大学英语四级模拟试卷223(题后含答案及解析)

大学英语四级模拟试卷223(题后含答案及解析)
题型有：1. Writing 2. Reading Comprehension (Skimming and Scanning) 3. Listening Comprehension 4. Reading Comprehension (Reading in Depth) 5. Cloze 8. Translation
Part I Writing (30 minutes)
1．For this part, you are allowed 30 minutes to write a composition on the topic Advantages and Disadvantages of One-child Policy. You should write at least 120 words following the outline given below in Chinese.1. 独身子女政策带来的变化。

2. 独身子女政策带来的社会问题。

正确答案：Advantages and Disadvantages of One-child Policy As we know that China has been pursuing one-child policy for many years, and great changes have taken place since the policy was adopted. Firstly, the policy has greatly reduced the government’s pressure in energy supply, food supply, water supply and so on. Secondly, it has helped a lot in improving people’s living standards, especially in the rural areas. But just as every coin has two sides, the negative aspects of the policy are also apparent. To begin with, one-child policy has brought some social problems. For example, the only child is liable to become self-centered and selfish with all of the parents’ love. For another, children in the one-child families are much lonelier than those in the non-one-child families. And worst of all, the only child will have to undertake a much heavier burden with four parents to look after if he or she gets married. It’s not an easy job, indeed. Although the one-child policy has some disadvantages, I believe that it has done more good than harm to our society and our generation will definitely benefit from it. Therefore, we should continue to pursue the policy.
Part II Reading Comprehension (Skimming and Scanning) (15 minutes)Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions attached to the passage. For questions 1-7, mark：Y (for YES) if the statement agrees with the information given in the passage;N (for NO) if the statement contradicts the information given in the passage;NG (for NOT GIVEN)if the information is not given in the passage.
Mystery of Time If you can read a clock, you can know the time of day. But no one knows what time itself is. We can not see it. We can not hear it. We know it only by the way we mark its passing. For ail our success in measuring the tiniest parts of time, time remains one of the great mysteries of the universe. One way of thinking about time is to imagine a world without time. There could be no movement, because time and movement can not be separated. A world without time could exist only as long as there were no changes, for time and change are linked. When
something changes, you know time has passed. In the real world, changes never stop. Some changes happen only once in a while, like an eclipse of the moon. Others happen repeatedly, like the rising and setting of the sun. People have always noted natural events that repeat themselves. When people began to count such events, they began to measure time. In early human history, the only changes that seemed to repeat themselves evenly were the movements of objects in the sky. The most easily seen result of these movements was the difference between light and darkness. The sun rose in the eastern sky, producing light. It moved overhead and sank in the western sky, causing darkness. The appearance and disappearance of the sun was even and unfailing. The periods of light and darkness it created were the first accepted periods of time. We have named each period of light and darkness one day. People saw the sun rise higher in the sky during the summer than in winter. They counted the days that passed from the sun’s highest position until it returned to that position. They counted 365 days. We now know that is the time Earth takes to move once around the sun. We call this period of time a year. Early humans also noted changes in the moon. As it moved across the night sky, they must have wondered. Why did it look different every night? Why did it disappear? Where did it go? Even before they learned the answers to these questions, they developed a way to use the moon’s changing faces to tell time. The moon was “full” when its face was bright and round. They counted the number of times the sun appeared between full moons. They learned that this number always remained the same, about 29 suns. Twenty-nine suns equaled one moon. We now know this period of time as one month. Early people hunted animals and gathered wild plants. They moved in groups, or tribes, from place to place in search of food. Then people learned to plant seeds and grow crops. They learned to raise animals. They found they no longer needed to move from one place to another to survive. As hunters, people did not need a way to measure time. As farmers, however, they had to plant crops in time to harvest them before winter. They had to know when the seasons would change. So they developed calendars. No one knows when the first calendar was developed. But it seems possible that it was based on moons, or lunar months. When people started farming, the wise men of the tribes became very important. They studied the sky. They gathered enough information to be able to say when the seasons would change. They announced when it was time to plant crops. The divisions of time we use today were developed in ancient Babylonia 4,000 years ago. Babylonian astronomers believed the sun moved around the Earth every 365 days. They divided the trip into 12 equal parts or months. Each month was 30 days. Then they divided each day into 24 equal pans, or hours. They divided each hour into 60 minutes, and each minute into 60 seconds. Humans have used many devices to measure time. The sundial was one of the earliest and simplest. A sundial measures the movement of the sun across the sky each day. It has a stick or other object that rises above a flat surface. The stick, blocking sunlight, creates a shadow. As the sun moves, so does the shadow of the stick across the flat surface. Marks on the surface show the passing of hours and perhaps minutes. The sundial worked well only when the sun was shining. So other ways of measuring the passing of time were invented. One device was the hourglass. It used a thin stream
of falling sand to measure time. The hourglass was shaped like the number eight: wide at the top and bottom but very thin in the middle. It took exactly one hour for all the sand to drop from top to bottom through a tiny opening in the middle. Then you turned the hourglass upside down. And it began to mark the passing of another hour. By the 1700s, people had developed mechanical clocks and watches. And today, many of our clocks and watches are electronic. So we have devices to mark the passing of time, but what lime is it now? Clocks in different parts of the world do not show the same time at the same time. This is because time on earth is set by the sun’s position in the sky above us. We all have a 12 o’clock noon each day. Noon is the time the sun is highest in the sky. But when it is 12 o’clock noon where I am, it may be 10 o’clock at night where you are. As international communications and travel grew, it became clear we needed a way to establish a common time for all pans of the world. In 1884, an international conference divided the world into 24 time areas, or zones. Each zone represents one hour. The astronomical observatory in Greenwich, England, was chosen as the starting point for the time zones. Twelve zones are west of Greenwich. Twelve are east. The time at Greenwich as measured by the sun is considered by astronomers to be Universal time. We also know it a Greenwich Mean Time.
2．No time, no movement.
A．Y
B．N
C．NG
正确答案：A
解析：题干的意思体现在第二段的第二句“There could be no movement，because time and movement can not be separated”中。

前半句可看作虚拟语气句的主句，被省略掉的从句应该是“if there were no time”，后半句“time and movement can not be separated”则加强了题干的意思。

3．The periods of light and darkness the moon created were the first accepted periods of time.
A．Y
B．N
C．NG
正确答案：B
解析：从第四段第四句“The periods…time”中可以看出，句中的“it”应指上句中的sun,而不是moon。

在阅读类题型中，人称代词或指示代词所指代的内容常常被用作考查对象。

4．Early hunters needed a way to measure time.
A．Y
B．N
C．NG
正确答案：B
解析：本题的相关信息在第七段第六句“As hunters，people did not need a way to measure time”随后两句给本题的解答起到了补充作用。

5．It was early farmers who developed calendars.
A．Y
B．N
C．NG
正确答案：A
解析：相关信息在第七段第七、八、九句“As farmers…So they developed calendars”。

6．The divisions of time we use today were developed in ancient Egypt 4,000 years ago.
A．Y
B．N
C．NG
正确答案：B
解析：从第九段第一句“The divisions of time…4000 years ago”可知，我们现在使用的时间划分法是由Babylonian astronomers创立的。

7．Time is the greatest discovery in the history of human beings.
A．Y
B．N
C．NG
正确答案：C
解析：时间很重要，也许它真称得上是人类历史上最伟大的发现。

文章中(特别是第二段)也有相当多的内容论述时间是如何重要，却没有论述它是“最”重要的。

8．The Greenwich Mean Time was set up in 1884.
A．Y
B．N
C．NG
正确答案：A
解析：本题相关信息在最后一段，尤其是第一句和最后一句是解题的关键信息。

9．Two devices are mentioned which were used to measure time in the ancient times. They are ______.
正确答案：sundial and hourglass
解析：第十段的第二句“The sundial was one of the earliest and simplest”及第十一段的第三句“One device was the hourglass”提供了相关信息。

“Sundial”意为“日晷仪”，“hourglass”意为“沙漏”。

10．Mechanical docks and watches had appeared by ______.
正确答案：the 1700s
解析：相关信息在第十二段第一句“By the 1700s，people had developed mechanical clocks and watches”。

11．Clocks in different part of the world show ______ at the same time.
正确答案：different time
解析：本题信息在第十三段第二句“Clocks in different pans of the world do not show the same time at the same time”。

Part III Listening Comprehension (35 minutes)
Section ADirections: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer.
听力原文：M: I have an extra ticket to the new hit movie tonight. Would you like to come along?W: Thanks, but I have already got my own ticket. Perhaps you can sell the other one at the door.Q: What does the woman suggest?
12．
A．Going to see the movie together.
B．Waiting for the man at the door.
C．Trying to sell the ticket to other people.
D．Leaving the extra ticket for his own use.
正确答案：C
解析：女士在对话中提到，“you can sell the other one”。

因此，她的建议应当是想办法把票卖掉。

听力原文：M: Sorry to trouble you, but could you please tell me how to get to the City Hall? I’m a stranger here.W: Follow this street to the traffic lights, turn right
there, and a short way along the left, you’ll see it.Q: What can we conclude from the conversation?
13．
A．The man has lost himself in the center of the city.
B．The man has lost his way.
C．This is not the first time he came here.
D．He has never been here before.
正确答案：D
解析：虽然本地人有时也会问路，但从男士所说的“I’m a stranger here．”可以推知，他以前很可能没来过这里。

听力原文：M: Can you show me how to find an article published last year in English Language Learning?W: You can look up the index of English Language Learning, find the volume of last year’s and check under title or author.Q: Where did their conversation most probably take place?
14．
A．In a store house.
B．In a publishing house.
C．In a library.
D．In the English Department.
正确答案：C
解析：双方谈论的话题是如何查到去年《英语学习》杂志上发表的文章。

所给的四个选项中，此对话最有可能发生的地点应当是图书馆。

听力原文：W: What type of term paper do you expect us to write?M: Your term paper should be typed, double-spaced and not less than ten pages long.Q: Who are the two speakers?
15．
A．A secretary and her boss.
B．A professor and a student.
C．A writer and an editor.
D．A store owner and his manager.
正确答案：B
解析：女士在询问对方对“term paper”(学期论文)的要求。

因此，对话双方的身份应当是学生与教授。

听力原文：M: Well, where are we going today?W: First I’ll take you to one of the historic sites in the outskirts, and then we’ll go to the city museum. We’ll be back at the hotel at about half past eleven.Q: What are the two speakers?
16．
A．Salesman and customer.
B．Lawyer and client.
C．Manager and shop assistant.
D．Guide and tourist.
正确答案：D
解析：女士说要带对方去游览历史遗址和博物馆，11点半左右他们将返回饭店。

在所给的选项中，谈话双方最有可能是导游与游客。

听力原文：M: How time flies! It’s almost the end of the term. Do you still have time for writing Internet blogs?W: Only once in a while now, but I still consider it my hobby. I find it very fascinating.Q: What does the man mean?
17．
A．He has some other hobbies now.
B．He wrote Internet blogs once.
C．He writes Internet blogs sometimes.
D．He has quit writing Internet blogs for the time being.
正确答案：C
解析：once in a while这一词组与sometimes意义相近，答案应为C。

blog 为网络用语，意为“博客”。

听力原文：W: Hey, Greg. I was wondering if you could give me a ride to the airport. My flight leaves at 9 a.m. and I should get there at least 20 minutes earlier. So we should leave at about 7:00 then.M: No problem. I’ll be driving right by there.Q: When does the woman’s flight leave?
18．
A．6:40 a.m.
B．7:00 p.m.
C．9:00 a.m.
D．9:20 p.m.
正确答案：A
解析：对话中给出了三个时间，但只要在听的同时记住哪一时间干什么，便可很容易地知道答案为C。

听力原文：W: Hi, George. Can you tell me what you’re planning to write about for your class research projects?M: Yes. Andrew and I are both thinking about investigating the history of Africa during the time of the great Egyptian civilization. Maybe Andrew will focus on why it declined. I’m taking a different focus.Q: What subject is the man speaker going to focus on?
19．
A．He will focus on the history of Africa.
B．He will focus on the great Egyptian civilization.
C．He will focus on the class research project.
D．He will focus on some other aspects.
正确答案：D
解析：男士在对话中并未具体说他集中研究哪个方面，只提及与Andrew的不一样，因此应当选D。

听力原文：W: Excuse me, sir. Is this the human resources department?M: Yes, that’s right. Is there anything I can do for you?W: Yeah, I’m a TV reporter, and I’m doing a serial interview on the job market in China. Could you do me a favor, please?M: My pleasure. What would you like to know first?W: I know you have a very large staff of over one thousand. How do you appoint them to the right posts, and transfer them, if necessary, at the right time?M: That’s a good question. Ah, let me see. We give tests and on-the-job trials in different ways, so we know whichever job best suits a certain person.W: My second question is that today there are many people, especially the competent ones, who jump from job to job. How do you settle that?M: We have tight regulations and long service awards for motivating employees. But, anyway, they make their own choices. If they choose to stay, they need to abide by our policies.W: I’m sorry, I didn’t quite follow you. Do you mean that they are free to come and go?M: Yes, you are quite right.W: Another question is that since you’ve been a personnel manager for several years, what do you think is the bottleneck in the job market in China today? Why is it so hard for graduates to find a suitable job?M: Well, let me see. Maybe it’s the lack of experience. They remain frustrated in a new workplace even after half a year.W: Now I’ve got it. But may I ask you one more question, please?M: Of course you can.W: Suppose I were one of your job applicants, what would you advise me to do?M: Learn what you are learning well and try to be proficient in at least one thing. That’s my tip for all job hunters.W: Thank you very much.
20．
A．She is a journalist.
B．She is a broadcaster.
C．She is a TV compere.
D．She is a personnel manager.
正确答案：A
解析：女士说自己是电视台的记者。

因此正确答案为A。

21．
A．They punish those who intend to do job-hopping.
B．They encourage them to make their own choice.
C．They set tight rules and offer long service rewards.
D．They force them to abide by the policies.
正确答案：C
解析：女士问男士的公司如何解决跳槽问题，男士说公司有严格的规定防止员工跳槽，且工作时间久的员工会有奖励。

因此正确答案为C。

22．
A．They are lacking in work experience.
B．They like to jump from one job to another.
C．They need more chances.
D．They do not obey rules and regulations.
正确答案：A
解析：女士问大学生为什么难以找到合适的工作，男士说可能是应为他们缺乏工作经验。

听力原文：By the end of the 1980s, U2 had established itself not only as one of the world’s most popular bands but also as one of the most innovative. The members are Bono, the Edge, Adam Clayton and Larry Mullen Jr. The band members were attending a Dublin secondary school when they began rehearsing in spite of their lack of technical expertise. The band’s early records were characterized by an intense spirituality, and they commented on social and political issues, with compassion and tenderness. The group became renowned for its inspirational live performances before it made much of an impact on the pop charts. But with the multimillion-selling success of The Joshua Tree album and the number one hits With or Without You and I Still Haven’t Found What I’m Looking For, U2 became pop stars. On Rattle and Hum, the bend explored American roots music—blues, country, and folk—with typical earnestness, but were ridiculed by some critics who found the project shallow. U2 reinvented itself for the new decade, reemerging in 1991 with the album Achtung Baby and a sound heavily influenced by European experimental, electronic, and disco music. However, despite the flashy exterior, the band’s lyrics remained obsessed with matters of the soul. In 2000, U2 released the aptly entitled (All That You Can’t Leave Behind), which combined the elements of the band’s earlier music.
23．
A．Intense spirituality.
B．Inspirational live performance.
C．Innovativeness.
D．Influenced by European disco music.
正确答案：A
解析：此题为细节题。

文中明确提到“the band’s early records were characterized by an intense spirituality”，故答案为A。

24．
A．In 1980.
B．In 1986.
C．In 1991.
D．In 2000.
正确答案：C
解析：此题为时间题。

文中提到U2于1991年携新专辑《注意点儿，宝贝》重现乐坛。

25．
A．The Joshua Tree.
B．With or Without You.
C．Rattle and Hum.
D．All That You Can’t Leave Behind.
正确答案：C
解析：文章明确指出“on Rattle and Hum，the band explored American roots music”，因此C为正确答案。

听力原文：Visitors to Britain may find the best place to approach local culture is in a traditional pub. The mysterious rituals of British pubs must be taken into consideration. Most pubs have no waiters. You have to go to the bar to buy drinks. This may sound inconvenient, but there is a hidden purpose. Pub culture is designed to promote sociability in a society known for its reserve. Standing at the bar for service allows you to chat with others waiting to be served. The bar counter is possibly the only site in the British Isles in which conversation with strangers is considered entirely appropriate and really quite normal behavior. “If you haven’t been to a pub, you haven’t been to Britain.”This tip can be found in a booklet, Passport to the Pub: The Tourists’Guide to Pub Etiquette, a customers’code of conduct for those wanting to sample “a central part of British life and culture”. The trouble is that if you do not follow the local rules, the experience may fall flat. For example, if you are in a big group, it is best if only one or two people go to buy the drinks. Nothing irritates the regular customers and the bar staff more than a gang of strangers blocking all access to the bar while they chat and hesitate about what to order.
26．
A．Church.
B．Art museum.
C．Buckingham Palace.
D．Local pubs.
正确答案：D
解析：文章开篇便指出，当地的酒吧是领略英国传统文化的最佳去处，故答案选D是毫无疑问的。

听力原文：W: Elizabeth Martin speaking.M: Dr. Martin, my name is Mark
Johnson. My roommate, Benjamin Jones, is in your art history class. Uh-m, Art History 502?W: Yes.M: Well, he is sick and won’t be in your class today. He asked me to bring his term paper to your office.W: OK. The paper is due by 3 o’clock.M: I have a class from 1 to 2. I’ll bring it to your office after my class.W: Well, I have a meeting this afternoon. So you can drop it off with the secretary of the art history department. She’ll see that I get it.M: OK. Oh I almost forgot. I’m a biology major. But my advisor told me that I need some other course to graduate. I’ve noticed that you are teaching a course on landscape painters next semester. Could you tell me a little about it?W: Sure. Well, it’s a course for non-art majors. We’ll be looking at several different painters and examining their works. We’ll also look at the history and politics of the era in which they lived.M: That sounds interesting. What else is required?W: There is no final exam. And there is only one required book. But each student has to give a major presentation about the individual painter at the end of the course.M: Hmm. It sounds good. Will you be in your office later today? I’d like to talk to you some more.W: Well, my meeting’s scheduled to last all afternoon. Why don’t you stop by tomorrow? Any time in the afternoon. My office is in the arts building right next to the library.M: Thanks. I’ll do that.
27．
A．He is unable to attend her class.
B．He wants to deliver something to her office.
C．He wants to hand in a late assignment.
D．He wants to drop her course.
正确答案：B
解析：男士说自己的室友Benjamin病了，不能上课，请他帮忙把论文带给Dr Martin。

故正确答案为B。

28．
A．Find out about a course.
B．Examine some art works.
C．Talk about some landscape painters.
D．Go to a scheduled meeting.
正确答案：A
解析：男士说自己是生物专业的学生，要毕业必须选修其他的课程，因此向Dr Martin请教她所教的课程。

29．
A．Paint a landscape.
B．Give an oral report.
C．Take a final exam.
D．Buy several books.
正确答案：B
解析：Dr Martin要求学生在课程结束时“give a major presentation about the individual painter”，故正确答案为B。

30．
A．Come to her office before her meeting.
B．Change his major.
C．Meet her tomorrow.
D．Discuss the class with his roommate.
正确答案：C
解析：Dr Martin说自己整个下午都会在开会，因此让男士明天下午任何时间过来都可以。

Section BDirections: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.
31．
A．In 1828.
B．In 1890.
C．In 1934.
D．In 1961.
正确答案：D
解析：文章指出评论家对1961年出版的Webster’s Third New International Dictionary of the English Language有截然不同的意见，由此可确定这部词典最具争议，进而可知D为正确答案。

32．
A．Because it was the first true dictionary in the US.
B．Because it was issued by Noah Webster, the famous lexicographer.
C．Because it was used in schools at that time.
D．Because it was of American origin and simplified.
正确答案：D
解析：文章在开始部分提到此题信息，但却在最后对此提问，由此增加此题的难度。

根据“Although not a true dictionary，’The American Spelling Book’，because of its American origin and its simplification of English，became a household reference wordbook throughout the US”可知“The American Spelling Book”虽然不能算是一部真正意义上的词典，但由于它出自美国而且用语简单，因而成为备受欢迎的单词册，由此D为正确答案。

听力原文：An almost 100-year-old English textbook might be the earliest such book published in China, its owner, Mr. Wang, told reporters last week in Beijing. The 440-page textbook, entitled “English with Chinese Phonetics”, was possibly published in 1904 or before, predating another early textbook, “English Words at Entrance Level”, which was thought to be the earliest English textbook in China. Though almost a century old, with pages yellow with age, the various letter types listed in the book are still clearly recognizable, displaying the high standard of print quality at that time. As the title of the book suggests, the textbook uses Chinese characters to provide phonetic equivalent for English words, thus constituting a major drawback of this early school tutorial work, since there was no such a thing as standardized Mandarin at that time, the phonetics were arranged in line with the so-called “orthodox” Cantonese, resulting in misleading and what today seems a quite funny effect. Nevertheless, the book has been hailed as a “revolutionary guidebook inventing creative study methods for those ambitious people doing foreign businesses”. The book was acquired by its present owner, Mr. Wang, quite by chance. In 1992, when he was living in Papua New Guinea, an old local Chinese, originally from Guangdong Province presented him the book as a gift.
33．
A．In 1904.
B．In 1905.
C．In 1914.
D．In 1915.
正确答案：A
解析：此题为时间题。

文中明确指出“the book was possibly published in 1904 or before”，A选项最为接近。

34．
A．Because it is the earliest English textbook.
B．Because it indicates the high standard of print quality at that time.
C．Because it provides the Chinese equivalent for English words.
D．Because it invents creative study methods.
正确答案：D
解析：根据“the book has been hailed as a revolutionary book inventing creative study methods for those ambitious people doing foreign businesses”可知D为正确答案。

35．
A．100 pages.
B．140 pages.
C．400 pages.
D．440 pages.
正确答案：D
解析：此题为具体数字题，文中给出正确答案，“the 440-page textbook，entitled ‘English with Chinese Phonetics’”，因此选D。

36．
A．By the strokes of Chinese characters.
B．By Mandarin.
C．By Cantonese.
D．At random.
正确答案：C
解析：文中明确指出“the phonetics were arranged in line with the so-called orthodox Cantonese”，故C为正确答案。

Section CDirections: In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks numbered from 36 to 43 with the exact words you have just heard. For blanks numbered from 44 to 46 you are required to fill in the missing information. For these blanks, you can either use the exact words you have just heard or write down the
A problem related to the【B1】______ for land use is whether crops should be used to produce food or fuel. Two areas will be examined in this【B2】______ . Firstly, the problem should be viewed in its【B3】______ perspective. When oil prices rose【B4】______ in the 1970s, countries had to look for【B5】______ to solve the resulting【B6】______ . In developing countries, one of the possible answers to it is to produce alcohol from plant material. This has led to a lot of research in this area 【B7】______ in the use of sugar. The use of this material resulted from two【B8】______ reasons: a reduction in its price and low production costs. 【B9】______ . like the sweet potato in tropical regions, and corn and sugar beet in non-tropical regions. The problem with these plants is that they are also the people’s staple food in many poor countries. 【B10】______ .farmers naturally go for what is more profitable. As a result,【B11】______ .
37．【B1】
正确答案：competition
38．【B2】
正确答案：respect
39．【B3】
正确答案：historical.
40．【B4】
正确答案：sharply
41．【B5】
正确答案：alternatives
42．【B6】
正确答案：crisis
43．【B7】
正确答案：particularly
44．【B8】
正确答案：economic
45．【B9】
正确答案：There are other plants that can be used to produce alcohol
46．【B10】
正确答案：Therefore, farmers there are faced with a choice: crops for food or for fuel
47．【B11】
正确答案：the problems involved are economic in nature, rather than technological
Part IV Reading Comprehension (Reading in Depth) (25 minutes)
Section ADirections: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. Please mark the corresponding letter for each item with a single line through the center. You may not
use any of the words in the bank more than once.
For centuries man dreamed of achieving vertical flight. In 400 A.D. Chinese children 【S1】______ with a fan-like toy that spun upwards and fell back to earth as rotation ceased. Leonardo da Vinci conceived the first mechanical apparatus, called a “Helix”, which could carry a man straight up, but this was only a 【S2】______ and was never tested. The ancient dream was 【S3】______ realized in 1940 when a Russian immigrant, an aeronautical engineer, piloted a strange-looking craft of steel tubing with a rotating fan on top. It rose awkwardly and vertically into the air from a standing start, hovered a few feet above the ground, went sideways and backwards, and then settled back to 【S4】______ . That vehicle was called a helicopter. Imaginations were fired. Men dreamed of commuting to work in their own personal helicopter. Every man would have one in his backyard. People anticipated that vertical flight transports would carry millions of 【S5】______ as do the airliners of today. Such 【S6】______ expectations were not fulfilled. The helicopter has now become an extremely versatile machine. It excels in military missions, carrying troops, guns and strategic instruments where other aircraft can not go. Corporations use them 【S7】______ airborne offices, many metropolitan areas use them in police work, construction and logging companies 【S8】______ them in various advantageous ways, engineers use them for site selection and surveying, and oil companies use them as the best way to make offshore and remote work stations accessible to crews and supplies. Any 【S9】______ mission to a hard-to-get-to place is a likely task for a 【S10】______ . Among their other multitude of uses, they deliver people across town, fly to and from airports, assist in rescue work, and aid in the search for missing or wanted persons.A) employ B) passengers C) as D) helicopterE) comfortable F) earth G) sufficient H) urgentI) dislikedJ) played K) finallyL) intoM) expectedN) fantasticO) design
48．【S1】
正确答案：J
49．【S2】
正确答案：O
50．【S3】
正确答案：K
51．【S4】
正确答案：F。