【冀教版】九年级：Unit5 Look into Science单元练习含答案

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1、 精品资料Unit5 Look into Science单元练习 一、单项选择 1.Father wont allow me to play outside I wash up the dishes.A. if notB. ifC. unlessD. because 2.Can you it? I didnt follow you just now.A. repeatB. rememberC. replyD. report 3.- Oh no! What can I do with my computer?- Press Enter and follow the on-screen(屏幕) .

2、A. collectionB. instructionsC. educationD. questions 4.I suggest next week.A. go mountain climbingB. will go mountain climbingC. to go mountain climbingD. going mountain climbing 5.This group is of seven men.A. madeB. made upC. help withD. connect with 6. the kid has no parents, his grandparents loo

3、k after him well.A. As though; /B. As though; butC. Even though; /D. Even though; but 7.If you the book, youll find something surprising.A. turn downB. turn onC. turn offD. turn over 8.Betty went to the museum and saw many pictures were drawn by a famous person.A. thatB. whoC. whatD. whom 9.Ill reme

4、mber the old buildings I visited in the village.A. whereB. whichC. whoD. what10.- I want to find a partner to practice roller skating.- My friend Fred is a person may help you a lot.A. whichB. whoseC. whoD. whom二、完形填空 Technology has made life much easier for children today. It is 11 for them to play

5、, to listen to music, and to 12 in touch with their friends. 13 the help of technology, there seems to be nothing that children cant do now. Technology also helps 14 to know more about their children. For example, if a child is given a mobile phone with a tracking(追踪) device, his parents can find ou

6、t 15 he is going with the help of the mobile phone. However, there are also some bad 16 of technology. For example, it has become easier for bad people to get in touch with children with the help of technology. They can find personal information about children through special ways on the 17 . So it

7、is very important for parents to 18 their children to keep personal information safe while surfing the Internet. Besides this, there is another bad thing about technology. Children now 19 less time doing exercise than before. They are too 20 playing online games. They can even play computer games al

8、l day long. If you dont push them out of the door, they wont volunteer to go out and play. This is not good for their health. Therefore, teaching children the right way to make good use of technology is very important.11.A. easierB. more difficultC. more importantD. harder12.A. loseB. makeC. keepD.

9、contact13.A. ForB. UnderC. WithD. Over14.A. teachersB. friendsC. parentsD. classmates15.A. whenB. whomC. whyD. where16.A. sidesB. placesC. choicesD. winds17.A. phoneB. TVC. radioD. Internet18.A. teachB. learnC. punishD. lend19.A. payB. takeC. costD. spend20.A. lazyB. freeC. busyD. hard-working三、阅读理解

10、A What should you take in with you when you take an exam? Pen, pencil, eraser, ruler, and dont forget a bottle of water! According to a study at the British Psychological( 心理学的) Society Annual Conference held in London, students who bring water into exams may improve their grades by up to 10 percent

11、. Scientists at the University of East London and the University of Westminster, UK, did a study on 447 students. The students were studying for different degrees(学历) at the University of East London. Only 25 percent of them entered the exam hall with something to drink. Scientists then compared the

12、ir exam results with their normal schoolwork grades. They found that all those who had brought drinks with them got better grades by between 2 and 10 percent. It is unclear why drinking water improves exam results. But scientists say having enough water in our bodies and not feeling thirsty could ha

13、ve a helpful effect on our brains. Drinking water may also cut down on anxiety(焦虑), which has a bad effect on exam performances, according to Chris Pawson, PhD, of the University of East London. Whatever the explanation, it is clear that students should try hard to stay hydrated(含水的) with water duri

14、ng exams, he said. So next time, when you are going to have a big exam, try bringing a bottle of water with you. Who knowsit may help you pass the exam!21. How much may the students improve their grades most if they bring water into exams?A. By 2%.B. By 8%.C. By 10%.D. By 25%.22. How many students i

15、n the study got better grades?A. About 112 students who brought drinks or water into their exams.B. All the 447 students who come from the University of East London.C. About 300 students who took part in the study.D. About 10 percent of the students who studied different subjects.23. The underlined

16、phrase cut down on probably means .A. increaseB. bringC. reduceD. change24. According to the passage, how does water help students in exams?a. It is good for their brains.b. It makes students smarter.c. It helps students stay cool.d. It helps students stay awake.A. a bB. a cC. b cD. c d25. Where can

17、 you probably read the article?A. Fashion magazine.B. Text book.C. Travel guide.D. Newspaper.B Have you ever rubbed your hands together when they get cold? Why do we do that? We do that for friction. Friction happens when two things that arent very smooth rub together to make heat energy. The faster

18、 you rub two things together, the more friction (and heat) you can make. Lets discover friction! WHAT YOULL NEED: Soap Water Your hands! WHAT TO DO: Make sure your hands are dirty. Rub your hands together until you feel the heat of your hands. Now, use soap and water to get your hands very slippery(

19、滑的). Try to make friction happen while your hands are slippery. Please write down what has happened. LETS TALK! Friction is an energy that happens when two things tub together. When friction happens, it makes heat! When your hands are slippery, they wont make very much friction and your hands wont g

20、et so hot. DID YOU KNOW? Friction happens when you stop your fast running bike. Ancient people made fires by rubbing two pieces of wood together. Friction happened though they didnt know it. Friction is everywhere. Have you ever noticed situations where friction is happening? If not, ask your parent

21、s to take you out in a car. If it is not hot, touch the tires(轮胎) of the car before and after a short drive to see how much warmer they get from friction.26. This text is most probably .A. a science reportB. a car advertisementC. a rubbing introductionD. a chemistry programme27. Youd better make you

22、r hands to get heat when you rub them.A. slipperyB. dryC. wetD. smooth28. What does the word friction in this text mean in Chinese?A. 摩擦B. 冷却C. 膨胀D. 震动29. is not an example of friction.A. Bike ridingB. Car drivingC. Hands rubbingD. Friction discovering30. Whats the last column(栏目)?A. THINK IT OVER!B

23、. WHAT HAPPENED?C. EVERYDAY ACTIOND. WORK WITH PARENTSC We often praise the world of science. It explains the world and makes our lives easier with technology. One of the most exciting fields in science is artificial intelligence (人工智能,AI). This is an area where scientists are working on creating ma

24、chines that think like humans. However, one of the most famous scientists has a very dark warning for us about this type of technology. The development of full artificial intelligence could spell the end of the human race, said Professor Stephen Hawking to the BBC. Hawking is a well-known British ph

25、ysicist and author of bestselling science book A Brief History of Time. This warning came after commenting(评论) the technology he uses to speak with. As Hawking has got a serious disease called ALS, he needs an AI computer to communicate. The computer learns how Hawking thinks and suggests the words

26、he may want to use next. This is a basic type of AI, which is very useful, yet Hawking fears the possibility of creating technology that can match or surpass human intelligence. And its easy to imagine how terrible things may be. Many TV shows and films show big, killer machines that are far clevere

27、r than us. Humans, who are limited(限制) by slow biological evolution(进化), couldnt compete, said Hawking. But not every scientist is pessimistic(悲观的) about AI technology. I believe we will be in control of the technology for a long time, said Rollo Carpenter, creator of Cleverbot in the UK, which is a

28、 software program that remembers past conversations, The advantages of it to solve many of the world problems will be realized. In what direction do you think AI is heading? Should we be hopeful or fearful?31. Which of the following is TRUE about AI?A. It makes our lives easier.B. The technology is

29、not very popular now.C. Scientists havent controlled the technology.32. The writer took Hawking as an example to .A. explain how AI has helped usB. show AI has already become part of our lifeC. suggest that AI might become dangerous for humans33. What does the underlined word surpass mean in the pas

30、sage?A. 象征B. 促进C. 超越34. We can know from the last paragraph that .A. Rollo agrees with HawkingB. Rollo is a British creatorC. Rollo invented Cleverbot in the US35. Which of the following can be a suitable title for this article?A. AI: A Friend or an EnemyB. The Future of Human BeingsC. The Fight Bet

31、ween Humans and AID DNA is the whole map of the human body. It is something that all humans have, and it tells the body what to do. DNA is the reason that we look like our parents, because we get some of their DNA to make our own. People have been trying to understand the human body for a long time.

32、 In I860, Mr Mendel discovered why we look the same as other people in our family. It is because of small things called genes(基因) in our body. In 1953, two scientists, Watson and Crick, found out that those small parts are really messages. Theyre written in the DNA with a special language. In 1961,

33、another two scientists found the first word that they could understand in that language. It shows how DNA tells the cell(细胞) to build its parts, the words in the DNA map, but we still do not understand what they all do. By understanding what just one word means, we can help to save people from sever

34、al illnesses. So the more we understand, the more doctors will be able to do. Most people hope that this will help to make better medicine and help sick people: Other people worry that when we can more words and find out more information, we will use it in the wrong way, just to make people more att

35、ractive(有吸引力的), or stop sick people getting jobs.36. When did Mr Mendel discover why we look the same as other people in our family?A. In 2000.B. In 1961.C. In 1953.D. In 1860.37. What did the two scientists find in 1961? They found .A. all the words in the DNA mapB. small things called genes in our

36、 bodyC. the first word they could understand in that languageD. those small parts arc written in the DNA with a special language38. How can we help sick people if we understand more words in the DNA map?A. Make better medicine.B. Make them get jobs.C. Make maps for them.D. Make them attractive.39. W

37、hich one is not true according to the article?A. We look like our parents because of genes in our body.B. We have understood what all the words in the DNA map do.C. DNA is the whole map” of the human body.D. DNA tells the cell to build its parts.40. What do people think about this research about DNA

38、?A. It can be only bad.B. It can be only good.C. It can be good but wont work.D. It can be good and bad.四、单词拼写(单句首字母填空) 41. “C your mistakes, and youre still a good boy,” Mrs. Li said to Jack.42. There are so many English learning m . You should choose the one that suits you best.43. Im ten and she

39、is twenty. So her age is d mine.44. - How was your summer vacation?- It was f . I had a good time in Beijing.45. The d of Columbus was quite an event in the world.五、单词拼写(根据中文提示拼写单词) 46. The ship was helpless against the (力量) of the storm.47. Your white blouse (与相配) your black trousers very well.48.

40、- Can I have some cakes?- (当然可以).49. Mr. Wang has a lovely (孙子).50. He devoted himself to the (发展) of his research.六、翻译(根据中文提示完成句子) 51. (一般而言), American families often give a party at home.52. 在日本当你去拜访朋友时，进门之前要脱掉鞋子。（词数不限）When you visit a friend in Japan, you should your shoes before entering his hom

41、e.53. 他回家前为了买那些书籍已用光了所有的钱。Before he came home, he all his money to buy those books.54. He sleeps (白天期间), but (在晚上) he gets up and eats leaves.55. 汤姆的作文除了几处拼写错误之外，是非常好的。 Toms composition is excellent some spelling mistakes.56. 孩子们的疾病和不健康的食物有关。The childrens illness unhealthy food.57. 太空中有数十亿的行星。There

42、are planets in space.58. 休喜欢能使她愉快的音乐家。Sue likes musicians her happy.59. 在绿色学校，每个班收集可回收利用的废物。At a green school, every class collects waste can be recycled or used again.60. - Do you know the boy (被那个大学生救起的)?- Yes, hes my classmate. (who)七、适当形式填空(单句适当形式) 61. These (discover) attracted many famous scie

43、ntists in the world.62. With the (develop) of technology, the journey to Mars might only take about 20 minutes in spacecraft in the future.63. Young couples like to search the Internet for some (suggest) on how to name their babies.64. He used the (science) method to achieve his dream.65. We dont wa

44、nt to put (press) on you to make a decision, but we havent much time left.八、补全对话(选择) Lana went to see a new movie in the morning. But she didnt enjoy it. Shes talking to Jenny about what happened.Jenny: You look unhappy. 66. Lana: I watched a movie in the morning.Jenny: 67. Lana: No. The movie was g

45、reat. It was the audience(观众). Some people were late for the movie, some took phone calls during the movie, some made noise while eating snacks and some talked loudly. 68. Jenny: Thats too bad! People should obey certain rules while watching a movie.Lana: Yes. The first thing is to keep the theater

46、quiet. We should sit down before the movie begins. 69. We should eat snacks quietly. And we should talk as little as possible.Jenny: 70. And we should take away our rubbish when we leave.Lana: I hope everyone should do these things so that we can enjoy the movie better.Jenny: Me too.A. I was annoyed

47、 all the time.B. Who did you go to the movie with?C. Yes, you are right.D. How wonderful the movie was!E. Whats wrong with you?F. We should turn off our mobile phones.G. So the movie was boring, wasnt it?答案一、单项选择 1. C 2. A 3. B 4. D 5. B 6. C 7. D 8. A 9. B10. C二、完形填空11. A12. C13. C14. C15. D16. A17

48、. D18. A19. D20. C三、阅读理解21. C22. A23. C24. B25. D26. A27. B28. A29. D30. D31. A32. C33. C34. B35. A36. D37. C38. A39. B40. D四、单词拼写(单句首字母填空)41. Correct42. methods43. double44. fantastic45. discovery五、单词拼写(根据中文提示拼写单词)46. force47. matches48. Certainly49. grandson50. development六、翻译(根据中文提示完成句子)51. In ge

49、neral52. take off53. had used up54. in the daytime; at night55. except for56. is related to57. billions of58. who make59. which60. who was saved by the college(university) student七、适当形式填空(单句适当形式)61. discoveries62. development63. suggestions64. scientific65. pressure八、补全对话(选择)66. E67. G68. A69. F70. C最新精品英语资料