1、Unit1 Great scientists 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. Where does the conversation probably take place?A. At a restaurant. B. At the doctors. C. In a coffee shop.2. What time is
2、it now?A. 9:15 p.m. B. 9:30 p.m. C. 9:45 p.m.3. Why cant the woman meet the man this evening?A. The man will visit his friend.B. She will go to visit her friend.C. Her friend will come to see her.4. What does Billy mean?A. His brother never forgets his own birthday.B. His brother will give him a bir
3、thday present.C. His brother is coming to celebrate his birthday.5. What does the woman suggest the man do?A. Order a new book.B. Read another book.C. Search the shelf again.第二节（共 15 小题；每小题 1.5 分，满分 22.5 分）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
4、5 秒钟的作答时间。每段对话或独白读两遍。听第 6 段材料，回答第 6、7 题。6. What is the attitude of the man towards the woman?A. Cold. B. Rude. C. Considerate.7. How much is the calculator?A. 9 dollars. B. 19 dollars. C. 90 dollars.听第 7 段材料，回答第 8、9 题。8. Where is the woman?A. In a hotel. B. In a company. C. In a travel agency.9. Wha
5、t are the two speakers talking about?A. The mans hobby. B. Tour information. C. Hotel service.听第 8 段材料，回答第 10 至 12 题。10. Why is the man going to the States?A. To visit places of interest.B. To attend a conference.C. To visit his friends.11. What is the man most probably?A. A scientist. B. A reporter
6、. C. A pilot.12. Who will pay the mans expenses?A. The man himself.B. A California official.C. The University of Stanford.听第 9 段材料，回答第 13 至 16 题。13. What field of job does the woman want to do after graduation?A. Law. B. Medicine. C. Management.14. What does the woman think is the key to ones succes
7、s?A. Education background. B. Working experience. C. Interest.15. What does the mans father want him to be?A. A doctor. B. A teacher. C. A businessman.16. What can we learn about the man?A. He hasnt found a job up to now.B. He has no ambition and feels down.C. He will accept his fathers suggestion.听
8、第 10 段材料，回答第 17 至 20 题。17. Where did Mary work as a waitress?A. At a top club in Britain.B. At a club named Top Club.C. At a club at New York University.18. How did Mary describe Mr. Williams?A. Nice. B. Careless. C. Humorous.19. Why did the club pay Mary the money?A. She worked hard for the club.B.
9、 Her story made the club well known.C. Mr. Williams asked the boss of the club to do so.20. What is the story mainly about?A. A generous customer.B. The biggest tip in the history.C. An unexpected amount of money.二、单词拼写(单句首字母填空)（共 15 小题；共 15 分）21. From his appearance, we may c that he is a heavy smo
10、ker.22. Our school football team d the Sunshine School team in the match.23. Sorry, Mr. Smith has an important meeting to a right now. Shall I ask him to call back an hour later?24. Being e to the sun is harmful to your skin.25. With better understanding of the human body, scientists and physicians
11、will be able to c more diseases.26. Perhaps the most difficult c is how to survive without friends.27. No one knows who killed her, but the police s her husband.28. You are to b for the broken glass.29. He found that it came from the river p by the dirty water from London.30. If you cant h the job,
12、I will get someone else to do it.31. Warm sunshine a the coming of spring.32. We should c ourselves to the motherland.33. It was hard for me to r my familys religious belief.34. You need to sit down and a why you feel so upset.35. We can plant more trees because trees a carbon dioxide in the air to
13、produce oxygen.三、单词拼写(根据中文提示拼写单词)（共 15 小题；共 15 分）36. When (参加) networking events, ask others what they do and think about how you can help them.37. This (嫌疑犯) comes under observation.38. She (露出) a set of perfect white teeth when she smiles.39. It is a great (挑战 ) for him to govern the country well.
14、40. The meeting will probably (结束) without any solutions to this problem.41. You must be (谨慎的 ) about strangers.42. To our surprise, the old doctor (治愈) my cousin of her cancer.43. If you fail in the exam, youll only have yourself to (责备).44. He found that the water came from the river (污染 ) by the
15、dirty water from London.45. The coach tried to (分析) the cause of our defeat.46. We are sure that our class basketball team will (打败) any other one in the coming sports meeting.47. I believe that each of us can (为.做贡献) to the future of the world.48. Its necessary for young people to learn to (处理) str
16、ess.49. Warm sunshine (预告,宣告) the coming of spring.50. She is kind-hearted. You shouldnt (拒绝) her offer.四、翻译(根据中文提示完成句子)（共 10 小题；共 20 分）51. 这个问题一被提出来，大家就纷纷站起来发表自己的观点。The instant , we all stood up to give our opinions. (put)52. 虽然他对学生要求很严格，但深受学生们的欢迎。（词数不限）Though he is very strict his students,he is v
17、ery them.53. 指纹使嫌疑犯与犯罪联系起来。Fingerprints the suspect the crime.54. He is a teacher (受学生尊敬的 ).（词数不限）55. When my chance came, I really (在之间感到为难) further education and beginning to work.56. 除了别的考虑外，时间也是个因素。other considerations, time is also a factor.57. You cant (得出结论) without enough evidence.58. 你看得懂这首
18、诗吗？(词数不限 )Can you this poem?59. 别在太阳下晒太久，你会被晒伤。(词数不限)for too long. Youll get burnt.60. 他昨天在机场丢失的那台手提电脑是 IBM 的。The computer at the airport yesterday is an IBM laptop. (lose)五、单项选择（共 20 小题；共 20 分）61. His answer was so confused that I could hardly make any of it at all.A. meaning B. sense C. idea D. po
19、int62. providing entertainment, the website also turns out to be a helpful tool.A. Far from B. Instead of C. Regardless of D. Apart from63. - Hi, Terry, can I use your computer for a while this afternoon?- Sorry. .A. Its repaired B. It has been repairedC. Its being repaired D. It had been repaired64
20、. I his answer, because I didnt believe he could have found it so easily.A. contradicted B. suspected C. distributed D. forecast65. At the meeting, student representatives some very good suggestions.A. put out B. put off C. put forward D. put down66. There have been several new events to the program
21、 for the Olympic Games.A. add B. to add C. adding D. added67. Faced with a problem, you have to it first, and then try to find a solution.A. contribute B. assist C. concentrate D. analyze68. Jim is in great need of money, but he has my help.A. rejected B. received C. followed D. carried69. No diffic
22、ulty could this brave man since he is so much confident and capable.A. defeat B. attack C. win D. overcome70. When the group discussion is nearing its end, make sure to it with important point.A. conclude B. lead C. avoid D. hold71. - Im sorry, but I dont quite follow you. Did you say you wanted to
23、return on September 20?- Sorry, I myself clear. We want to return on October 20.A. hadnt made B. wouldnt make C. dont make D. havent made72. The doctor finally her of the bad injury.A. examined B. fixed C. treated D. cured73. After completing and signing it, please return the form to us in the envel
24、ope .A. providing B. providedC. having provided D. provide74. You must follow the directions exactly, and if you should become , you must take the time to go back again and read them over.A. confused B. to be confusedC. to confuse D. confusing75. Friends are like leaves, everywhere, but true friends
25、 are like diamonds, precious and rare.A. to find B. finding C. found D. being found76. I got when I heard that he failed the exam.A. confuse B. confused C. confusing D. to confuse77. She is very strict not only all of us, but all her own work.A. in; with B. with; with C. with; in D. in; in78. While
26、listening to the concert, the audience is required to remain and keep quiet.A. seated B. to be seated C. seating D. to seat79. Last month, the Japanese government expressed their thanks for the aid they from China.A. receive B. are receiving C. have received D. had received80. Why did so many people
27、 stand by while the woman in broad daylight?A. is being robbed B. had been robbedC. was being robbed D. has been robbed六、完形填空（共 20 小题；共 30 分）The study of science helps us to better understand the natural world. Scientists are learning to predict 81 things as earthquakes. This is something that 82 to
28、 save hundreds of lives. 83 are also continuing to study many 84 natural events such as storms of various kinds. Scientists are also studying people. 85 are trying to understand not only 86 makes people human, but also the things 87 affect people such as illness. They are 88 various other things of
29、human biology, 89 . The study of the natural world by scientists and by students of science may help to 90 the world easier to understand. It 91 also save many lives, and improve 92 for many people all over the world.Some of the things one might study 93 a science course are very interesting questio
30、ns 94 people and their lives. Some of 95 questions are: What are men and 96 ? What information would help us to understand all people 97 ? What information can explain where human beings come from and why they act the way they do? Questions 98 these have led biologists to understand the origin(发源地)
31、99 development of the human race. Some of the other questions biologists study have something to do 100 illness. What makes people sick? These are all questions that interest scientists and that, when answered, will surely, have an effect on our lives.81. A. the B. those C. such D. this82. A. does B
32、. helps C. works D. gives83. A. Scientists B. Students C. Biologists D. Teachers84. A. of B. those C. that D. other85. A. You B. They C. People D. Many86. A. that B. to C. about D. what87. A. what B. that C. he D. then88. A. studying B. working C. looking D. learning89. A. only B. though C. too D. t
33、hen90. A. work B. make C. allow D. let91. A. is B. must C. had D. may92. A. life B. work C. study D. lives93. A. of B. to C. in D. about94. A. to B. about C. above D. at95. A. this B. that C. some D. these96. A. women B. people C. ladies D. human97. A. much B. over C. better D. even98. A. like B. wi
34、th C. of D. about99. A. about B. of C. to D. and100. A. the B. along C. with D. to七、阅读理解（共 14 小题；共 28 分）AThe next time you use telephone and Internet, you can probably thank Charles Kao (高锟), who was one of the Nobel Prize in Physics winners on October 6, 2009. His idea of fiber-optic(光纤) communicat
35、ions has made the modern telephone and Internet possible. People can exchange text, music and photos around the world within seconds thanks to this technology.Half the $1.4 million prize goes to Charles Kao for discovering how to send light signals long distances through hair-thin glass fibers. The
36、other half goes to the Americans Boyle and Smith for inventing a sensor(传感器) that turns light into electrical signals. Their invention led to digital cameras.Kao was born in Shanghai in 1933 and now has both American and British citizenship(公民身份).Kao has been interested in science since he was a boy
37、. He once tried making a bomb at home using chemicals and water; then he threw it in the street. Fortunately, no one was hurt!After primary school and the first year of middle school, Kao moved to Hong Kong with his family. He went to Hong Kong University, but he had to go to London University to st
38、udy electrical engineering. Later he studied fiber-optic communications.Kao said in 1966 that glass fibers could carry light over long distances. Not many took him seriously at the time. But in 1970, researchers in the US were able to make the material.Today the fibers are used throughout the world
39、in computer cables and other cables. The light that flows through them sends text, music, pictures and video globally in less than a second. If you put together all the fibers in the world, you would get a single thread over 1 billion kilometers long. That is enough to go around the globe more than
40、25,000 times.101. Why was Charles Kao awarded the Nobel Prize in Physics?A. Because he invented the modern telephone and Internet.B. Because he together with Boyle and Smith invented a sensor which changes light into electrical signals.C. Because his idea led to the invention of digital cameras.D. B
41、ecause he discovered the way to send light signals through glass fibers.102. The passage mainly tells us .A. Charles Kaos contribution and his growthB. Charles Kao together with Boyle and Smith won the Nobel Prize in PhysicsC. how Charles Kao discovered fiber-optic communicationsD. how Charles Kao b
42、ecame a great scientist103. Which of the following is TRUE according to the passage?A. Charles Kao left his parents and went to Hong Kong after the first year of middle school.B. Charles Kao is a Chinese-American.C. Only a few people considered Charles Kaos idea very useful at the very beginning.D.
43、Charles Kao studied fiber-optic communications in Hong Kong University.BWhen Two Bangs MeetSheldon Cooper is a scientific genius on the popular American TV showThe Big Bang Theory. He finally met his match last year: Stephen Hawking.This is not the first time that the scientist has appeared on TV. H
44、e has also been on Star Trek (in 1987) and The Simpsons (in 1989). Each time, he played himself.Hawking, 71, is perhaps the worlds most famous scientist after Albert Einstein. He has spent his whole life studying the beginning and the end of the universe, including the Big Bang theory.The Big Bang t
45、heory explains the early development of the universe. According to the theory, about 13.7 billion years ago everything was all squeezed together in a tiny, tight little ball, and then the ball exploded. The results of that explosion are what we call the universe.Hawking has always tried to make scie
46、nce more popular with people. His book, A Brief History of Time was published in 1988. In the book he shares his understanding of the universe in simple language. The book tries to explain many subjects about the universe to common readers, including the Big Bang, black holes and light cones (光锥).Ha
47、wkings achievements are even greater if you think about his disability. When he was 21, Hawking caught a bad illness that slowly stopped him from moving or talking. Now he sits on a wheelchair with a computer by his side. To communicate, he moves two fingers to control the computers mouse. He chooses his words from the screen, which are then spoken by a voice synthesizer(合成器).Hawking also believes that there might be aliens in space. However, he believes they are probably very dangerous, so we should not look for them. “I imagine they might exist in very big ships.
