, Dad! He says happily.
1.Jim and his father go to see his grandfather by bus. ( )
2.Jims father tells Jim not to put his head out of the window. ( )
3.Jims father takes Jims hat and hides it behind his back. ( )
4.Jim doesnt want to have his hat back. ( )
5.Jim takes his fathers hat and throws it out of the window. ( )
B)根据 短文内容,选出一个最佳答案。
Many students in China are learning English. Some of these students are small children. Others are teenagers. Many are adults. Some le arn at school, others learn by themselves. A few learn English language over the radio, on television, or in films. One must work hard to learn another language. Why do all these people want to learn English? It is difficult to answer that question. Many boys and girls learn English at school because it is one of their subjects. They study their own language and math and English ... Some people learn English because it is useful for their work. Many people often learn English for their higher studies, because at college or university(大学) some of their books are in English. Other people learn English because they want to read newspaper and magazines in English.
( )1. Many students in China are learning English, arent they? ____.
A. No, they arent B. No, they are C. Yes, they are D. Yes, they arent
( )2. If one wants to learn another language we ll, he must ____.
A. learn at school B. study by himself C. work hard D. study at college
( )3. Whats the Chinese meaning of learn by themselves?
A. 和他 们一起学习B. 自学 C. 向他们学习D. 通过学习
( )4. Their own language means ____.
A. Chinese B. English C. French D. Japanese
( )5. Why do all these people want to learn English ?
A. Because Its a subject for students at school.
B. Because Its useful for some peoples work.
C. Because Its helpful for some peoples higher studies,reading newspaper and magazine.
D. All above.
Ⅶ.完形填空。(每空1分,共10分)
All students 1 to have good study habits. When you have good study habits, you learn things 2 . You also remember 3 easily.
Do you like to study 4 the living room? This is not a good place, 5 it is usually too noisy. You need to study in a quiet place, like your 6 . A quiet place will help you only to think about 7 .
When you study, do not think about 8 things at the same time. Only think about your homework. If you do this, you will do your homework 9 quickly, and you will make 10 mistakes.
Good study habits are very important. If you do not have them, try to learn them. If yours are already good, try to make them better.
( ) 1. A. need B. must C. can D. may
( ) 2. A. quick B. easy C. slowly D. easily
( ) 3. A. it B. easy C. them D. they
( ) 4. A. on B. this C. up D. in
( ) 5. A. because B. so C. so that D. unless
( ) 6. A. kitchen B. bedroom C. bathroom D. living room
( ) 7. A. one thing B. many things C. nothing D. everything
( ) 8. A. the other B. other C. others D. the others
( ) 9. A. more much B. much C. much more D. most
( ) 10. A. few B. less C. little D. fewer
Ⅷ. 补全对话。(每题1分,共10分)
A) 根据对话内容补全单词。
A: What kind of volunteer work would you like to do, Kim?
B: Id like to 1 up old people on weekends.
A: Thats great, Id like to do that, too.
B: Well, we need to come up 2 a plan now.
A :Im a little hungry. Lets have lunch first.
B: No, we cant put off 3 a plan. Its Saturday tomorrow.
A:OK.I think we can visit them in the old peoples home.
B: That 4 good, Anna! We can sweep the floor and wash clothes for them.
A: Youre right, Kim. We can also sing songs for them and 5 them some interesting stories.
B :Oh, great!
B) 根据对话内容,从方框中选择恰当的选项补全对话,其中有两项多余
A: Hi! This is Li Jing speaking!
B: Hi, Li Jing. This is Han Li. (1)_______
A: No. I am in the school library now.
B: In the school library? (2)_______
A: Robinson Crusoe. Han Li, have you read the fiction?
B: Yes, of course. (3)_______ Ive read it twice.
A: (4)_______
B: Its about a man called Crusoe. He experienced lots of unbelievable difficulties on an island and finally he got what he wanted.
A: How exciting!
B: (5)_______ To be honest, he was a real hero (英雄).
A: Oh, it sounds like a great book.
A. Have you finished reading it?
B. And he was kind, hard-working and brave.
C. Have you gone back home?
D. Its one of my favorite fictions.
E. When did you borrow it?
F. What book have you borrowed?
G. Whats it about?
Ⅸ.书面表达。(共10分)
假如你是李佳,你正在看你这周的周计划,统计这周你已经完成的事情及没有完成的事情。下表是你统计的结果,请根据表格内容用英语写一篇短文,介绍一下你这周的计划完成情况。80词左右,可适当发挥。短文开头已给出,不计入总词数。
Things you have done practice the piano
take the singing less on
listen to a pop music CD
Things you havent done wash clothes
read the book Tom Sawyer
Im Li Jia. Im looking at my plan for this week. I find I have done some things, but I havent done the other things._____________________________________________________________________
_____________________________________________________________________
篇3:八年级下册英语期末试卷附参考答案
Ⅰ.听力(20分)
题号 1 2 3 4 5
答案 C B A A B
题号 6 7 8 9 10
答案 B A C C C
题号 11 12 13 14 15
答案 A B A C B
笔试部分
Ⅱ.词汇(每题1分,共10分)。
A)1. peaceful 2. Germans 3. asking 4. especially 5. unusual
B) 1. allow 2. development 3. truth 4. unless 5. encourages
Ⅲ.语法与情景会话(每题1分,共15分)。
题号 1 2 3 4 5
答案 D A B B D
题号 6 7 8 9 10
答案 B C B C B
题号 11 12 13 14 15
答案 A A C C A
Ⅳ.动词考查(每题1分,共10分)
A)1. was listening 2. traveling/travelling 3 to take 4. getting 5. to make
B)1. even though 2. succeeded in 3. dying down 4. became interested in 5. compare with
Ⅴ.按要求完成句子(每题1分,共15分)。
A)1. What an 2. How long 3. swimming
4. been dead 5. as old as
B) 1. has gone 2. hurry up 3. regard
Ⅵ.阅读理解。(每题2分,共20分)
A)1. F 2. T 3 T 4. F 5. T
B) 1. C 2. C 3. B 4. A 5. D
Ⅶ.完形填空。(每题1分,共10分)
题号 1 2 3 4 5 6 7 8 9 10
答案 A D C D A B A B C D
Ⅷ. 补全对话。(每题1分,共10分)
A)1. cheer 2. with 3. making 4. sounds 5. tell
B) 1. C 2. F 3. D 4. G 5. B
Ⅸ. 书面表达。(共10分)
Im Li Jia. Im looking at my plan for this week. I find I have done some things, but I havent done the other things.(略)
篇4:八年级下册物理期末试卷
一、填空题(每空1 分,共14 分)
1.转速为1200r/min 的四冲程单缸内燃机,若每个工作循环做功600J,该内燃机的功率为______W.若
汽缸的横截面积为200cm2 ,活塞一个冲程运动的距离是30cm,则做功冲程产生的平均压力是______N,
压强是______Pa.
2.会使用基本的仪器测量相关的物理量是一项必会的基本技能。在“用电流
表测电流”的实验中,某同学连接的电路如图1 所示.
(1)闭合开关,观察到灯泡L1 和L2 的发光情况是________.
(2)该电路存在的问题是__________.
3.为了参加全国青少年创新大赛,小强运用所学电学知识设计了
一个电子身高测量仪,如图2 所示,其中定值电阻R 1 =5Ω,电源
电压恒为4.5V,滑动变阻器R
2 的规格为“15Ω 0.5A”,电压表
量程为0~3V,电流表量程为0~0.6A,
(1) R
1 在电路中的作用是__________.
(2)当被测身高增加时,电压表的示数______(选填“变大”、“变小”
或“不变”)
(3)当滑动变阻R器 2 接入电路的阻值是6.25Ω时,电流表示数为______A.
4.如图3 所示是关于电阻A、B 的I-U 图像。由图可知,电阻值较大的电阻是
______Ω。若将A、B 两电阻并联后接在电压为2V 的电源两端,则并联电路干路
中的电流是______A,此时电路总电阻值是______Ω.
5.两定值电阻R丝 1=440 Ω,R2=220 Ω,若将R
1 和R
2 串联后接到220 V 的电源
上,在相同时间内, R
1 和R
2 上产生的热量之比是.
6.如图4 所示电路,电源电压保持不变,R 为定值电阻.闭合开关S,调节滑动变
阻器R',发现电流表示数从0.1A 变为0.3A,电压表示数改变了4V.那么定值电
阻R 的电功率变化了W.
7. 灯泡L1、L2 分别标有“10V 10W”和“9V 5.4W”的字样,若将两灯泡并联到电路中,电路消耗的最
大功率是_______W.
二、选择题(每小题2 分,共16 分)
8.如图表示四冲程内燃机工作时的示意图,一个工作循环的正确顺序为( )
图3
A.甲、乙、丙、丁B.丁、丙、乙、甲
C.甲、丁、乙、丙D.甲、丙、乙、丁
9.如图所示,一带负电橡胶棒靠近用细线挂住的轻细吸管A 端时,吸管发
生了转动.对吸管A 端带电性质判断正确的是( )
A.若相互吸引,一定带正电
B.若相互吸引,一定带负电
C.若相互排斥,一定带正电
D.若相互排斥,一定带负电
10.如图所示电路,要使电阻R1、R2 并联,则应将( )
A.S 2 、S3 闭合,S1 断开
B.S 1 、S2 闭合,S3 断开
C.S2 闭合,S 1 、S3 断开
D.S1 闭合,S 2 、S3 断开
11.将带正电的玻璃棒与不带电的验电器金属球接触后,验电器也会带上正电,是因为( )
A.玻璃棒上的正电荷转移了一些到验电器上
B.玻璃棒上的电子转移了一些到验电器上
C.验电器上的电子转移了一些到玻璃棒上
D.玻璃棒与验电器之间没有发生电子的转移
12.如图所示的电路中,甲、乙、丙是连接在电路中的三只电学仪表.闭合
开关S 后,灯L1、L2 均正常发光.则( )
A.甲是电流表,乙、丙是电压表
B.甲是电压表,乙、丙是电流表
C.乙是电流表,甲、丙是电压表
D .乙是电压表,甲、丙是电流表
13. 如图所示,电源电压保持12V 不变,R1=30Ω,变阻器R2 的阻值变
化范围是0~20Ω.开关S 闭合,当变阻器滑片P 由a 端滑至b 端过程
中电压表示数的变化范围为( )
A.7.2V~0V
B.4.8V~0V
C.4.8V~7.2V
D.4.8V~12V
14. 如图所示,电源电压保持6V 不变,电流表的量程为0-0.6A,电压表的
量程为0-3V,定值电阻R1 的规格为“10Ω 0.5A”,滑动变阻器R2 的规格为
“20Ω 1A”。闭合开关,为了保证电路安全,在变阻器滑片移动过程中,下
列说法正确的是( )
A.电阻R1 消耗功率允许的变化范围为0.4W-0.9W
B.电流表示数允许的变化范围为0.2A-0.5A
C.变阻器R2 接入电路的阻值允许变化范围为2Ω-20Ω
D. 电路消耗总功率允许的变化范围为1.2W-3W
15.分别标有“6V 6W”和“6V 3W”的甲、乙两只灯泡,经实验测得其I-U
特性曲线如右图所示。现将甲、乙两灯并联在电路中,当两只灯泡的总电流
为1A 时,两只灯泡消耗的总功率是( )
A.3W B.4W C.4.5 W D.6 W
三、作图题(每小题2 分,共4 分)
16.请在图上用笔画线代替导线把电路元件连接起来,要求L1 与L2 并联,开关控制整个电路且用滑
动变阻器控制L1 灯泡的亮度.
17.根据如图所示的实物连接图,画出对应的电路图.(要求连线要横平竖直,尽量使电路图简洁美
观)
四、实验探究题(18 题7 分,19 题7 分,20 题5 分,共19 分)
18.在探究“电流与电阻的关系”的实验中。所选定值电阻的阻值分别R为 1=5Ω,R 2 =l0Ω,R3=20Ω,
滑动变阻器的规格为“15Ω 1A”。
(l)请在图l3 中的虚线框内画出滑动变阻器的电路符号,并用笔画线代替导线,将图14 所示的实物
电路连接完整。
(2)连好电路后,按下列步骤进行实验:
①R将 1 接入电路,调节滑动变阻器,使电压表的示数为1.5V,记下I1 。
②R用 2 替换R
1 接入电路,接下来的操作是:
③用R
3 替换R
2 接入电路,当滑动变阻器接入电路的阻值最大时,电压表的示数也大于1.5V,实验
无法进行下去。请写出一种解决问题的方法使实验继续进行下去。
(3)本实验的结论是:________________________________________________________。
19.为了比较水和食用油的吸热能力,小明用两个相同的装置做了如图所示的实验.实验数据记录如
表.
(l)实验室准备了两个规格相同的酒精灯、两支温度计、烧杯、秒表、适量的水和食用油,为了完
成实验.还需要.
(2)两方案中水和食用油吸热多少是通过来反映的.
(3)从表中数据可知,水和食用油的质量(选填“相同”或“不相同”),加热结束
时,食用油的温度比水温度(选填“高”或“低”).
(4)在实验中,如果要使水和食用油的最后温度相同,就要给水加热更长的时间,此时,水吸收的
热量(选填“大于”或“小于”或“等于”)食用油吸收的热量.
物质质量
/g
初始温
度/℃
加热时
间/min
最后温
度/℃
初二物理
(5)实验表明, (选填“水”或“食用油”)吸热的能力更强.
(6)本实验采用的研究方法主要是.
20.小阳利用已有的实验器材,为了测定标有“2.5V”字样小灯泡的额定功率,设计了如图甲所示的
电路图,其中定值电阻R0 的阻值为5Ω。
(1)请你依据电路图用笔画线代替导线,把图乙连接完整.(导线不得交叉)
(2)正确连接好电路后,闭合开关S,调节滑动变阻器滑片,使电流表A1 示数为______A 时,小灯
泡正常发光.此时电流表A2 的示数如图丙所示,则小灯泡的额定功率为______W.
(3)在实验测量过程中,电流表A1 与R0 串联起来作用相当于______.
五、综合应用题(第21 题9 分,第22 题8 分,共17 分)
21.太阳能热水器是直接利用太阳能给水加热的装置,下表是小明家的太阳能热水器某天在阳光照射
下的相关信息.
其中太阳辐射功率是指1h 内投射到1 O面积上的太阳能.求:
(1)水在5h 内吸收的热量;
(2)如果水吸收的热量用天然气来提供,需要完全燃烧多少m3 的天然气;(天然气的热值为8.4×
10 7 J/m3,天然气完全燃烧放出的热量50%被水吸收)
(3)该太阳能热水器的能量转化效率.
太阳照射时
间/h
装水量/K 吸热板面积/
O
水升高的温
度/℃
水的比热容
/J/(K ℃)
太阳辐射功
率/J/(Oh)
5 50 2.5 50 4.2×103 1.68×106
22.如图甲所示,电源电压恒为18V,灯泡L 上标有“10V 5W”字样,电流表量程为0~0.6A,电压表
量程为0~15V,滑动变阻器R 的最大阻值为200Ω,当只闭合S 和S1,移动滑动变阻器的滑片P 时,
它两端的电压与其接入电路的电阻关系如图乙所示。当滑动变阻器接入电路的阻值由R1 增大到4R1
时,定值电阻R0 的电功率变化了5.4W,求:
(1)灯泡L 正常发光时通过的电流。
(2)只闭合S 和S2,且滑动变阻器的滑片P 置于中点位置时,灯泡的实际功率;
(3)只闭合S 和S1,在保证电路安全的情况下,当电阻R0 消耗电功率最小时,滑动变阻器R 消耗
的电功率。
篇5:八年级语文下册期末试卷
说明:1.本试卷共8页(试题卷4页,答题卷4页),满分120分,考试时间150分钟。
2.答案必须写在答题卷相应的区域内,在试题卷上答题无效。
一、积累与运用(28分)
1.下列加点的字注音全部正确的一项是(2分)
A.匿名(nì)眷念(juàn)璀璨(càn)缄默(jiǎn)....
B.宽恕(shù)污秽(huì)和煦(xì)迁徙(xǐ)....
C.轩昂(xuān)鞭挞(tà)挑衅(xìn)干涸(hé)....
D.尴尬(ɡān)执拗(ǎ)媲美(pì)吞噬(shì)....
2.下列词语中没有错别字的一项是(2分)
A.正襟危坐粗制烂造众目睽睽故名思义
B.深恶痛绝冥思暇想孤陋寡闻相形见拙
C.暗然失色大发雷霆引经据点世外桃源
D.鹤立鸡群无可置疑海誓山盟莫衷一是3.下列句子中加点的成语运用不正确的一项是(2分)
A.当地震来袭时,地动山摇,来势汹汹的海水沧海桑田般地摧毁了一切建筑物。....
B.这对眼睛不会放过微不足道的细节,同样也能全面揭示广袤无垠的宇宙。....
C.只有认真看待过去的错误,并且深刻反省,才能避免重蹈覆辙。....
D.柳宗元携弟一行游览人迹罕至、凄清幽静的小石潭,其醉翁之意不在酒啊!.......
4.下列句子中没有语病的一句是(2分)A.同学们要厉行节约,杜绝不浪费水电等不良行为。B.能否顺利开展大课间活动,是提高学生身体素质的重要保障。C.我县有关部门开展了以“拒绝冷漠,唤醒真爱”为主题的交通安全主题宣传教育。D.“生产发展、生活宽裕、乡风文明、村容整洁、管理民主”,是社会主义新农村的具体体现。5.下列句子的语言表达最得体的一项是(2分)A.小薇说:“老师,我的小手绢你怎么还不给我洗干净!”B.李明不小心踩了方军一脚,李明马上表示歉意。方军说:“没关系,你又不是有意的。”C.营业员说:“你太矮了!这里的衣服都不适合你。”D.郑咏向别人介绍说:“王老师知识渊博,上起课来旁征博引,信口开河,精彩极了。”6.将下面句子重新排序,正确的一项是(2分)①当阳光洒在身上时,它更坚定了心中的信念——要开出:一朵鲜艳的花。
②不久,它从泥土里探出了小脑袋,渐渐地,种子变成了嫩芽。
③从此,它变得沉默,只有它知道它在努力,它在默默地汲取土壤中的养料。
④虽然它经受着黑暗的恐惧,暴雨的侵袭,但是它依然努力地生长着。
⑤种子在这块土地上的生活并不那么顺利,周围的各种杂草都嘲笑它,排挤它,认为它只是一粒平凡的种子。A.①⑤②③④B.①③②⑤④C.⑤③④②①D.⑤④②③①7.阅读下面材料,完成各题。(6分)国务院决定,从秋季学期起,启动农村义务教育学生营养改善计划试点。试点按照每生每天3元的标准,范围包括680个县(市),约2600万在校生。同时将家庭困难寄宿学生的生活费补助提高到小学生每天4元、初中生每天5元。目前,在我国西部一些地区,一些学生营养摄入量严重不足。据调查,摄入量只有推荐量的60%多。一些农村学生发育较慢,平均身高低于同龄城市孩子6厘米,体重也低约7千克。(1)结合材料内容,给材料拟一个标题。(2分)(2)在学校食堂进餐时,你可能会目睹一些浪费现象,请为学校食堂拟写两则倡导“节约”八年级语文期考试题卷第1页共4页
的标语。(2分)(3)班上要开展一次以“节约光荣,浪费可耻”为主题的演讲活动,假如你是这次活动的主持人,请你为这次活动设计一段开场白。(80字左右)(2分)8.默写。(每空1分,共10分)(1病树前头万木春。(刘禹锡《酬乐天扬州初逢席上见赠》)(2(陶渊明《饮酒(其五)》)(3)。(苏轼《水调歌头明月几时有》)(4)(杜甫《茅屋为秋风所破歌》)(5)(李商隐《无题》)(6直挂云帆济沧海。(李白《行路难(其一)》)(7。(岑参《白雪歌送武判官归京》)(8,气象万千。(范仲淹《岳阳楼记》)(9)张养浩的《山坡羊·是:
二、古诗文阅读(17分)
(一)古诗词鉴赏(3分)己亥杂诗浩荡离愁白日斜,吟鞭东指即天涯。
落红不是无情物,化作春泥更护花。
9.此诗第一句写诗人离别的优伤,其中直接表现离愁深重的词语是。(1分)10.请你谈谈最后两句用形象的比喻表明了作者怎样的心志。(2分)
(二)阅读下列两个文言文语段,答题(12分)
?甲?既加冠,益慕圣贤之道,又患无硕师名人与游,尝趋百里外,从乡之先达执经
叩问。先达德隆望尊,门人弟子填其室,未尝稍降辞色。余立侍左右,援疑质理,俯身倾耳以请;或遇其叱咄,色愈恭,礼愈至,不敢出一言以复;俟其欣悦,则又请焉。故余虽愚,卒获有所闻。
当余之从师也,负箧曳屣行深山巨谷中。穷冬烈风,大雪深数尺,足肤皲裂而不知。
至舍,四支僵劲不能动,媵人持汤沃灌,以衾拥覆,久而乃和。寓逆旅,主人日再食,无鲜肥滋味之享。同舍生皆被绮绣,戴朱缨宝饰之帽,腰白玉之环,左佩刀,右备容臭,烨然若神人;余则缊袍敝衣处其间,略无慕艳意,以中有足乐者,不知口体之奉不若人也。盖余之勤且艰若此。(选自《送东阳马生序》)
?乙?范仲淹二岁而孤①,母贫无依。再适长山朱氏②。既长,知其世家③,感泣辞母,去之南都④入学舍。昼夜苦学,五年未尝解衣就寝。或夜昏怠,辄以水沃面。往往颤(zhān)粥不充⑤,日昃(zè)⑥始食,遂大通六经⑦之旨,慨然⑧有志于天下。常自诵曰:当先天下之忧而忧,后天下之乐而乐。(选自《宋名臣言行录》)
〖注释〗①孤:幼年丧父谓之孤。②再适长山朱氏:改嫁到长山姓朱的人家。③世家:身世。④南都:地名。⑤颤粥不充:颤,稠粥。充,充足。⑥日昃:太阳偏西。⑦六经:指《诗》《书》《礼》《乐》《易》《春秋》六部经书。⑧慨然:形容慷慨激昂。
11.解释加点词的意思。(4分)(1)故余虽愚,卒获有所闻(2)同舍生皆被绮绣()..(3)腰白玉之环()(4)感泣辞母()..
12.下列句子中加点的“而”与“足肤皲裂而不知”中的“而”意义和用法相同的一项是(2分)
A.范仲淹二岁而孤B.人知从太守游而乐,而不知太守之乐其乐也..
C.潭西南而望D.先天下之忧而忧..
13.翻译句子(4分)
(1)寓逆旅,主人日再食,无鲜肥滋味之享。(2)或夜昏怠,辄以水沃面。
14.两文段的主人公都克服了生活的艰难,勤奋苦渎,从文段中来看,二者的读书动力略
有差别,请分别用自己的话概括,甲文宋濂是:①乙文范仲淹是:②。
反映古代名人苦读的成语故事有:③、(要求填写两个)。(4分)
篇6:八年级语文下册期末试卷
三、现代文阅读(25分)
(一)雾霾天气,警惕PM2.5污染
①随着媒体的关注,以PM2.5为代表的'“超细灰尘”污染引起了人们的广泛关注。那
么,PM2.5是什么?它对人体健康有哪些危害?面对雾霾天气,我们应如何抵御PM2.5污染呢?
②PM2.5是指大气中直径小于或等于2.5微米的颗粒物,也称为可入肺颗粒物。它的
直径还不到人的头发丝粗细的1/20。虽然PM2.5只是地球大气成分中含量很少的组分,但PM2.5粒径小,富含大量的有毒、有害物质,同时PM2.5在大气中的停留时间长、输送距离远,因而对人体健康和大气环境质量的影响更大。
④PM2.5“超细灰尘”主要来自机动车尾气尘、燃油尘、硫酸盐、餐饮油烟尘、建筑水
泥尘、煤烟尘和硝酸盐等,它是雾霾有害细颗粒的重要组成部分。
⑤气象专家和医学专家认为,由细颗粒物造成的灰霾天气对人体健康的危害甚至要比
沙尘暴更大。粒径10微米以上的颗粒物,会被挡在人的鼻子外面;粒径在2.5微米至10微米之间的颗粒物,能够进入上呼吸道,但部分可通过痰液等排出体外,也会被鼻腔内部的绒毛阻挡,对人体健康危害相对较小;而粒径在2.5微米以下的细颗粒物不易被阻挡,被吸入人体后会直接进入支气管,干扰肺部的气体交换,引发包括哮喘、支气管炎和心血管病等方面的疾病。
⑥人体的生理结构决定了对PM2.5没有任何过滤、阻拦能力。进入肺泡的微尘可迅速
被吸收、不经过肝脏解毒直接进入血液循环,其中的有害气体、重金属等溶解在血液中,分布到全身,损害血红蛋白输送氧的能力。对贫血和血液循环障碍的病人来说,可能产生严重后果。例如可以加重呼吸系统疾病,甚至引起充血性心力衰竭等心脏疾病。
⑦PM2.5还可成为病毒和细菌的载体,为呼吸道传染病的传播推波助澜。
⑧近30年来,我国公众吸烟率不断下降,但肺癌患病率却上升了4倍多。目前普遍认
为这可能与雾霾天增加有一定的关系,很多人已经把雾霾天气比喻成为大自然的“吸烟室”。不但浓雾缠绕、能见度非常低的天气会对人体健康产生影响,时而有雾时而多云的天气也会有同样的问题。雾霾天对人体心脑血管疾病的影响也很严重,会阻碍正常的血液循环,导致心血管病、高血压、冠心病、脑溢血,可能诱发心绞痛、心肌梗塞、心力衰竭等,使慢性支气管炎出现肺源性心脏病等。
⑨人体每天需要呼吸大约10立方米的空气,生活在城市里的人就相当于一个移动的
“空气过滤器”。1.少开车,堵车就熄火。汽车尾气燃烧时产生的尾气危害更大。所以长时间堵车时最好熄火,尽量少开窗。2.严禁近郊私自焚烧垃圾和枯草败叶。私自焚烧所产生的二恶英、烟尘颗粒等有毒物质,会使周边的城市在不知不觉中陷入“毒雾”。3.减少外出。专家认为,对于雾霾天气最直接的办法就是尽量减少外出。戴口罩可以防止一些灰尘进入鼻腔,能起到一定的防护作用。但对于最近引发热议的PM2.5,专家认为即便是专业的医用口罩,主要针对PM3以上的可吸入颗粒物,对于PM2.5以下的可吸入颗粒物抵御能力不强。4.室内不吸烟,远离二手烟;灰霾天气少开窗,可以养点花花草草;使用空气净化器,市面上80%的空气净化器都以净化空气中的细微颗粒物为主,对PM2.5有很好的吸附效果,但在使用时要注意勤换过滤芯。(10分)
15.阅读全文,指出下列说法符合原文的一项(2分)
A.PM2.5粒径小,因而对人体健康和大气环境质量的影响没有粒径大的颗粒物大。
B.粒径在2.5微米至10微米之间的颗粒物,能够进入上呼吸道,但可完全通过痰液
等排出体外,或者被鼻腔内部的绒毛阻挡,对人体健康危害相对较小。
C.近30年来,我国公众吸烟率不断下降,但肺癌患病率却上升了4倍多。这完全是雾霾天增加的结果。
D.雾霾天要减少外出,因为即使戴上口罩,它的防护作用也是有限的。
16.阅读⑤⑥⑦三个段落,分点概括PM2.5对人体的危害。(3分)
17.在第⑨段划线处加一句合适的话,来提示该段的主要内容。(2分)
18.结合文章内容,分析案例中李强的做法有哪些不当。(3分)
【案例回放】李强患有贫血,为增强体质,他加强锻炼身体,一年四季从不间断。遇到
多雾天气,也会驾车到城郊去爬山。有时遇到拥堵,他也从不熄火。他认为雾再厚,街上买个普通的口罩戴着爬山就没事了。
篇7:八年级下册物理期末试卷
八年级下册物理期末试卷
一、选择题(每题2分,共24分)
1. 上课时,老师听不清楚最后排一位同学的发言,走近这位同学后就听清楚了,这主要是因为老师走近这位同学后接收到该同学声音的
A.响度变大 B.响度变小 C.音调变高 D.音调变低
2.我们能分辨女高音、女中音,这主要是根据声音有不同的
A.响度 B.音调 C.音色 D.振幅
3.如图所示,在探究“声音是由物体振动产生的”实验中,将正在发声的音叉紧靠悬线下的轻质小球,发现小球被多次弹开。这样做是为了
A.使音叉的振动尽快停下来
B.把声音的振动时间延迟
C.使声波被多次反射形成回声
D.把音叉的微小振动放大,便于观察
4.下列关于声现象的说法正确的是
A.声音在金属中的传播速度比在空气中小
B.“不敢高声语,恐惊天上人”中的“高”是指声音的音调高
C.“闻其声而知其人”主要是依据声音的响度来判断的
D.声音在空气中以波的形式传播
5.以下操作中,不能改变音调的是
6. 下列温度符合生活实际的是
A.冰箱冷冻室的温度10℃ B.人体感觉舒适的室温是24℃
C.一标准大气压下沸水的温度是80℃ D.人体的正常体温是42℃
7.夏天,盛一盆水,在盆里放入两块高出水面的砖头,砖头上搁一只篮子,再把装有剩饭剩菜的碗放入篮子,用纱布袋罩好,就做成一个“简易冰箱”。如图,篮子里的饭菜放置大半天也不会变质,以上“简易冰箱”的工作原理是:
A.液化放热
B.凝固放热
C.蒸发吸热
D.升华吸热
8.寒冷的冬天,玻璃窗上会起“雾”或结“冰花”,下面关于此现象的说法正确的是
A.玻璃窗上的“雾”是水蒸气凝华形成
B.玻璃窗上的“冰花”是水蒸气升华形成
C.“雾”出现在玻璃窗的外表面
D.“冰花”结在玻璃窗的内表面
9.以下常见的物态变化实例中,放热的是
A.春天,冰雪消融 B.夏天,积水干涸
C.秋天,草木上出现了霜 D.冬天,冰冻的衣服变干
10.同学们都玩过肥皂泡泡,如图所示是小梦同学在-9℃的室外玩肥皂泡泡是拍摄的照片。他发现肥皂泡泡在很冷的室外会迅速结冰,掉落在地面如同散落的玻璃球。对这一现象包含的物物态变化及吸放热情况判断正确的是
A.这是凝固现象,需要放热
B.这是凝固现象,需要吸热
C.这是凝华现象,需要吸热
D.这是凝华现象,需要放热
11. 下列现象中属于升华的是
A.烧水时,壶嘴喷出的“白气”
B.使用的固体清醒剂越来越小
C.撒在地上的水一会儿没有了
D.加在饮料中的冰块不见了
12.下列仪器中,利用紫外线显著特点的是
A.电视遥控器 B.医用“B超”机
C.验钞机 D.夜视仪
二、填空题(本大题8小题,每空1分、共26分)
13.如图所示,“曾侯乙编钟”是大家所熟知的一套大型编钟。用钟锤敲击编钟,编钟会因___而发出声音,轻敲或重敲编钟同一位置所发出声音的___不同,用同样大小的力敲击大小不同的编钟,所发出声音的___不同。
14.发生地震时,有些动物比人提前感觉到,是因为这些动物听到了地震时产生的___(选填“超声波”或“次声波”);声呐在海洋勘察和军事方面都是一种重要的仪器,它是一种能定向发射和接收___(选填“超声波”或“次声波”)的设备;医院里、医生用声波碎石,说明声音具有___。
15.我们听见马路上汽车的鸣笛声是通过___传来的。在需要安静环境的医院、学校等单位附近,常常有禁止鸣笛的标志,禁止鸣笛是在___处减弱噪声。
16.走进气象站,可以看到如图所示的百叶箱,箱内主要的测量仪器有:两支温度计(测量并记录一天中最高气温的温度计和最低气温的`温度计)。百叶箱可以避免阳光照射时,太阳光中的___(选填“红外线”或“紫外线”)对箱内温度的影响;百叶箱中的温度计,是利用液体的___规律制成的;测量最低气温的温度计应采用凝固点较___(选填“低”或“高”)的液体作为测温物质;测量最高气温的温度计和______(选填“体温计”或“实验室温度计”)的结构是相似的。
17.使用温度计测量物体温度时,温度计的玻璃泡要与被测物______。用体温计测量体温读数时___离开人体读数(选填:“能”或“不能”),图中所示体温计的读数是___℃。
18.如图所示,是模拟大自然“雨”的形成实验,加热烧瓶里的水,一段时间后金属盘下部出现了“雨”。实验中烧瓶里的水经历的物态变化是先___后___。为了使实验中的“雨下得大些”,可以在上方的金属盘里放置______ (填“热水”或“冰块”)。
19.常用温度计里面的液体有的用酒精,有的用水银。已知酒精和水银的熔点和沸点如图表所示,北方漠河地区冬季最低温可达-54℃。80℃的酒精体积___(填“固定”或“不固定”);-39℃的水银可能有___种状态;测漠河地区冬季最低气温应选___温度计(选填“酒精”或“水银”),测1标准大气压下沸水温度应选___(选填“酒精”或“水银”)温度计。
20.光的三原色是___、___、___。人们用这三种色光混合后可以得到_ __色光的视觉效果(选填“一种”或“多种”)。
三、解答题(本大题8小题,共50分)
21. (3分)如图,将正在发声的小电铃放在连通于抽气机的密闭玻璃罩内,则:
(1)在用抽气机把玻璃罩内的空气逐渐抽出的过程中,所听到的声音将会逐渐______。
(2)随着抽气机将密闭玻璃罩内空气大量抽出,玻璃罩内就越接近真空状态,此时,小电铃声音小到几乎听不到,根据这个现象,我们推理得出:______。
(3)此实验现象说明声音的传播需要_____。
22.(4分)如图所示,通过探究,我们对太阳光有了更多的了解。
(1)图甲中,阳光通过三棱镜后,在白色光屏上呈现彩色光带,光屏上A、B是光带边缘的色光,其中A为___光,B为___光。
(2)在屏上标出了三个区域,用温度计测试不同区域的温度,其中能让温度计示数明显升高的区域是___(选填“①”、“②”或“③”).
(3)图乙中,在三棱镜和白色光屏之间放一块与光屏等大的蓝色玻璃,光屏呈现的光的颜色为___光。
23.(5分)某同学在探究物态变化的实验中,在试管中放入少量的碘,塞紧盖子放入热水中,观察到试管中固态碘逐渐消失,变成紫色的碘蒸气并充满试管。
(1)此过程固态碘发生的物态变化是___(填物态变化的名称)。
(2)在上述实验中,小明同学猜想:固态碘是先变成液体,再变成气体,因为速度太快,液态碘出现的时间太短,因而没有观察到。为验证猜想,他查询了一些小资料:碘的熔点是113.5℃,碘的沸点是184.4℃,水的沸点是100℃。请你根据上述小资料分析说明小明的猜想是: ___(选填“正确”或“错误”)的;理由是: _______________。
(3)为了进一步探究此类现象,小明在烧杯中放入适量的温水,然后放入一小块干冰(固态二氧化碳),此时观察到水中有大量气泡产生,同时水面有大量白雾,水中大量的气泡是由干冰___(填物态变化的名称)形成的,水面上大量的白雾是由水蒸气___(填物态变化的名称)形成的。
24.(14分)实验 “观察水的沸腾”
(1)安装如图甲所示的实验装置时,对①、②两个铁圈高度的定位,先固定铁圈___(选填“①”或“②”),再固定另一铁圈的高度。为了完成本实验还需要的实验测量器材是______。
(2)请你指出图甲中实验操作错误之处是_______________________。
(3)如图乙中,表示水在沸腾时的现象是其中的___(选填“A”或“B”)图。观察图甲中烧杯内壁a、b两处,可以发现___(选填“a”或“b”)处出现的水珠较多,这是因为____________。
(4)正确操作和读数,小明他们小组得到的实验数据如表1,小华小组得到的实验数据如表2。
表1
表2
①表1中3min时温度计的示数如图丙所示,温度值为___ ℃。
②根据表1中数据,在图丁中画出水温随时间变化的图像。
③分析表1或表2中数据可知:水沸腾时___热,温度___(选填“升高”、“不变”或“降低”)。
④对于两组实验数据,下列说法正确的是___
A.两个小组实验都失败了,因为水的沸点是100℃
B.只有小明小组数据可以接受,因为他们的数据最接近100℃
C.两小组的数据均有效
⑤从记时开始到水沸腾,______(填“小明”或“小华”)小组所用时间较短,原因可能是__________________。
(5)1个标准大气压下酒精的沸点是78℃,煤油的沸点是150℃,完成本实验所用的温度计玻璃泡中的液体可能是______(填“酒精”或“煤油”)。
25.(5分)小凡同学在4块相同的玻璃板上各滴一滴等量的水,进行如图1所示的实验探究,得出水蒸发快慢与水的温度、水的表面积和水面上方空气流动快慢有关。
(1)通过A、B两图的对比,可以得出水蒸发快慢与水的___有关.
(2)通过___两图的对比,可以得出水蒸发快慢与水的温度有关.
(3)小凡同学猜想水蒸发快慢还可能与水的多少有关,于是继续进行了如下探究:在相同环境下的两块相同的玻璃板上分别滴上一滴和两滴水.结果发现图2中甲图中水先蒸发完,于是他得出结论:水蒸发快慢与水的多少有关,水越少蒸发越快.从实验设计环节看,他没有控制水的___(填“多少”或“表面积”)相同;从得出结论环节看,“根据谁先蒸发完,判断谁蒸发快”是否正确? (填“正确”或“不正确”),理由是__________________.
26.(6分)在探究冰的熔化规律的实验中,实验装置如图甲所示。
(1)利用烧杯中的水给试管里的冰加热的目的是______。
(2)冰的熔化图像如图乙所示,由图像发现冰熔化过程温度___(选填“升高”、“不变”或“降低”),由此可知冰是___(填“晶体”或“非晶体”),第6min时,试管内的物质处于___(填“固”“液”或“固液共存”)态,冰熔化的过程经历了___min。
(3)若冰全部熔化成水后继续用酒精灯不断地加热,试管中的水最终__(填“会”或“不会”)沸腾。
降温用冰好,还是盐水结成的冰好?他们动手测量了盐水的凝固点。
(1)在选择器材时,小明提出不要使用量程为-2℃~102℃的温度计,要使用量程为-20℃~102℃的温度计,这样考虑主要是基于什么假设?
______________________
(2)小明和小红分别通过实验得到了盐水的凝固图像如图所示,则小明所测盐水的凝固点是___℃。
(3)他们同时发现所测的盐水凝固点并不相同,于是对比了双方实验过程,发现烧杯中装水都是相同的,小明加了1汤匙的盐,而小红加了3汤匙的盐,由此作出猜想:盐水的凝固点与盐水的浓度有关.接着多次实验得出不同浓度盐水的凝固点,数据记录如下:
分析表格中数据可知,当盐水浓度增大时,其凝固点__________。
(4)小明由表格数据得到盐水浓度为21%时凝固点最低,其值为-18℃,你认为他的判断准确吗?___(选填“准确”或“不准确”),你判断的理由是_______________。
(5)你认为给冷藏盒中药品降温最好选用___(选填“冰”或“适当浓度盐水结成的冰”)。
28.(7分)在学习吉他演奏过程中,小明发现琴弦发出声音的音调高低受到各种因素的影响,他决定对此进行研究,经过和同学们讨论,提出以下猜想:
猜想1:琴弦发出声音的音调高低,可能与琴弦的横截面积有关;
猜想2:琴弦发出声音的音调高低,可能与琴弦的长短有关;
猜想3:琴弦发出声音的音调高低,可能与琴弦的材料有关。
为了验证上述猜想是否正确,他们找到了表所列的8种规格的琴弦,因为音调的高低取决于声源振动的频率,于是借来了一个能够测量振动频率的仪器进行实验.
(1)如果选用编号为A、D、F的琴弦进行实验,是为了验证猜想__;
(2)为了验证猜想2,小明选用了编号为C、H的琴弦进行实验,他这的选择___(选填“合理”或“不合理”),原因是_______;
(3)为了验证猜想3,请填上表中所缺数据:长度为___cm,横截面积为___mm2;
(4)(2分)随着实验探究的深入,小明又觉得琴弦音调的高低与琴弦的松紧程度有关,为了验证这一猜想,他应该进行的操作是: 。
篇8:八年级下册语文期末试卷
八年级下册语文期末试卷
一、积累与运用(21分)
1、根据课文填空。(7分,其中1―5每题1分,6题2分)
(1)感时花溅泪,______________。
(2)《酬乐天扬州初逢席上见赠》中暗喻新旧事物更替的诗句是______________________,_____________________.
(3)郦道元《三峡》中引用的两句渔歌“______________,____________”与李白诗句“两岸猿声啼不住,轻舟已过万重山”描写的意境相似。
(4)“兴,百姓苦;亡,百姓苦”是封建社会的普遍现象。从你所积累的古诗词中选出两句表现“百姓苦”的诗句:___ ______,_______ ___。
(5)初冬的早晨,小明走出家门,看到满树的雪枝,不禁感慨地说:“真是‘ , ’。”(《白雪歌送武判官归京》)
(6) 赠别诗在中国古代诗词中占有相当的比率。不少诗句至今仍被人们广为传诵。王维在《送元二使安西》中通过“_______________ ,_____________ ” 来表达对友人的依依不舍之情。而王勃在《送杜少府之任蜀州》中的“______________,_________________” 更是成为了千古名句。
2、下列加点字注音全对的一项是:(2分)( )
A.缄默(xiān) 恣睢(zì) 宫阙(què) 锲而不舍(qiè)
B.妖娆(ráo) 拮据(jū) 炽烈(zhì) 惟妙惟肖(xiào)
C.惬意(qiè) 踌躇(chóu) 巷道(hàng) 恃才放旷(shì)
D.尴尬(gāng) 亵渎(xiè) 禅让 (shàn) 参差不齐(chā)
3、下面文字介绍的是北京奥运会主场馆的设计。用一个词语评价这一设计,最恰当的是(2分)( )
北京奥运会主场馆“鸟巢”的造型,是中国筑巢引凤、对外开放形象的象征,场馆灰色的钢结构框架与红色的碗状看台吻合了灰墙红门的老北京胡同特色。
A.惟妙惟肖 B.巧妙绝伦
C.妙手偶得 D.异想天开
4、根据下面文字的内容和表达的需要,在横线处补全标题,最恰当的是(2分)( )
万里长江横巨坝,_______ ___
5月20日14时,随着最后一方混凝土入仓,三峡大坝浇筑到顶。毛泽东主席“更立西江石壁,截断巫山云雨,高峡出平湖”的伟大畅想变为现实。大坝建成后,防洪标准可以从一遇提高到百年一遇,千年一遇的洪水可以得到有效控制,发电和航运等综合效益也将得到全面发挥。
A.锦绣大地笑颜开 B.银龙卧波美如画
C.万吨巨轮通四海 D.千秋伟业耀神州
5、下列句子中没有语病的一项是( )(2分)
A.改革开放以来,人民生活水平不断改善。
B.这支优美、舒缓的乐曲把紧张听众的心情都放松下来了。
C.我们只要懂得努力读书和关心政治这两方面紧密结合的道理就够了。
D.在奥运会上,他发扬了不怕牺牲、顽强拼搏,终于夺取了银牌。
6、请在下面横线上填入适当的语句,使文段前后连贯、呼应。(2分)
人生的价值不在于成就了轰轰烈烈的事业,而在于具体做好了什么。所以见到茂密的森林,你只要无愧地做森林中挺拔的一棵;见到群芳争艳的花园,你只盼无愧地做花园中普通的一朵; , 。虽是一棵,却能抗击风雨; , ;虽是一滴,却能滋润禾苗。这样人生也就无悔了。
7、中外名著常有一个精妙的开头语,例如俄国作家_________的《安娜卡列尼娜》中的“幸福的家庭都是相似的,不幸的家庭各有各的不幸”,中国作家罗贯中的《___________》中的“话说天下大势,分久必合,合久必分”。(2分)
8、期末语文考试结束后,假如你的家长不停地询问你考试的情况,你既想让家长放心,又想赶快转入下一场考试准备,这时,你应该怎样回答?(2分)
二、古诗文阅读(13分)
(一)咏柳
唐贺知章
碧玉妆成一树高,万条垂下绿丝绦。
不知细叶谁裁出,二月春风似剪刀。
[注释]绦(tāo):丝带。
9、一、二两句中,诗人用“碧玉”“绿丝绦”,写出了早春杨柳的哪些特征?(2分)
10、“二月春风似剪刀”是千古流传的名句,请你对这句诗作简要赏析。(2分)
(二)薛谭学讴
【原文】薛谭学讴于秦青,未穷青之技,自谓尽之,遂辞归。秦青弗止,饯行于郊衢,抚节悲歌,声振林木,响遏行云。薛谭乃谢求反,终身不敢言归。
【注解】①讴:这里是歌唱。②饯行于郊衢:饯,设宴送行。郊衢,郊外的大道边。③抚节悲歌:抚节,打着节拍。
11.解释下列加点的词在文中的意思。(3分)
①未穷青之技( )②乃谢求反( )③响遏行云( )
12.翻译:薛谭学讴于秦青,未穷青之技,自谓尽之(2分)
译文: 。
13.这个故事给你以怎样的启示?(2分)
答:
14.薛谭身上有无可取之处?如果有,是什么?(2分)
答:
三、现代文阅读:(共40分)
(一)(8分)黑辫子红绒鞋
时间会风化记忆,风化情感。在布满荆棘的人生之路上,我已经度过了最宝贵的年华。今天,当我步入了不惑之年时,我始终铭记着一位影响我人生轨迹的.人.她就是我的姐姐,一位淳朴、平凡的山区妇女。
我是农民的儿子。我的故乡坐落在宁夏西海固地区一个山旮旯里。我们兄弟姐妹6人在那块小天地里,从童年时代就见识了生活的艰辛。记得有一年冬天,终生面朝黄土背朝天的祖母病倒了,医生诊断是晚期肺癌。父辈们悄悄地流泪了。年小的孩子们仿佛在同一天里都变得懂事了。我们用尽好言好语安慰奶奶,并且和大人们一道严守着病情的“秘密”。一天深夜,奶奶几次艰难地唠叨:“嘴里发苦啊!想吃点清口的东西!”父辈们个个囊中空空,只好分头去借。这时候的姐姐已经是16岁的少女,她留着两条又黑又长又粗的辫子,那是她从小就非常珍爱的。第二天一早,她背着家人偷偷地在磨坊里把辫子剪掉了,双手捧着它跑进了离村子几十里之遥的供销社土产收购站。
两条乌黑的辫子放进了称碎铜烂铁的秤盘里,她换回了两瓶罐头。可是姐姐的孝心终于没能挽留住祖母的生命。
1975年初冬,我在辍学多年之后重新走进了中学课堂。然而,贫寒的家境使我无法住校上课,我只好顶着晨曦和夜幕在崎岖的山道上来回奔波。一天放学后,铺天盖地的雨雪封住了去路,但饥肠如鼓,我只好踩着泥泞往回赶。当跑进家门店,两只鞋里全是泥水,母亲急忙端下刚刚做完晚饭的铁锅,把我那双湿淋淋的布鞋放在灶膛里烘烤。第二天清早,鹅毛大雪仍在纷纷扬扬,当我端锅取鞋时,鞋已不复存在,只有化为灰烬的鞋子的模样。正在我难过流泪之时,即将要出嫁的姐姐拿出了她心爱的一双红条绒鞋让我穿上去上学。红色的条绒鞋在那白色的世界里分外耀眼。快要走进学校时,我突然意识到这红鞋即将给我带来“灾难性”的羞辱,为避免同学们的讥笑,我将姐姐最喜欢的红条绒鞋埋在了雪地里,赤脚走进了教室。谁知放学后,我在茫茫雪海里双手不停地扒开厚厚的积雪,苦苦地寻觅,最终也未能找到。当我忐忑不安回到家中请求姐姐宽恕时,姐姐反倒平静地说:“人一辈子要丢失很多的东西。只要丢得值得,就不用伤心。”其实,这双鞋在姐姐眼里,犹如芭蕾舞演员珍惜的红舞鞋一样,平日里她自己也轻易不肯穿。
后来,我走出了大山,姐姐也由少女变成孩子的母亲。我们姐弟从此生活在两个不同的环境里。那两条乌黑的辫子和一双红绒鞋却一直在我的记忆中留下了深深的烙印,这么多年来,当时的情形还常常在脑海里闪现。
15.请找出作者概括姐姐形象的一句话写在下面,并说说这句话在文中的作用。
答:
16.回忆姐姐的两件事,以记叙为主,同时采用了描写的方法。前一件事侧重
描写,后一件事侧重 描写。(2分)
17.用简洁的语言概括文中两件事的内容。(2分)
① ②
18.文章的标题和文章的内容,为什么反复强调辫子的“黑” 和绒鞋的“红”?请选择正确的一项。( )(2分)
A.来自作者真实的记忆。
B.用鲜明色彩给读者留下深刻印象,突出姐姐的优秀品质。
C.用鲜明的色彩,象征姐姐美好的形象。
D.辫子本来就是黑的,绒鞋本来就是红的,这是写实的方法。
19.分析结尾划线句子,联系文章的内容,说说是姐姐的什么思想品质使作者
终身难忘?(2分)
答: 。
(二)阅读下面的文章,完成了16―21题(12分)
高科技解决“衣食住行”
在“神舟”五号飞船上,航天员的工作、饮食和睡眠都在轨道舱内进行。那么,航天员在太空的“衣食住行”怎么解决呢?
据了解,航天员身穿的航天服,都是高科技产品,价值不菲。航天服用一种特殊的高强度涤纶做成,重约10
篇9:八年级数学下册期末试卷
北师大版八年级数学下册期末试卷
一、相信你一定能选对!(每小题有且只有一个选项是正确的,请把正确的选项前的序号填在相应的表格内. 本题共有10个小题,每小题3分,共30分)
1.在代数式 , , , , , 中,分式有( )
(A)2个 (B)3个 (C)4个 (D)5个
2.下列各式计算正确的是( )
(A)(B)(C)(D)
3.若分式 的值等于0,则 =( )
(A)2 (B) (C) ±2 (D) 2
4.若反比例函数y=- 4x 的图象经过点(a,-a)则 a 的值为( )
(A)2 (B)-2 (C)±2 (D)±2
5.如图,中,平分 , ,则∠AED=( )
(A) (B) (C) (D)
6.下列命题中,错误的是( )
(A)矩形的对角线互相平分且相等 (B)对角线互相垂直的四边形是菱形
(C)等腰梯形的两条对角线相等 (D)等腰三角形底边上的中点到两腰的距离相等
7.男孩戴维是城里的飞盘冠军,戈里是城里最可恶的踩高跷的人,两人约定一比高低。戴维直立肩高1m,他投飞盘很有力,但需在13m内才有威力;戈里踩高跷时鼻子离地13m,
他的鼻子是他唯一的弱点。戴维需离戈里多远时才能击中对方的鼻子而获胜( )
(A)7m (B)8m (C)6m (D)5m
8.在共有15人参加的演讲加比赛中,参赛选手的成绩各不相同,因此选手要想知道自己是否进入前八名,只需了解自己的成绩以及全部成绩的( )
(A)平均数 (B)众数 (C)中位数 (D)方差
9.下列说法错误的是 ( )
(A) Rt△ABC中AB=3,BC=4,则AC=5.
(B) 极差仅能反映数据的变化范围.
(C) 经过点A(2,3)的双曲线一定经过点B(-3,-2).
(D) 连接菱形各边中点所得的.四边形是矩形.
10.如图,E、F分别是正方形ABCD的边CD、AD上的点,
且CE=DF,AE、BF相交于点O,下列结论①AE=BF;②AE⊥BF;
③AO=OE;④ 中,错误的有( )
(A)1个 (B)2个 (C)3个 (D)4个
二、细心就能填对!(本题共6个小题,每小题3分,共18分)
11.当x 时,分式 2x-13x-1有意义;
12.如果关于x的方程 _________.
13.用科学记数法表示:0.00=_______。
14.如图:在反比例函数 图象上取一点A分别作
AC⊥ 轴,AB⊥ 轴,且 ,那么这个函数解析式为 .
15.小明把一根70 长的木棒放到一个长、宽、高分别为30 、、的木箱中,他能放进去吗?答:____________(选填“能”或“不能”)
16. 如图是一个圆柱形饮料罐,底面半径是5,高是12,上底面
中心有一个小圆孔,则一条到达底部的直吸管在罐内部分 的长
度(罐壁的厚度和小圆孔的大小忽略不计)范围是___________.
三、细心解答就能对!(本题共4个小题,每小题6分,共24分)
17.解方程: 18. (7分)先化简 ,再取一个你认为合理的x值,代入求原式的值.
19.如图,正方形网格中的每个小正方形边长都为1,每个小正方形的顶点叫格点,以格点为顶点分别按下列要求画三角形和平行四边形.
(1)使三角形三边长为3,2 , .
(2)使平行四边形有一锐角为45°,且面积为4.
20.反比例函数y= 与一次函数y=kx+b的
图象交于A(3,2)和B(-2,n)两点,求反比例函数和一次函数的解析式。
四、细心用一用就能对!(本题共2个小题,共14分)
21.(6分)在暴雨到来之前,武警某部承担了一段长150米的河堤加固任务,加固40米后,接到上级抗旱防汛指挥部的指示,要求加快施工进度,为此,该部队在保证施工质量的前提下,投入更多的兵力,每天多加固15米,这样一共用了3天完成了任务.问接到指示后,该部队每天加固河堤多少米?
22.(8分)某校八年级学生开展踢毽子比赛活动,每班派5名学生参加.按团体总分多少排列名次,在规定时间每人踢100个以上(含100个)为优秀,下表是成绩最好的甲班和乙班5名学生的比赛数据(单位:个),经统计发现两班总分相等,此时有学生建议,可通过考查数据中的其他信息作为参考.请你回答下列问题:
1号 2号 3号 4号 5号 总分
甲班 100 98 110 89 103 500
乙班 86 100 98 119 97 500
(1)根据上表提供的数据填写下表:
优秀率 中位数 方差
甲班
乙班
(2)根据以上信息,你认为应该把冠军奖状发给哪一个班级? 简述理由.
五、用心解答就能对!(本题共2个小题,共14分)
23.(6分)已知:如图,在菱形ABCD中,E、F分别是BC、CD的中点。
(1)求证:△ABE≌△ADF
(2)过点C作CG∥EA交AF于H,交AD于G,若∠BAE=25°,∠BCD=130°, 求∠AHC的度数。
24.(8分)如图所示,在直角梯形ABCD中,AD//BC,∠A=90°,AB=12,BC=21,AD=16。动点P从点B出发,沿射线BC的方向以每秒2个单位长的速度运动,动点Q同时从点A出发,在线段AD上以每秒1个单位长的速度向点D运动,当其中一个动点到达端点时另一个动点也随之停止运动。设运动的时间为t(秒)。
(1)设△DPQ的面积为S,求S与t之间的函数关系式;
(2)当t为何值时,四边形PCDQ是平行四边形?
(3)分别求出出当t为何值时,① PD=PQ,② DQ=PQ ?
篇10:八年级英语期末试卷
二、选择题(20’)
( )21.We all believe _______,because she is ______honest girl.
A. the words she says; a B. what she says; an
C. what does she say; a D. she says what; an
( )22.Max often ______our books and pens ______the floor, when he ______our desks.
A. knocks, onto; walks past B. knock, onto; walks passed
C. knocks, off; walks past D. knocks, off; walks passed
( )23.He left home ______a cold morning, and I heard that he was coming back _____ the late afternoon.
A. in; on B. on; on C. in; in D. on; in
( )24.—I’m going on a trip to Beijing.
—_________!
A. It’s nice of you B. Have a good time
C. OK. That’s all right D. Congratulations
( )25. —Could I _______a book from you?
—Of course. And you mustn’t_______ it to others.
A. borrow; lend B. lend; borrow C. keep; lend D. borrow; keep
( )26.Tom______half an hour doing his homework and listening to pop music ______him 20 minutes.
A. costs; spends B. spends; take C. takes; costs D. spends; takes
( )27.What exactly does the sign _______?
A. stand for B. stood for C. stand up D. stood up
( )28.Please_______the painting on the wall and _______the washing machine later.
A. put up; put in B. put out; put in C. put in; put up D. put up; put down
( )29.Bees always remember ________back the same way _______they went.
A. coming; from B. coming; as C. to come; as D. to come ;from
( )30. —____________?
—It was sunny and windy.
A. What was the weather B. What was the weather like
C. How was the temperature D. What was the temperature
( )31.______nature reserves _______us learn more about protecting animals.
A. Studying ; help B. Studies ; helps C. To study; helping D. Studying; helps
( )32.Good hotels can provide us _______hot water even at night. And it can also provide food ______us any time.
A. for; for B. with; with C. with; for D. for; with
( )33._______animals are in danger and there will be _______space for them if we do nothing for them.
A. More and more; less and less B. Less and less; more and more
C. Fewer and fewer; more and more D. More and more; more and more
( )34.______useful advice we had in the meeting last week!
A. What a B. What C. How a D. How
( )35.The sentence structure of “Eddie is watching Hobo work”.
A.S+V+O B.S+V+P
C.S+V+IO+DO D. S+V+DO+OC
( )36.Not only you but also Mary ______to ______after-school activities.
A. hope; join B. hopes; join
C. hope; take part in D. hopes; take part in
( )37.On our way home, our bikes______, so we had to walk home.
A. is broken B. was broke C. broke down D. breaks down
( )38.The earthquake hurt ______people and more than 35000 got badly hurt.
A. thousands B. two thousands C. thousands of D. thousand of
( )39.There are pieces of glass and bricks on the road.
Would you please _______with me?
A. move it away B. to move it away
C. move them away D. to move them away
( )40.—_____anyone hurt in the big fire?
—No, everybody was OK.
A. Does B. Was C. Did D. Do
三、完形填空(15’)
A man with a green bag walked into a doctor’s room. “Please sit down. Open your mouth and 41 your tongue(舌头),”the doctor said, “OK. You can 42 your mouth now. It’s clear something is 43 with you. You have to do more exercise.”
“But, doctor,” the man said. “I don’t think…”
“Don’t tell me what you 44 ,” the doctor said. “I am the doctor, not you. I know 45 you need. I see hundreds of people like you. None of them get any exercise. They 46 in offices all day and in front of the television in the 47 .What you need is to walk quickly for at least 30 48 a day.”
“Doctor, you don’t understand,” the man said. “I…”
“I don’t want to hear any 49 ” the doctor said. “You must find time for exercise. If you don’t, you will get 50 and have health problems when you are older.”
“But I walk every day.” the man said.
“Oh, yes, and I know what kind of walking that is. You 51 a few meters to the train station from your house, a few more meters from the station to your office, and a few more meters from your office to a 52 for lunch and back.”
“Please listen to me, doctor!” the man shouted, getting 53 .
“I’m a mailman.” the man continued, “I walk for seven hours every day and I come to 54 letters.”
For a moment, the doctor said nothing, and 55 he said slowly, “Put your tongue out again, will you?”
( )41.A. put on B. put out C. put away D. put off
( )42.A. open B. close C. fill D. try
( )43.A. wrong B. strange C. nice D. exciting
( )44.A. discuss B. talk C. think D. meet
( )45.A. how B. why C. where D. what
( )46.A. eat B. stand C. run D. sit
( )47.A. evening B. afternoon C. noon D. morning
( )48.A. seconds B. minutes C. hours D. days
( )49.A. news B. advices C. excuses(借口) D. messages
( )50.A.thin B. healthy C. fat D. strong
( )51.A. walk B. drive C. run D. fly
( )52.A. office B. school C. restaurant D. factory
( )53.A. sad B. excited C. surprised D. angry
( )54.A. get B. send C. bring D. have
( )55.A. or B. so C. but D. then
四、阅读理解(40’)
【 A 】
56. New York Museum is closed on .
A. Monday B. Friday C. Saturday D. Sunday
57.Tommy is an 8-year-old boy.He wants to visit The City Flower Show with his parents.How much will they pay?
A. 125yuan B. 100 yuan C. 75 yuan D. 150 yuan
58. If you want to get more information about English Summer Camp, you can .
A. go to Canada B. write to CEE/CCIEE
C. call at (010) 66062607 D. send an e-mail to University of Toronto
59. will give performances in Pop Music Week in Chaoyang Park.
A. Bands B. Dancers C. Singers D. Both A and C
60. Phillip,twenty years old, is not allowed to .
A.The City Flower Show B. English Summer Camp
C. New York Museum D.Pop Music Week
【 B 】
It is not a good idea for children to have to work hard. Children should study in school as hard as they can. They should not have to do heavy work with their bodies. When parents or others force(强迫)their children to work hard, the results are never good. Many may be very bad. If a farmer makes his son work like a man, he may easily learn to hate farming.
Children sometimes do too much in gardens, in shops, or even in their own homes. They soon begin to hate such work with a force, because that can destroy their happiness. But there may be a worse loss, child’s love for its parents. The feeling may become something different. When that happens, the old kind of love never returns.
( )61.It is not a good idea for _______to have to work hard.
A. men B. women C. children D. boys
( )62.Children should study in school _______.
A. hard B. easy C. happy D. early
( )63.Children should not have to do _______work with their bodies.
A. easy B. good C. heavily D. heavy
( )64.The writer thinks children should study and play _______. w W w .x K b 1.c o M
A. hard B. happily C. heavily D. happy
( )65.The writer thinks children’s parents or others don’t force their _______to work hard.
A. sisters B. brothers C. children D. uncles
【 C 】
Little Mike’s grandma died weeks ago. He missed her very much. One afternoon Mike went to the city park where his grandma used to go. There he saw an old lady. She looked very kind. She was sitting there, watching pigeons(鸽子).Little Mike went up and sat next to her. He took out his food and drinks and gave some to her. She smiled at him. Her smile was so sweet that Mike wanted to see it again. She seemed to understand him, so once again she smiled. Mike was very glad.
They sat there all the afternoon, eating and talking. As it grew dark, Mike got up to leave. Before he left, he hugged the old lady and she gave her sweetest smile.
When Mike got home, his mother was surprised by the look of joy on his face. “I met a granny in the park. Her smile was like the kind of smile I had seen on grandma’s face.”
The old lady also returned to her home happily. She told her son that she had food and drinks with a little boy. “He was as lovely as Brittany.” She said. Her son was surprised, because he had never seen her so happy since Brittany, her grandson, died weeks ago.
( )66. Little Mike went to the park and ________.
A. played with pigeons B. fed pigeons
C. met an old lady D. saw a friend of his grandma’s
( )67.The old lady’s smile showed that _______.
A. he had hoped to meet the boy B. she wanted to get some drinks
C. she missed her grandson D. she liked the little boy
( )68.Mike felt very glad because_______.
A. he gave the granny food and drinks B. the old lady was as kind as his grandma
C. he had seen his grandma D. she liked the little boy
( )69.Mike and the old lady________.
A. were good to each other B. knew each other well
C. often met in the park D. did nothing that afternoon
( )70.What can we learn from the story?
A. When one feels unhappy, he must go to a park
B. Old people are always kind and happy
C. Children and old people should get on well with each other
D. When people are kind to each other, they will feel happy
【 D 】
Bob Harris was a weatherman at a small television station. He worked for twenty years and during those twenty years, he felt that his life was boring. Every day, he studied the weather and tried to predict(预报)the next day’s weather. Then, he stood in front of the camera and read his report. Some days it was cloudy, some days it was sunny; sometimes rainy, while sometimes snowy. The weather changed each day, but Bob still felt that his job was always the same. His boss often told him to be happier and smile more in front of the camera, but Bob rarely smiled. He thought that most people did not watch his weather report and his job did not matter much to anyone. One day, he arrived at work and began to study the weather as usual. He noticed that something was different that day.
Everything he studied told him that there was going to be a very big storm very soon, though he was not completely sure. Suddenly, Bob felt excited. He ran to his boss’s office and asked to do a special weather report. The boss agreed and Bob gave a special report that afternoon, warning people of the coming storm. Because of this report, many people were safe during the storm.
Bob realized(意识到) that his job was actually very important.
( )71.Why did Bob feel that his life was boring?
A. Because the weather changed each day.
B. Because he did not want to work for a small television station.
C. Because he did not like to stand in front of the camera.
D. Because he felt that his job was always the same.
( )72.Why did Bob rarely smile when he was in front of the camera?
A. Because he thought that his job did not matter much to anyone.
B. Because he only worked for a small televison station.
C. Because he did not like his boss.
D. Because the weather report was boring.
( )73.Why did Bob ask to do a special weather report?
A. Because he felt excited.
B. Because he wanted to warn people of the coming storm.
C. Because he realized that his job was actually very important.
D. Because he wanted to smile in front of the camera.
( )74.Why did Bob feel excited?
A. Because he wanted to do a special weather report.
B. Because he wanted to ask his boss for more money.
C. Because he knew there was going to be a big storm soon.
D. Because he was going to stand in front of the camera.
( )75.How did Bob realize that his job was actually very important?
A. People were safe from the storm because of his weather report.
B. He got better pay after he did the weather report.
C. People liked him very much.
D. He did a special report every day.
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