1、Unit3 Inventors and inventions 单 元 练 习一、听力(听力)（共 20 小题；共 20 分）第一节（共 5 小题；每小题 1.5 分，满分 7.5 分）听下面 5 段对话。每段对话后有一个小题，从题中所给的 A、B、C 三个选项中选出最佳选项。听完每段对话后，你都有 10 秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。1. What does the woman suggest?A. Buying some gifts.B. Seeing a flower show.C. Taking Alice to a garden.2. What is the
2、 man going to do tonight?A. Go to the cinema. B. Attend a meeting. C. Watch TV at home.3. What can we learn from the conversation?A. The woman regrets having taken up so much of the professors time.B. The woman knows the professor has been busy.C. The woman knows the professor has run into trouble.4
3、. Why didnt the man accept the job?A. He doesnt enjoy business trips as much as he used to.B. He thinks the pay is too low to support his family.C. He wants to spend more time with his family.5. Why isnt the man moving to the suburbs?A. The rent is too high.24B. He cant afford the high taxes.XC. Its
4、 too far away from his office.L第二节（共 15 小题；每小题 1.5 分，满分 22.5 分） w听下面 5 段对话或独白。每段对话或独白后有几个小题，从题中所给的 A、B、C 三个选项中选出最佳选项。听每段对话或独白前，你将有时间阅读各个小题，每小题 5 秒钟；听完后，各小题将给出 5 秒钟的作答时间。每段对话或独白读两遍。 I听第 6 段材料，回答第 6、7 题。 o6. What does the man want to do?0A. Learn windsurfing. B. Learn water surfing. C. Learn diving.J7
5、. What isnt the reason given by the woman?WA. It will be easy to learn.sB. It will cost him a lot of money.aC. He may fall over and over.A听第 7 段材料，回答第 8 至 10 题。 A8. What is the relationship between the two speakers?+A. Friends. B. Brother and sister. C. Strangers.o9. Which bus are the speakers waiti
6、ng for?HA. No. 108. B. No. 118. C. No. 180.+10. Where was the man born?6A. In Florida. B. In New York. C. In Hawaii.C听第 8 段材料，回答第 11 至 13 题。 011. What does the woman say about the science book?AA. Its of little value./B. Its in bad condition.QC. Its an old edition.=12. How much will the woman pay th
7、e man?=A. $21. B. $23. C. $ 30.13. Why is the woman unwilling to buy more textbooks?A. She isnt sure what textbooks will be used.B. She hasnt enough money to buy more.C. She doesnt like books marked with notes.听第 9 段材料，回答第 14 至 16 题。14. What has the man been looking for?A. A job. B. A farm. C. An is
8、land.15. Where would the speakers live if they had stayed in Puerto Rico?A. On an island. B. In the mountains. C. In a small town.16. What does the woman suggest in the end?A. Learning Spanish.B. Moving back to Puerto Rico.C. Going to visit the mans uncle and aunt.听第 10 段材料，回答第 17 至 20 题。17. Why was
9、 it remarkable of man to invent the wheel?A. It led to many other inventions.B. There were no wheels in nature.C. It had no use for man then.18. From what may the idea for the invention have come?A. Watching a rolling stone.B. Watching running animals.C. Rolling the body of heavy animals on logs.19.
10、 By whom was the wheel probably invented?A. A group of early hunters.B. The man who made the first cart.C. A great prehistoric thinker.20. What may be the main idea of the talk?A. How the wheel came into being?B. Man has changed the basic design of the wheel.C. Who invented the wheel?二、单词拼写(单句首字母填空)
11、（共 10 小题；共 10 分）21. I dont a (与 关联) him with energetic sports.22. It is f outside, and put on your winter coat.23. Will it be c for you to come here tomorrow?24. P on this farm are popular with the citizens because of their safety and freshness.25. He was always seeking someone to whom he could talk
12、 without c .26. You should s this opportunity. It may never come again.27. He needs a s job, and doesnt want to be out of work soon again.28. There are a lot of people who cant d between certain colors. Those people are said to be color-blind.29. Weve got to be p and buy only what we can afford.30.
13、He is always the first to b great hardship.三、单词拼写(根据中文提示拼写单词)（共 10 小题；共 10 分）31. The ice is too thin to (负担,承受) your weight.32. His performance did not live up to his fathers (期望).33. The first English (专利) for a typewriter was issued in 1714.34. People who cant (区分) colours are considered to be col
14、our-blind.35. Many foreigners who have never been to New York (联系) the city with the Statue of Liberty.36. The man came up to his boss with great (小心,谨慎).37. Its very cold today; the temperature has dropped to (结冰的) point.38. My father always comes up with a (实用的) solution to my problem.39. If you b
15、reak the traffic rules, the police have rights to (抓住) you at once.40. It is very (方便的) to walk to work, for its just about ten minutes walk from my house to the office.四、翻译(根据中文提示完成句子)（共 15 小题；共 30 分）41. 他们开始进行春播准备工作。(词数不限)They making preparations for spring sowing.42. 白天干农活的时候，我总是把羊拴在河边的树上。(keep)W
16、hen I work on the farmland in the daytime, I always to a tree on the riverbank.43. 网上购物价格一般较便宜。Prices of daily goods the Internet are usually lower.44. 他从树上掉下来，左胳膊骨折了。He dropped down from a tree and .45. The machine is (发生故障). I have to have it repaired.(词数不限)46. 决心按时完成这项工作，他们马上着手工作。(set) ( 词数不限)Det
17、ermined to complete the job on time, they immediately.47. 我打不通北京的电话，占线。(get) (词数不限)I cant to Beijing. The line is busy.48. 他一直在潜心研究中国文学史。He has been the history of Chinese literature.49. The man, (被认为是医学专家的), in fact, was a cheat.50. 这张老照片经常勾起我对童年时代的回忆。(call) ( 词数不限 )This old photo often .51. The pe
18、rformance of the host, (旨在) to please the audience and draw their attention, was greeted with a cold silence, however. (intend)52. 早上人们一醒来就发现房屋外边的世界完全变了。(词数不限)In the morning people woke up and found the world outside their houses .53. 你明天开始工作方便吗? （词数不限）Will it be you to start work tomorrow?54. 我们吃的美
19、味饭菜是由烹饪大师们做的。We ate great meals experts.55. 想不到您会同意和我们一起来，我们真是不胜荣幸。(词数不限)We you should agree to join us.五、单项选择（共 20 小题；共 20 分）56. - Have you ?- No. I had the wrong number.A. got in B. got away C. got off D. got through57. The motorcycle competition in the desert, lasted ten days, is over now.A. it B
20、. where C. which D. that58. This film, for kids under 13, is on in the central cinema these days.A. intending B. to intendC. being intended D. intended59. They have a beer together , talking about their separate life, but not often.A. by and by B. now and then C. all the time D. more or less60. She
21、was surprised to see her husband on the floor with his hands tied behind his back.A. sit B. seating C. seated D. seat61. My new house is very for me as I can get to the office in five minutes.A. patient B. suitable C. convenient D. comfortable62. - How lovely these children are!- Yeah. They memories
22、 of my childhood.A. called out B. called for C. called up D. called on63. What the young man cant is that his mum always treats him like a baby.A. support B. undertake C. hold D. bear64. Tom has been away from home for two years, leaving his room with dust.A. to cover B. was covering C. covering D.
23、covered65. They found the remains of buildings under the sand, together with a lot of treasures.A. being buried B. buried C. to be buried D. burying66. - All the money in my pocket was .- How could you finally get back home?- Thats a long story.A. gone B. going C. losing D. missed67. Typing is consi
24、dered by most employers to be a basic .A. contribution B. congratulationC. competence D. command68. When I was little, my mother used to sit by my bed, me stories till I fell asleep.A. having told B. telling C. told D. to tell69. Someone is waiting to use the phone. Id better now.A. ring off B. ring
25、 up C. ring back D. ring70. Nowadays, a healthy life is frequently thought to be with open countryside and home-grown food.A. tied B. joined C. involved D. associated71. In recent years, a series of landmark buildings by international architects have been set up in Beijing.A. to be designed B. desig
26、nedC. designing D. having designed72. The film Life of Pi, by Li An, has attracted the audience for its amazing visual effects.A. being directed B. directedC. having directed D. directing73. Now a minuteyou can not believe what happened just now.A. hang on B. hang back C. hang up D. hang out74. When
27、 everything was ready, the doctor to perform the operation.A. set off B. set out C. set up D. set down75. The bird an unusually big beetle and brought it to its nest.A. filed B. seized C. restored D. struck六、完形填空（共 20 小题；共 30 分）There have been many great inventions, which have changed the way we liv
28、e. The first great invention was 76 that is still very important todaythe wheel(轮子). This made it easier to 77 heavy things and to travel long distances.For hundreds of years after that there were few inventions that have as much 78 as the wheel. Then in the early 1800s the world started to 79 . The
29、re was little unknown land in the world. People did not 80 to explore any more. They began to work so as to 81 life better.In the second half of the 19th century many great inventions were made. 82 them were the camera, the electric light and the radio. These all became a big 83 of our life today.Th
30、e first part of the 20th century saw more great 84 : the helicopter in 1909; movies with sound in 1926; the computer in 1928; and jet planes in 1930. This was also a time 85 a new material was first made. Nylon came 86 in 1935. It changed the 87 of clothes people had been wearing. The middle part of
31、 the 20th century brought new ways to help people get over 88 . They worked very well. They made people healthier and let them live 89 lives. By the 1960s most people could 90 to live at least 60.By this time most people had a very good life. Of course new inventions 91 to be made. But man now had a
32、 desire to explore again. The world was 92 to man but the stars were not. Man began looking for ways to go into 93 . Russia made the first step. Then the United States took a step. Since then other countries, 94 China and Japan, have made their steps into space.In 1969 man took his biggest step away
33、 from the earth. Americans first walked on the moon. This is certainly just a 95 thought. New inventions will someday allow us to do things we have never dreamed of.76. A. the one B. that C. one D. it77. A. carry B. bring C. find D. put78. A. time B. knowledge C. situation D. effect79. A. appear B.
34、mind C. change D. rise571685280. A. have B. want C. decide D. like81. A. work B. turn C. make D. think82. A. In B. Among C. Between D. About83. A. sort B. part C. step D. use84. A. results B. jobs C. things D. inventions85. A. when B. which C. if D. as86. A. out B. in C. away D. about87. A. rest B.
35、course C. kind D. pattern88. A. rules B. diseases C. difficulties D. problems89. A. more important B. longerC. happier D. better90. A. hope B. expect C. start D. ask91. A. go on B. begin C. are able D. continue92. A. useful B. popular C. common D. known93. A. space B. sky C. air D. room94. A. includ
36、ing B. except C. but D. like95. A. moving B. interesting C. beginning D. surprising七、阅读理解（共 14 小题；共 28 分）AInspired by a 9-year-old cyclist who uses only part of one hand, a group of University of Guelph students has won an international award for their inventiona bike brake lever (刹车手柄). It pulls bo
37、th the front brake and the back brake at the same time.Lauren Turner was able to ride her bike, but not as confidently and quickly as her friends.“She couldnt use the front brake. She was only using the back brake, but the front brake makes you stop twice as fast,“ says Micha Wallace, who with Katie
38、 Bell, Anina Sakaguchi and Andrew Morris won second prize in the James Dyson Awards for their single-handed bike braking lever.“She used it all last summer and she had no problems. She said it helped her go faster because she felt more confident in her braking abilities. She felt safer.“ says Wallac
39、e.The invention was the fourth-year design project for the four students. They designed, tested and created a prototype(模型) within a four-month period.When Wallace heard about the James Dyson Awards on the news, she and her co-inventors entered their project in the UK-based contest. The contest main
40、ly rewards student designers who create products that improve the way we live. The Guelph students collected the second prize -2,000 for them, plus 500 for their school.As well, they had a chance to meet James Dyson, a UK inventor. While praising the students for their creativity, Dyson said the sin
41、gle-handed lever could improve safety for all cyclists. “By using both brakes at once,“ he explains, “you could prevent the possibility of flying over the handlebars and ending up with an injury.“The students are hoping to sell the patent to a major company. It may be used in other devices that requ
42、ire two hands for operation.96. The bike brake lever was designed for the purpose of .A. winning James Dyson AwardsB. helping people become confidentC. applying for a patent for the inventionD. helping the disabled ride their bike safely97. What can we know about the inventors of the brake lever?A.
43、They created the invention in four years.B. They won their school 500 for their invention.C. They won the James Dyson Awards for four times.D. They sold their patent to a major company.571685298. From the passage, we could infer that the brake lever .A. has already been widely usedB. also improves t
44、he bikes speedC. is only useful for disabled cyclistsD. will have a wide market in the futureBPicture the scene: the battery on your mobile phone has run out. You cant make any calls for help and no one can contact you. You are all alone-well, not quite. Just reach into your pocket and take out a pi
45、ece of sugar. Put it into the battery, wait a minute, and you are back on the phone.Thanks to a group of American scientists, this situation could become real. Swadesh Chaud Huri and Derek Lovley have invented the “bacteria battery“ powered by bacteria that eats sugar and turns it into electricity.“This is a special organism,“ Lovley said. “You can harvest enough electricity to power a cell phone battery for about four hours from a spoonful of sugar.“In the past, bacteria batteries have been expensive and long-lasting. But this battery uses a more efficient bacteria that can turn 80 perce
