Unit3+Computers+单元练测人教版必修2.docx

1、Unit3+Computers+单元练测人教版必修2Unit 3 Computers单元练测卷（一）（时间：90分钟 满分：120分）. 单项填空（共15小题；每小题1分, 满分15分）1. While there are some differences in the educational systems in many countries in the world, education is _. A. regular B. universalC. logical D. normal2. _many other women, she was really lucky.A. Compari

2、ng to B. Compared toC. Compare to D. To be compared3. Perhaps Im not quite fit for the job, but_ please let me have a try. A. in fact B. anyhowC. so D. otherwise4. In_, he began to learn Russian, when he was in _. A. 1970; the 50s B. the 1970; his 50sC. the 1970s; his fifties D. 1970s; his fifties5.

3、 He tried to go away without being noticed by the teacher, but luck _ him. A. went with B. went againstC. went along D. went over6. His _ expression suggested that he _ good news. A. excited; have B. exciting; hadC. excited; had D. exciting; have7. _, you will get used to the life here and have your

4、 understanding of life. A. As time going by B. With time passing outC. As time goes by D. With time goes by8. _ the help of the teacher, the student who wasnt good at math _ the difficult problem quickly. A. Under; worked out B. With; worked onC. Under; solved D. With; solved9. The policeman _ the c

5、hildren to cross the road when the traffic lights turned green. A. let B. madeC. signaled D. called10. Nowadays, no single country can successfully _ the global problems alone. A. make use of B. deal withC. come up with D. go through11. He proved himself a true gentleman and the beauty of his_ was s

6、een at its best when he worked with others. A. advantage B. appearanceC. qualification D. character12. Happy birthday, Jane! So you have_twenty already. A. became B. turned C. grown D. passed13. Being able to speak another language fluently is a great _ when you are looking for a job. A. assistance

7、B. chance C. advantage D. importance14. The new story is written in _ easy English _ even beginners can understand it. A. such; that B. so; that C. such; as D. too; that15. People may have different opinions about Karen, but I admire her. _, she is a great musician. A. After all B. As a result C. In

8、 other words D. As usual. 完形填空（共20小题；每小题1分, 满分20分）I once had a teacher whose husband died suddenly of heart attack. About a week after his death, she _16_ some of her thoughts with a classroom of students. As the late afternoon sunlight shone _17_ the classroom windows, and when the class was nearly

9、 over, she _18_ a few things aside on the edge of her desk and sat down. With a _19_ look on her face, she paused and said, “_20_ class is over, Id like to share with all of you a deep _21_ which I feel is very important. Each of us is put here on _22_ to learn, share, love, appreciate and give of o

10、urselves. _23_ of us knows when this fantastic experience will_24_. It can be taken away at any moment. Perhaps this is the Gods _25_ of telling us that we must make the _26_ of every single day. ”Her eyes were beginning to _27_, but she went on, “So I would like you all to make me a _28_: From now

11、on, on your way to school, or on your way home, find something beautiful to _29_. It doesnt have to be something you see. It could be a _30_ of freshly baked bread floating out of someones house, or it could be the sound of the soft _31_ rustling（使发出沙沙声）the leaves in the treesPlease look for these t

12、hings, and _32_ them, for at anytime they can all be taken away”The class was completely _33_. We all picked up our books and went out of the room silently. That _34_, I observed many more beautiful things on my way home from school than usual. Remember: Life is not _35_by the number of breaths we t

13、ake, but by the moments that take our breath away. 16. A. learned B. shared C. argued D. discussed17. A. onto B. into C. across D. through18. A. moved B. brushed C. swept D. pulled19. A. surprised B. worried C. gentle D. strange20. A. After B. Unless C. Before D. If21. A. feeling B. understanding C.

14、 love D. memory22. A. business B. time C. duty D. earth23. A. None B. All C. Each D. Neither24. A. happen B. begin C. end D. gain25. A. way B. signal C. plan D. arrangement26. A. least B. worst C. lowest D. most27. A. ache B. water C. shine D. dry28. A. promise B. choice C. wish D. rule29. A. buy B.

15、 enjoy C. take D. learn30. A. smell B. gift C. taste D. sight31. A. wind B. hand C. light D. color32. A. get B. appreciate C. hide D. follow33. A. puzzled B. excited C. quiet D. anxious34. A. morning B. night C. noon D. afternoon35. A. wasted B. measured C. saved D. lost. 阅读理解（共20小题；每小题2.5分, 满分50分）A

16、Caught Twittering or on Facebook at work? Itll make you a better employee（雇员）. An Australian study shows that surfing the Internet for fun during office hours increases productivity. The University of Melbourne study showed that people who use the Internet for personal reasons at work are about 9 pe

17、rcent more productive than those who do not. Study author Brent Coker, from the department of management and marketing, said, “Workplace Internet leisure browsing（工作时的网络休闲）, or WILB, helped to sharpen workers concentration（集中员工注意力）. ”“People need to zone out for a bit to get back their concentration

18、, ” Coker said on the universitys website（www. unimelb, edu. au/). “Short breaks, such as quick surf of the Internet, enable the mind to rest itself, leading to a higher total net concentration for a days work, and as a result, increased productivity, ”he said. According to the study of 300 workers,

19、 70 percent of people who use the Internet at work engage in WILB. Among the most popular WILB activities are searching for information about products, reading online news, playing online games and watching videos on YouTube. “Firms spend millions on software to block their employees from watching v

20、ideos, using social networking sites or shopping online under the pretence that it costs millions in lost productivity, ” said Coker. “Thats not always the case. ”However, Coker said the study looked at people who browsed in moderation（适度浏览）, or were on the Internet for less than 20 percent of their

21、 total time in the office. “Those who behave with Internet addiction(瘾）tendencies will have a lower productivity than those without, ”he said. 36. What does the passage mainly tell us?A. What we should do with our leisure time. B. How to surf the Internet for fun during office hours. C. Why we shoul

22、d surf the Internet for fun during office hours. D. Surfing the Internet for fun during office hours can increase productivity. 37. Why can surfing the Internet for fun during office hours increase productivity?A. Workers are tired of work and want to rest. B. Workers can learn some work skills on t

23、he Internet. C. It makes people relax and have enough energy to do a days work. D. It contributes to improving the relations between bosses and workers. 38. All the following statements are true EXCEPT. A. the research was made by the University of MelbourneB. most firms allow their employees to use

24、 the Internet for fun during office hoursC. most people who receive the research surf the Internet for funD. popular WILB activities are watching videos, shopping online and so on39. From the passage we can know that . A. the workers engaged in WILB arent fit for their work B. Brent Coker is a succe

25、ssful boss who can accept the research results C. surfing the Internet long hours for fun wont contribute to increasing productivityD. the more time you spend on the Internet, the higher productivity you can get40. Which section of a newspaper do you think the passage is taken from?A. Work and life.

26、 B. Health and diet. C. Advertisements. D. Science and technology. B“In only six days I lost seven pounds of weight. ” “Two full inches in the first three days!”These are the kinds of statements used in magazine, newspaper, radio and television ads, promising new shapes and new looks to those who bu

27、y the medicine or the device. The promoters of products say they can shape the legs, slim the face, smooth wrinkles, or in some other way to add to beauty or desirability. Often such products are nothing more than moneymaking things for their promoters. The results they produce are questionable, and

28、 some are dangerous to health. To understand how these products can be legallypromoted to the public, it is necessary to understand something of the laws covering their regulation. If the product is a drug, FDA (Food and Drug Administration）can require proof (证明）under the Food, Drug, and Cosmetic Ac

29、t that is safe and effective before it is put on the market. But if the product is a device, FDA has no authority to require premarketing proof of safety or effectiveness. If a product already on the market is a danger to health, FDA can request the producer or distributor to remove it from the mark

30、et voluntarily, or it can take legal action, including seizure（查封）of the product. One notable case a few years ago involved an electrical device called the Relaxacisor, which had been sold for reducing the waistline. The Relaxacisor produced electrical shocks to the body through contact pads. FDA to

31、ok legal action against the distributor to stop the sale of the device on the grounds that it was dangerous to health and life. Obviously, most of the devices on the market have never been the subject of court proceedings（法律诉讼）, and new devices appear continually. Before buying, it is up to the consumer to judge the safety or effectiveness of such items. 41. It can be inferred that the ads mentioned in the text are .A. objective B. costlyC. unreliable D. illegal42. Which of the following is TRUE according to the text?A.