公共英语三级-50及答案解析.doc

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1、公共英语三级-50 及答案解析(总分：100.00，做题时间：90 分钟)一、Section Listening (总题数：0，分数：0.00)二、Part A(总题数：1，分数：9.00)（分数：9.00）(1).Where is the man from?（分数：3.00）A.America.B.Australia.C.Japan.D.Austria.(2).How many times has the man visited Russia?（分数：3.00）A.Once.B.Three times.C.Four times.D.Twice.(3).What does the man me

2、an?（分数：3.00）A.He knows how to go to the airport.B.A stranger certainly doesn“t know the way.C.He never asks the way to the airport.D.He doesn“t know how to go to the airport.三、Part B(总题数：2，分数：21.00)Questions 4-7 are based on a talk between two friends. （分数：12.00）(1).What is the relationship between

3、the two speakers?（分数：3.00）A.Workmates.B.Roommates.C.Brother and sister.D.Friends.(2).What does the man want to do?（分数：3.00）A.Go to his brother“s graduation.B.Drive to Seattle after work.C.Invite the woman to his house.D.Invite his workmate to his house.(3).Why can“t Jane go to Jack“s house?（分数：3.00）

4、A.She has to go up to her younger brother“s graduation.B.She has to go to Seattle.C.She can“t stay for a long time.D.She can“t finish her work early.(4).What can we learn about the man“s sister?（分数：3.00）A.She has lived in Portland.B.She works in Canada.C.She will leave here soon.D.She was born in Se

5、attle.Questions 8-10 are based on the following monologue. （分数：9.00）(1).Which cities does the man want to visit?（分数：3.00）A.Xi“an, Beijing and Shanghai.B.Beijing, Guilin and Xi“an.C.Guilin, Beijing and Guangzhou.D.Beijing, Xi“an and Guangzhou.(2).What mode of transport does the girl suggest that the

6、man make use of in Beijing?（分数：3.00）A.A taxi.B.The underground.C.Buses.D.A bike.(3).Which can be inferred from the conversation?（分数：3.00）A.The man is a reporter.B.The man likes to visit Beijing.C.The man pays all the cost for the travel himself.D.The man pays part of the cost for his trip.四、Section

7、Reading Co(总题数：1，分数：40.00)If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that 1 a change in oceanic salinity. One of these is the subtraction of water from th

8、e ocean by means of evaporationconversion of liquid water to water vapor. In this manner, the salinity is increased, since the salts stay behind. If this is carried to the extreme, of course, while crystals of salt would be left behind; this, by the way, is how much of the table salt we use is actua

9、lly 2 . The opposite of evaporation is precipitation, such as rain, by which water is 3 to the ocean. Here the ocean is being diluted so that the salinity is decreased. This may occur in areas of high rainfall 4 in coastal regions where rivers flow into the ocean. Thus salinity may be increased by t

10、he subtraction of water by evaporation, or decreased by the addition of 5 water by precipitation of runoff. Normally, in tropical regions where the sun is very strong, the ocean salinity is somewhat 6 than it is in other parts of the world where there is not as much evaporation. Similarly, in coasta

11、l regions where rivers dilute the sea, salinity is somewhat lower than in other oceanic areas. A third process by which salinity may alter is associated 7 the formation and melting of sea ice. When seawater is frozen, the dissolved materials are left behind. In this manner, seawater directly beneath

12、 freshly formed sea ice has a higher salinity than it did 8 the ice appeared. Of course, when this ice melts, it will tend to decrease the salinity of the surrounding water. In the Weddell Sea, off Antarctica, the densest water in the oceans is formed 9 a result of this 10 process, which increases t

13、he salinity of cold water. This heavy water sinks and is found in the deeper portions of oceans of the world. A. with B. fresh C. added D. and E. obtained F. until G. or H. as I. freezing J. higher K. incur L. before M. in N. as O. cause（分数：40.00）五、Section Writing(总题数：1，分数：30.00)1.Read the text belo

14、w. Write an essay in about 120 words, in which you should summarize the key points of the text and make comments on them. Try to use your own words. Are you too old for fairy tales? If you think so, Copenhagen is sure to change your mind. See the city first from the water. In the harbor sits Denmark

15、“s best-known landmark, the Little Mermaid. Remember her? She left the world of the Sea People in search of a human soul in one of Hans Christian Andersen“s beloved fantasies. From the harbor you can get a feel for the attractive “city of green spires“. Copenhagen is a city on a human scale. You“ll

16、usually see them dressed casually, though they are among Europe“s rich people. Danes are taught not to stand out in a crowd. But they do know how to party, especially during holidays. You don“t have to hurry to walk the city“s center in less than an hour. Copenhagen was the first city to declare a s

17、treet for pedestrians only. The city has less traffic noise and pollution than any other European capital. Stroll away from the harbor along the riverbanks, you“ll see the modest Amalienborg Palace first. Completed in the mid-18th century, it still houses the royal family. The Danish Royal Guard is

18、on duty. At noon, you“ll watch the changing of the guard. The guards are not just for show, however. To see them having fun, and to have some fun yourself, cross Andersens Boulevard and enter Tivoli Gardens. You won“t be alone. More than five million people a year come here. They come to dance, dine

19、, take in outdoor and indoor concerts, see ballets and laugh at the comedy. One tip: Bring a lot of money. About 20 restaurants are among the city“s most expensive. Even without money, you can still enjoy the proud old trees, the colored night lights and the beautiful gardens. You might feel as if y

20、ou are in a fairy tale. （分数：30.00）_公共英语三级-50 答案解析(总分：100.00，做题时间：90 分钟)一、Section Listening (总题数：0，分数：0.00)二、Part A(总题数：1，分数：9.00)（分数：9.00）(1).Where is the man from?（分数：3.00）A.America.B.Australia.C.Japan. D.Austria.解析：听力原文 W: How many countries have you been to? M: Australia, America and Austria. I“l

21、l be back home in Japan next week.(2).How many times has the man visited Russia?（分数：3.00）A.Once.B.Three times. C.Four times.D.Twice.解析：听力原文 W: I hear you“ve been to Russia in 1990s, Mr. White. Was that your first visit? M: No, it was not my first visit to Russia. I had visited Russia twice before 19

22、80.(3).What does the man mean?（分数：3.00）A.He knows how to go to the airport.B.A stranger certainly doesn“t know the way.C.He never asks the way to the airport.D.He doesn“t know how to go to the airport. 解析：听力原文 W: Excuse me, could you tell me the way to the airport? M: Sorry, I“m a stranger here, too

23、.三、Part B(总题数：2，分数：21.00)Questions 4-7 are based on a talk between two friends. （分数：12.00）(1).What is the relationship between the two speakers?（分数：3.00）A.Workmates.B.Roommates.C.Brother and sister.D.Friends. 解析：听力原文 M: Jane! Imagine seeing you here. W: Jack! Glad to see you too. I haven“t seen you

24、for ages. M: You know, I“ve been hoping to get hold of you. Would you be able to come over this Friday? My sister just returned from a trip to Canada. She“ll be staying with Su for a few days. I thought you two might like to get to know each other since you two are both botanists. W: Oh! I“d love to

25、. But I can“t. I have to go up to my younger brother“s graduation on Friday right after work. It takes about four hours to get to Seattle, you know. M: Seattle? I thought you were from Portland. W: No, I have just lived there for a few years. M: Well, it“s really too bad you can“t make it. When my s

26、ister was in Canada, she spent the whole time taking pictures of plants. I can“t believe how good some of them are. W: Is there any chance that you could ask her to stay around for a little bit longer? I“ll be getting back early Sunday. M: I doubt whether we can get her to stay much longer. She is b

27、usy. W: Well, if I can“t get hold of her this time, maybe I“ll have to wait till the next time she comes around.(2).What does the man want to do?（分数：3.00）A.Go to his brother“s graduation.B.Drive to Seattle after work.C.Invite the woman to his house. D.Invite his workmate to his house.解析：(3).Why can“

28、t Jane go to Jack“s house?（分数：3.00）A.She has to go up to her younger brother“s graduation. B.She has to go to Seattle.C.She can“t stay for a long time.D.She can“t finish her work early.解析：(4).What can we learn about the man“s sister?（分数：3.00）A.She has lived in Portland.B.She works in Canada.C.She wi

29、ll leave here soon. D.She was born in Seattle.解析：Questions 8-10 are based on the following monologue. （分数：9.00）(1).Which cities does the man want to visit?（分数：3.00）A.Xi“an, Beijing and Shanghai.B.Beijing, Guilin and Xi“an. C.Guilin, Beijing and Guangzhou.D.Beijing, Xi“an and Guangzhou.解析：听力原文 M: How

30、 do you do? W: How do you do? What can I do for you? M: Well, I“ve just got off an international flight, and I“m not sure which mode of transport I should make use of on my trip. So I need some advice. W: Go on, please. M: I“m planning to travel to some famous placesBeijing, Xi“an and Guilin in Chin

31、a. Which mode of transport is the best for me? W: Well, that depends on how much time and money you“re going to spend on your trip. M: I see. I“m traveling at my expense, so I want to save both time and money spent on my way. W: Oh, I know what you mean. Now that you are in Beijing, you should visit

32、 the Great Wall, the Summer Palace, the Imperial Palace and Tian“anmen Square as well. During your trip in Beijing, make use of the underground which is faster and cheaper. M: How can I get to Xi“an? You know I have to go to Beijing after I“ve finished all my traveling. W: It“s much cheaper to take

33、a train to Xi“an than to fly. In my opinion, you should take the train to Xi“an and then to Guilin. You will not only save money but also have a close beautiful scenic trip. After that, fly directly from Guilin to Beijing. M: Good! That“s a really good idea. I“ll do as you have suggested. Thanks. Th

34、anks a lot. W: Not at all! Goodbye! M: Goodbye!(2).What mode of transport does the girl suggest that the man make use of in Beijing?（分数：3.00）A.A taxi.B.The underground. C.Buses.D.A bike.解析：(3).Which can be inferred from the conversation?（分数：3.00）A.The man is a reporter.B.The man likes to visit Beiji

35、ng.C.The man pays all the cost for the travel himself. D.The man pays part of the cost for his trip.解析：四、Section Reading Co(总题数：1，分数：40.00)If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. Ther

36、e are three basic processes that 1 a change in oceanic salinity. One of these is the subtraction of water from the ocean by means of evaporationconversion of liquid water to water vapor. In this manner, the salinity is increased, since the salts stay behind. If this is carried to the extreme, of cou

37、rse, while crystals of salt would be left behind; this, by the way, is how much of the table salt we use is actually 2 . The opposite of evaporation is precipitation, such as rain, by which water is 3 to the ocean. Here the ocean is being diluted so that the salinity is decreased. This may occur in

38、areas of high rainfall 4 in coastal regions where rivers flow into the ocean. Thus salinity may be increased by the subtraction of water by evaporation, or decreased by the addition of 5 water by precipitation of runoff. Normally, in tropical regions where the sun is very strong, the ocean salinity

39、is somewhat 6 than it is in other parts of the world where there is not as much evaporation. Similarly, in coastal regions where rivers dilute the sea, salinity is somewhat lower than in other oceanic areas. A third process by which salinity may alter is associated 7 the formation and melting of sea

40、 ice. When seawater is frozen, the dissolved materials are left behind. In this manner, seawater directly beneath freshly formed sea ice has a higher salinity than it did 8 the ice appeared. Of course, when this ice melts, it will tend to decrease the salinity of the surrounding water. In the Weddel

41、l Sea, off Antarctica, the densest water in the oceans is formed 9 a result of this 10 process, which increases the salinity of cold water. This heavy water sinks and is found in the deeper portions of oceans of the world. A. with B. fresh C. added D. and E. obtained F. until G. or H. as I. freezing

42、 J. higher K. incur L. before M. in N. as O. cause（分数：40.00）解析：O解析：E解析：C解析：G解析：B解析：J解析：A解析：L解析：H解析：I五、Section Writing(总题数：1，分数：30.00)1.Read the text below. Write an essay in about 120 words, in which you should summarize the key points of the text and make comments on them. Try to use your own words

43、. Are you too old for fairy tales? If you think so, Copenhagen is sure to change your mind. See the city first from the water. In the harbor sits Denmark“s best-known landmark, the Little Mermaid. Remember her? She left the world of the Sea People in search of a human soul in one of Hans Christian A

44、ndersen“s beloved fantasies. From the harbor you can get a feel for the attractive “city of green spires“. Copenhagen is a city on a human scale. You“ll usually see them dressed casually, though they are among Europe“s rich people. Danes are taught not to stand out in a crowd. But they do know how t

45、o party, especially during holidays. You don“t have to hurry to walk the city“s center in less than an hour. Copenhagen was the first city to declare a street for pedestrians only. The city has less traffic noise and pollution than any other European capital. Stroll away from the harbor along the ri

46、verbanks, you“ll see the modest Amalienborg Palace first. Completed in the mid-18th century, it still houses the royal family. The Danish Royal Guard is on duty. At noon, you“ll watch the changing of the guard. The guards are not just for show, however. To see them having fun, and to have some fun y

47、ourself, cross Andersens Boulevard and enter Tivoli Gardens. You won“t be alone. More than five million people a year come here. They come to dance, dine, take in outdoor and indoor concerts, see ballets and laugh at the comedy. One tip: Bring a lot of money. About 20 restaurants are among the city“

48、s most expensive. Even without money, you can still enjoy the proud old trees, the colored night lights and the beautiful gardens. You might feel as if you are in a fairy tale. （分数：30.00）_正确答案：()解析：Copenhagen, the capital city of Denmark, is definitely the typical city which can remind you of all th

49、e western fairy tales. When you get the harbor, the first thing comes to your sight is the status of the Little Mermaid, the mark of Denmark. Copenhagen is a city of humanity, and it is the first city to promote a street for pedestrians only. Therefore, the city is less polluted by the car gas and has less noise and traffic jams. The residents here lead a casual life. They are rich, b