八年级期末考试及答案 八年级期末考试及答案数学

八年级下册数学期末试卷含答案

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八年级期末考试及答案 八年级期末考试及答案数学

一、选择题(在下列各小题中只有一个正确答案，请将正确答案的字母代号填入答题纸的相应位置，每小题3分，共60分。)

1.两个边数相同的多边形相似应具备的条件是( )

A.对应角相等 B.对应边相等

C.对应角相等，对应边相等 D.对应角相等，对应边成比例

2.下列运算错误的是( )

A. × = B. =

C. + = D. =1-

3.在钝角△ABC中，∠A=30°,则tanA的值是( )

A. B. C. D. 无法确定

4、老师对小明本学期的5次数学测试成绩进行统计分析，判断小明的数学成绩是否稳定，老师需要知道小明这5次数学成绩的( )

A、平均数 B、方 C、众数 D、频数

5.在△ABC，P为AB上一点，连结CP，以下各条件中不能判定△ACP∽△ABC的是( )

A.∠ACP=∠B B.∠APC=∠ACB C. ACAP=ABAC

D. ACAB=CPBC

6.在△ABC和△AˊBˊCˊ中, AB=AˊBˊ, ∠B=∠Bˊ, 补充条件后仍不一定能保证△ABC≌△AˊBˊCˊ, 则补充的这个条件是 ( )

A.BC=BˊCˊ B.∠A=∠Aˊ C.AC=AˊCˊ

D.∠C=∠Cˊ

7. 使

有意义的 的取值范围是 ( )

A. B. C. 且 D.

8点D在△ABC的边AB上，连接CD，下列

条件：○1 ○2

○3 ○4 ,其中能

判定 △ACD∽△ABC的共有( )

A 1个 B 2个 C 3个 D 4个

9.下列代数式中，x能取一切实数的是( )

A. B. C. D.

10.在△ABC中，已知∠C=90°，sinB= ，则tanA的值是( )

A. B. C. D.

11. 在△ABC中，DE垂直平分AB，FG垂直平分AC，BC=13cm，则△AEG的周长为( )

A.6.5cm B.13cm C.26cm D.15cm

12、若一组数据1，2，3，x的极是6，则x的值是( )

A、7 B、8 C、9 D、7或-3

13、有下列命题(1)两条直线被第三条直线所截 同位角相等

(2)对应角相等的两个三角形全等

(3)直角三角形的两个锐角互余

(4)相等的角是对顶角

(5)如果∠1=∠2，∠2=∠3，那么∠1=∠3其中正确的有( )

A、2个 B、3个 C、4个 D、5个

14、在同一时刻，身高1.6米的小强在阳光下的影长为0.8米，一棵大树的影长为4.8米，则树的高度为( )

A 4.8米 B 6.4米 C 9.6米 D 10米

15.若α是锐角，sinα=cos50°，则α等于( )

A.20° B.30° C.40° D.50°

16.直角三角形纸片的两直角边长分别为6，8，现将 那样折叠，使点 与点 重合，折痕为 ，则 的值是( )

A. B. C. D.

17、样本方的作用是 ( )

A、样本数据的多少 B、样本数据的平均水平

C、样本数据在各个范围中所占比例大小 D、样本数据的波动程度

18、下列各组根式中，与 是同类二次根式的是( )

A. B. C. D.

19、由三角形内角和定理可以推出，三角形的三个角中至少有一个角不大于( ) A、 B、 C、 D、

20、在△ABC中,若DE∥BC, = ,DE=4cm,则BC的长为( )

A.8cm B.12cm C.11cm D.10cm

二、填空题

21.在平地上种植树木时，要求株距(相邻两树间的水平距离)为4m.如果在坡度为0.75的山坡上种树，也要求株距为4m，那么相邻两树间的坡面距离为 .

22.在二次根式 中字母x的取值范围为 .

23. 一组数据35，35，36，36，37，38，38，38，39，40的极是 。

24、点D,E分别在线段AB，AC上，BE,CD相交于点O，AE=AD,要使△ABE≌△ACD,需要添加一个条件是________________(只写一个条件)

二、填空题(请将答案填写在下面答题纸的相应位置，每小题3分，共12分。)、

21、_______________ 22 、________________

23、_______________ 24、 ________________

三、解答题(本大题共5个小题，满分48分.请按要求将必要的解答过程呈现在答题纸的相应位置.)

25.化简下列各题(每小题4分，共8分)

(1)

26.两个大小不同的等腰直角三角形三角板如图1所示，

图2是由它抽象出的几何图形， 、 、 在同一条直线上，连结 .请你找出图中的全等三角形，并给予证明.(说明：结论中不得含有未标识的字母)(满分10分)

27. 2、小明和小兵参加体育项目训练，近期的8次测试成绩(单位：分)如下表：(满分10分)

测试 第1次 第2次 第3次 第4次 第5次 第6次 第7次 第8次

小明 10 10 11 10 16 14 16 17

小兵 11 13 13 12 14 13 15 13

(1)根据上表提供的数据填写下表：

平均数 众 数 中位数 方

小 明 10 8.25

小 兵 13 13

(2)若从中选一人参加中学生运动会，你认为选谁合适呢?请说明理由。

28.AB和CD是同一地面上的两座相距36米的楼房,在楼AB的楼顶A点测得楼CD的楼顶C的仰角为450，楼底D的俯角为300，求楼CD的高?

(结果保留根号) (满分10分)

29、E是□ABCD的边BA延长线上一点，连接EC，

交AD于F.在不添加辅助线的情况下，请找出图中的一

对相似三角形，并说明理由.(满分10分)

DDCBDBDDABDACCDDAB

21 5m 22≤ 23 5 24略 25 ，,26略 27略 28 32(1+ ) 29略

八年级英语期末测试试题及答案？

八年级同学们要想英语期末考高分，考前就要多做英语期末试题的练习，熟记英语语法知识和常见英语单词。以下是我给你的八年级英语期末试题及答案，希望对你有帮助!

八年级英语期末测试试题

第一部分 选择题共80分

一、听力共二节，计20分

一.听句子，根据所听内容选择佳应答语。句子读一遍。每小题1分，共5分

1. A. For about five years. B. No, I don’t. C. About once a month.

2. A. I don’t he a house. B. No, I can’t afford 担负 it.C. It’s big and beautiful.

3. A. Tsinghua University. B. At home. C. In September.

4. A. Star Cinema is better. B. Gold Cinema. C. It’s the nearest.

5. A. The best dancer. B. I think he is the funniest. C. He sang a cute song.

二.听对话，根据所听内容选择佳答案。对话读一遍。每小题1分，共5分

6. How many apples do they need?

A. Two. B. Three. C. Four.

7. How is the girl going to the airport?

A. By bus. B. By bike. C. By taxi.

8. What is the boy going to do?

A. Watch TV. B. Do homework. C. Play basketball.

9. When did Alice start to play the violin?

A. When she was four years old.

B. When she was five years old.

C. When she was six years old.

10. Where is Kitty going for her vacation?

A. Hawaii. B. Zhangjiajie. C. She isn’t sure now.

三.听对话，根据所听内容选择佳答案。对话读两遍。每小题1分，共5分

11. Where are they going for the weekend?

A. To the park. B. To the beach. C. To the aquarium.

12. What activities can they do there?

A. Swimming and walking.

B. Watching shows and enjoying the sun.

C. Swimming, surfing and enjoying the sun.

13. How are they going there?

A. By car. B. By bike. C. By bus.

14. Who is going to make the food?

A. The girl. B. The boy. C. Both A and B.

15. What does the boy like in a sandwich?

A. Tomatoes. B. Lettuce. C. Turkey slices.

四.听短文，根据所听内容选择佳答案。短文读两遍。每小题1分，共5分

16. When did they he the talent show?

A. Last Friday. B. Yesterday. C. The day before yesterday.

17. How many acts were there at the talent show?

A. Twelve. B. Fif. C. Twenty.

18. Who was the best performer?

A. Steve. B. Mark. C. Dennis.

19. What did Mary do at the talent show?

A. She danced beautifully.

B. She sang a beautiful English song.

C. She told a funny story.

20. What prize did Tom and his musical group win?

A. The most creative act. B. The best dancer. C. The loudest singer.

二、语言知识运用共二节，计35分

第一节 单项选择共20小题;每小题1分，满分20分

A从A、B、C、D四个选项中，选出与所给句子划线部分意义相同或相近并能代替的那一项。

21. She could play the violin at the age of four.

A. by 4 years old B. when she is four C. 4-year-old D. when she was four

22. When I go out, please look after my baby.

A. look at B. take care C. look in D. take care of

23. I plan to go to Tibet on my vacation.

A. will B. am going to C. try to D. want to

24. I want to se money and then trel all over the world..

A. around B. round C. over D. on

25. Li Na is a well-known tennis player.

A. know well B. talent C. friendly D. famous

26. ---Thank you for asking me to your party. I had a good time.

---________________________

A. Good job. B. That’s it.

C. That’s right. D. You’re wele.

27. ---How many __________ do we need?

---I think one kilo is enough.

A. apples B. butter C. bread D. turkey

28. --- Father’s Day is ing. I’m going back home to see my father.

---__________.

A. Give my best wishes to him B. It’s very kind of you

C. Say goodbye to him, please D. See you soon

29. ---Amy’s birthday is ing. What ______ do you plan to buy for her?

---A CD. She likes music very much.

A. food B. book C. gift D. clothes

30. ---When ______ you born, Did?

---I ______ born in 1995.

A. was; were B. were; was C. were; were D. was; was

31. ---The foreign visitors ______ visit our school next Monday.

---Next Monday? Then we only he three days to prepare准备 for it.

A. are going B. are going to C. be going D. be going to

32. ---Why don’t you answer my question .Bill?

---____difficult for me to answer.

A. Too B. So C. Such D. Very

33. What hot weather! The temperature must be ______ 30℃.

A. over B. on C. under D. in

34. ---Did you ____ the reading petition last week?

---Yes, I did. And I got first prize.

A. join up B. go to C. hold D. take part in

35. ---What did you do last weekend?

---I ___________ with my friends at the shopping mall.

A. went fishing B. got back

C. hung out D. slept late

36. ---What is Cindy like?

---She is _______. She always tells jokes, and she never stops talking.

A. serious B. quiet C. calm D. outgoing

37. ---___________ did you go to visit your grandparents?

---They live in the countryside. So I went there _____________.

A. What; on the train B. What; by train

C. How; take the train D. How; by train

38. ---Is the H1N1 flu流感 very serious now?

---No, I don’t think so. However, we ___________ need to be careful with it.

A. Also B. neither C. still D. don’t

39. ---Why don’t you want to live in a big city?

---Because the traffic there is much____than that in a all town.

A. bad B. worse C. worst D. badly

40. ---Put the ingredients in the bowl and _________ , please.

A .mix up it B. mix it up C. mix up them D. mix them up

第二节 完形填空共15小题;每小题1分，满分15分

阅读下面短文，从短文后所给的A、B、C、D四个选项中，选出可以填入空白处的佳选项。

We got over 1000 letters, faxes and e-mail from our readers ____41_____ their New Year’s resolutions. Many readers are going to work ____42_____ in school this year than before. Lots of readers are going to play sports. Some readers want to be healthier. So they are going to eat more _____43____. A few readers are going to learn a new language. ____44_____ girls are going to exercise more to keep fit. Some parents are going to study the subjects ___45______ children learn at school. They want to ____46_____ better with their kids. One old lady is going to ____47_____ her job and she wants to find a job ____48_____ a language teacher in China.

What do young people _____49____ about places in town? We also did a survey of our readers and this is what we ____50_____. All the movie theaters are good, but the Screen City is the best in our town. It ____51_____ the biggest screens and the most fortable seats. _____52____, Town Cinema is the cheapest, and it has the friendliest service. The most popular clothing store is Jason’s. It has the best quality clothing. It’s also the cheapest. Funky Fashions is the____53_____. It has really bad service. _____54____ radio stations, most people think that Jazz 107.9FM is really great. It ___55______ the most interesting music.

41.A. in B. at C. about D. under

42.A. hard B. hardest C. the hardest D. harder

43.A. junk food B. vegetables C. meat D. medicine

44.A. A little B. a lot C. some D. Any

45.A. them B. their C. theirs D. they

46.A. play B. tell C. municate D. learn

47.A. lee B. left C. go to D. go

48.A. for B. as C. with D. about

49.A. think B. like C. tell D. do

50.A. see B. saw C. learn D. learned

51.A. had B. has C. is D. was

52.A. But B. However C. And D. If

53.A. best B. most C. worst D. friendliest

54.A. As B. Such as C. As for D. As usual

55.A. listens B. talks C. tells D. plays

三、综合阅读共三节，计30分

A56. What do people want to do at Nancy’s Gym?

A. To enjoy swimming. B. To learn skating. C. To bee thinner.

57. Lucy likes skating. Which ad广告 is she probably 极可能interested in?

A. Ice World. B. Water World. C. Nancy’s Gym.

58. You can call at when you want to swim.

A. 45562233 B. 88682526 C. 21518296

59. You can go to swim in Water World at .

A. 8:00 am B. 9:30 am C. 10:00 pm

60. Which costs the most for an ?

A. Keeping fit at Nancy’s Gym. B. Skating in Ice World.

C. Swimming in Water World.

BHappiness is for everyone. You don't need to care about the rich. Though they he beautiful houses with large gardens and swimming pools, they may often feel lonely孤独的.

In fact, happiness is always around you if you put your heart into it. When you are in trouble at school, your teachers will help you; when you do something wrong, people around you feel unhappy; when you succeed in something, your friends will say congratulations祝贺to you. All these are your happiness. If you notice a bit of them, you can see that happiness is always around you.

Happiness is not the same as money. It is a feeling of your heart. Although you are poor, you can also say you are very happy. Money is not everything. You he something else that money can't buy. When you meet with difficulties, you can loudly say you are very happy because you he more chances to challenge挑战yourself. So you can not always say you are poor and you he bad luck. If you take every chance you get, you can be a happy and lucky person.

61.______may often feel lonely even though they he beautiful houses with large gardens.

A. Teachers B. Parents C. Old people D. Rich people

62. What will your friends say to you when you make great progress进步?

A. Congratulations. B. That's all right.

C. It's very nice of you. D. Not at all.

63. When you he more chances to challenge yourself, you may feel_______.

A. proud B. lonely C. happy D. excited

64. You can make yourself happy by______.

A. making much money B. taking every chance you he

C. owning beautiful big houses D. hing nice cars

65. We can learn from the passage that_______.

A. poor people are always unhappy because they don't he money to buy big houses

B. we can find happiness around us even if we don't he much money

C. no one will help you if you are poor

D. rich people are very proud because they he big houses and nice cars

CThis is part three of our survey about family life. We interviewed two students, Josh Franklin and Alice Gomez, about their weekend chores. They told us about the chores they did last weekend.

On Saturday morning, Josh had two big chores to do. He didn’t like washing the clothes, but he enjoyed cleaning the garage.汽车房“I listened to the radio and sang my forite songs while I worked,”he said.

Alice had to go to the store and buy food for the family on Saturday morning. Her mother usually goes with her, but this time she went alone. “I liked shopping for food. I bought things I liked to eat and my parents paid for it.”

Josh and Alice both liked helping with their parents yard sales. “I liked talking to all the people,” said Josh. Alice said, “My parents ge me part of the money. Now I can buy anything I want.”

Name Likes & Dislikes Why did they like helping with the yard sales?

Josh Like cleaning the garage and dislike washing the _____66______ Could ____67______ to all the people

Alice Like ____68_____ for food and buying things that her ____69_______ pay for them Could _____70_______ part of the money from her parents.

第一节 完成句子共6小题;每小题1分，满分6分

根据句意及括号内的汉语提示完成句子。每空一词

71. The _________三明治 is very easy to make.

72. Tibet is a great place. There are lots of __________游客 going there every year.

73. Mrs. Green is always __________亲切的 to the children.

74. Would you please __________搬走 your bike away?

75. Mr. Wang is more __________严肃的 than other teachers.

76. I don’t want to stay at home the _________整个 winter vacation.

第二节句型转换

77. My sister is going to be an actor. 对划线部分提问

_________ is your sister going to _________?

78. Sandy is leing for Hong Kong next Monday. 对划线部分提问

_________ _________ Sandy _________ for Hong Kong.

79. That pretty girl in the picture is Jolin. 对划线部分提问

_________ _________ that pretty girl in the picture?

80. Bill ate too much ice cream yesterday. 改为一般疑问句

_________ Bill _________ too much ice cream yesterday?

第三节 补全对话共5小题;每小题2分，满分10分

根据语境，用恰当的语言完成对话。

Son: Hey, Dad?

Dad: What’s the matter?

Son: ___________81______________________

Dad: What movie are you going to see?

Son: Avatar阿凡达. It’s really an exciting movie.

Dad: OK. ___________82____________________

Son: I am going to see the movie with Tony.

Dad: _____________83_________________.

Son: I’ll e back at 9 o’clock. The movie is a little long.

Dad: Don’t stay out late. You must get back home before 9:30.

Son: All right. ___________84_______________

Dad: No, I need it. And you are too young to drive a car. But ______________85________________

Son: It’s kind of you to do that. Thank you, Dad.

第四节 书面表达1题，满分10分

每个人都有自己的梦想。你是如何描绘未来蓝图的?你梦想的工作是什么?你梦想居住生活的城市是哪里?你想做的一件事情是什么?请以My Dream 为题写一篇60词左右的作文，描绘自己的梦想，并给出自己想法的理由。

八年级英语期末测试试题答案

1-5 A C C B A 6-10 B C B C A 11-15 B C A A B 16-20 B A C B A

21-25 D D B A D 26-30 D A A C B 31-35B A A D C 36-40 D D C B D 41-45 C D B C B

46-50 C A B A D 51-55 B B C C D 56-60 C A C B B 61-65 D A C B B

66 clothes 67 talk 68 shopping 69 parents 70 get

71 sandwich 72 visitors/tourists 73. kind 74 move 75 serious 76 whole

77 What be 78 When is leing 79 Who is 80 Did eat

81 I am going to see a movie.

82. Who are you going to see with?

83. When are you ing back?/When are you going to e back?

84. Could I use your car? / Could I borrow your car?

85. I can give you a ride.