专业英语四级-184及答案解析.doc

《专业英语四级-184及答案解析.doc》由会员分享，可在线阅读，更多相关《专业英语四级-184及答案解析.doc（10页珍藏版）》请在麦多课文档分享上搜索。

1、专业英语四级-184及答案解析 (总分：100.00，做题时间：90分钟)一、PART DICTATION(总题数：1，分数：40.00)1.Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be done at normal speed, listen and try to understand the meaning. For the second and third readings, th

2、e passage will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds. The last reading will be done at normal speed again and during this time you should check your work. You will then be given 1 minute to check through your work once more. Counting Species（分数：40.00）_二、PART

3、 LISTENING COM(总题数：0，分数：0.00)三、SECTION A TALK(总题数：1，分数：30.00)Chocolate: The Food of the Gods1. The history of chocolate Theobroma cacaofood of the gods people of 1 first learned to grow cacao tree the Maya took the cacao trees from the 2 to home the Maya cooked cacao seeds to make chocolate 3 2. Dar

4、k chocolate protects against 4 returns movement to hardening arteries keeps white blood cells from gathering on blood vessel walls leads to plaque 5 to block the flow of blood 3. Eating too much chocolate gains 6 4. The heart-healthy substance in chocolateflavanols an organic substance help reduce t

5、he risk of heart attack or 7 lower 8 pressure and cholesterol levels improve the bodys use of insulin 5. The manufacture of chocolate destroys many flavanoids adds 9 to improve the taste 6. Scientists wanting to study health benefits of chocolate plan a four-year-long study of 10 adults use differen

6、t pills in two groups to test the benefits of flavanol （分数：30.00）填空项1:_填空项1:_填空项1:_填空项1:_填空项1:_填空项1:_填空项1:_填空项1:_填空项1:_填空项1:_四、SECTION B CONVERSATI(总题数：2，分数：30.00)（分数：15.00）A.Doctors degree.B.Masters degree.C.Bachelors degree.D.None.A.Its not romantic at all.B.Its expensive.C.Its hard to get graduat

7、ed.D.It will be easy to find a job in the future.A.Getting business loans.B.Getting student loans.C.Borrowing from her family.D.Doing some part-time jobs,A.Business Management.B.English Literature.C.English Marketing,D.Environmental Studies.(5).A, She should have a supportive husband. B. She can tak

8、e this idea slow. C. She can take some courses more marketable. D. Going back to school is possible.（分数：3.00）A.B.C.D.（分数：15.00）A.There was a bit of turbulence.B.A guy snored all through the night.C.The stewardess didnt wake up the guy.D.He didnt get any sleep.A.Visiting the factory and company.B.A t

9、rip to the Great Wall.C.Doing some shopping.D.Buying a return ticket.A.Silk.B.China.C.Flowers.D.Clothes.A.Chinese antiques.B.Fakes of scrolls.C.Reproductions of traditional paintings.D.A bathrobe or a shawl.A.Software.B.Music.C.Old-style Chinese suits.D.Computer games.专业英语四级-184答案解析 (总分：100.00，做题时间：

10、90分钟)一、PART DICTATION(总题数：1，分数：40.00)1.Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be done at normal speed, listen and try to understand the meaning. For the second and third readings, the passage will be read sentence

11、by sentence, or phrase by phrase, with intervals of 15 seconds. The last reading will be done at normal speed again and during this time you should check your work. You will then be given 1 minute to check through your work once more. Counting Species（分数：40.00）_正确答案：()解析：听力原文 Its generally accepted

12、that many species have yet to be discovered, / but until now nobody has devised a reliable way. / Suggestions for total numbers have ranged from 3 million to 100 million, / but most of these have been no more than intelligent guesses. / Scientists from the Census of Marine Life devised a counting me

13、thod / by identifying numerical patterns linking data on known species. / They believe that there should be about 8.7 million types of living things, / three quarters of them animals and the rest plants. / The scientists warn that human activity is hastening extinction. / Many of the unknown species

14、 may disappear before we discover them. 解析 本文主题：地球上的物种。本文是一篇科普说明文，有一些大数字，如3 million，100 million，在听写时需注意。文中需要注意的较易拼错的单词有“species，reliable，intelligent，census，marine，numerical”，需要注意时态和单复数的单词有“devised，patterns，quarters，extinction”。二、PART LISTENING COM(总题数：0，分数：0.00)三、SECTION A TALK(总题数：1，分数：30.00)Chocol

15、ate: The Food of the Gods1. The history of chocolate Theobroma cacaofood of the gods people of 1 first learned to grow cacao tree the Maya took the cacao trees from the 2 to home the Maya cooked cacao seeds to make chocolate 3 2. Dark chocolate protects against 4 returns movement to hardening arteri

16、es keeps white blood cells from gathering on blood vessel walls leads to plaque 5 to block the flow of blood 3. Eating too much chocolate gains 6 4. The heart-healthy substance in chocolateflavanols an organic substance help reduce the risk of heart attack or 7 lower 8 pressure and cholesterol level

17、s improve the bodys use of insulin 5. The manufacture of chocolate destroys many flavanoids adds 9 to improve the taste 6. Scientists wanting to study health benefits of chocolate plan a four-year-long study of 10 adults use different pills in two groups to test the benefits of flavanol （分数：30.00）填空

18、项1:_（正确答案：Central America。）解析： Central America。 听力原文 Chocolate: The Food of the GodsGood morning, everyone! Today we will explore the history of chocolatea favorite food for many people. Researchers have known for some time that chocolate is good for the heart. We will look at a study that shows why

19、 this is so. We also will talk about the health effects of dark chocolate. The history of chocolate begins with a plant whose scientific nameTheobroma cacaomeans food of the gods. For centuries, people have been enjoying the rich flavor of chocolate, a product made from this plant. Historians believ

20、e the Mayan people of Central America first learned to farm cacao plants around 2,000 years ago. The Maya took the cacao trees from the rainforests and grew them around their homes. They cooked the cacao seeds, and then crushed them into a soft paste. They mixed the paste with water and flavorful sp

21、ices to make an unsweetened chocolate drink. Researchers have known that chocolateespecially dark chocolateis good for the heart. Now, they know why. Besides tasting good, researchers have found that dark chocolate protects against heart disease in two ways: it returns movement to hardening arteries

22、. It also keeps white blood cells from gathering on blood vessel walls. Both of these conditions can lead to plaque formation. Plaque can block the flow of blood, causing heart disease. The heart-healthy substance in chocolate is an organic substance called flavanol. Flavanols are also found in vege

23、tables, fruits and green tea. Although dark chocolate has been shown to help prevent heart disease. Eating too much of it may cause people to gain weight. Now, scientists are looking for a way to put dark chocolates helpful ingredientsor partsinto pills. That way, we can get the benefits of dark cho

24、colate, but not the weight gain. Cacao has flavanols that may help reduce the risk of heart attack or stroke. These chemicals may lower blood pressure and cholesterol levels, and improve the bodys use of insulin. Insulin helps control the amount of glucose or sugar in the blood. Dark chocolate is an

25、 increasingly popular product, because people love it, and they also have been reading all about the health benefits of dark chocolate. But those health benefits have yet to be confirmed in studies involving large numbers of people. Also, during the manufacture of chocolate, many flavanoids are dest

26、royed, while sugar and fats are added to make the chocolate taste better. Scientists want to learn the benefits of flavanols before they are changed in the manufacturing process. They have announced plans for a four-year-long study of 18,000 adults. The subjects will take small amounts of pure cacao

27、 flavanols. The study is believed to be the largest of its kind. The subjects in the new study are to be separated into two groups. Members of one group will take pills containing flavanols. The other group will take placebo pillssubstances that do not have anything in them, other than, perhaps, sug

28、ar. Well, the flavanol benefits test is just starting. So for now, people will have to get their flavanols the tasty way, that is, by eating dark chocolate! Ok, thats all for todays talk. I hope you all enjoy it and find it informative. 解析 信息题。根据录音可知历史学家认为2000多年前，中美洲的人们最早学会种植可可树。 填空项1:_（正确答案：rainfor

29、ests。）解析： rainforests。解析 细节题。根据录音“The Maya took the cacao trees from the rainforests and grew them around their homes.”可知玛雅人把可可树从热带雨林带回家种植。 填空项1:_（正确答案：drink。）解析： drink。解析 信息题。根据录音“They cooked the cacao seeds, and then crushed them into a soft paste. They mixed the paste with water and favorful spic

30、es to make an unsweetened chocolate drink.”可知玛雅人将可可种子煮熟，再碾碎，混合水和其他调料，最终做成巧克力饮品。因此填入drink一词。 填空项1:_（正确答案：heart disease。）解析： heart disease。解析 信息题。录音中提到“.researchers have found that dark chocolate protects against heart disease in two ways.”。against是提示词。 填空项1:_（正确答案：formation。）解析： formation。解析 细节题。根据录音

31、“Both of these conditions can lead to plaque formation. Plaque can block the flow of blood, causing heart disease.”可知，黑巧克力中的有益成分可以促使血小板的形成。 填空项1:_（正确答案：weight。）解析： weight。解析 细节题。根据录音可知吃太多的巧克力会增加体重，得到答案weight。 填空项1:_（正确答案：stroke。）解析： stroke。解析 细节题。根据录音“Cacao has flavanols that may help reduce the ris

32、k of heart attack or stroke.”可知此处应填入stroke一词。 填空项1:_（正确答案：blood。）解析： blood。解析 细节题。录音中提到“These chemicals may lower blood pressure and cholesterol levels, and improve the bodys use of insulin.”由此可知flavanols的作用包括降血压。 填空项1:_（正确答案：sugar and fats。）解析： sugar and fats。解析 细节题，录音提到在工厂生产巧克力过程中“.many flavanoids

33、 are destroyed, while sugar and fats are added to make the chocolate taste better.”可知答案。 填空项1:_（正确答案：18,000。）解析： 18,000。解析 数字题，根据录音这项研究共有18000名成年人参加，时长为4年。“They have announced plans for a four-year-long study of 18,000 adults.”可知答案为18000。 四、SECTION B CONVERSATI(总题数：2，分数：30.00)（分数：15.00）A.Doctors deg

34、ree.B.Masters degree.C.Bachelors degree.D.None.解析：听力原文 W: Hey, Charlie! Want to join me for lunch.my treat! I really want to pick your brain about something Ive been thinking a lot about. M: Wow! Sure! Thank you, Lisa. W: Well, as you know, I have a Bachelors degree in English Literature and thats s

35、erved me well so far, but Ive always wanted to do some post-graduate work.maybe even get a Doctorate! M: Wow! Just the idea of going back to school fills my head with pain. W: But you have a Masters degree.hasnt that helped your career? M: Yeah, Id have to say it has. But Im still paying for it, you

36、 know. W: I know education is expensive, but its been my lifelong dream. Call me crazy, but Ive always wanted to have that PhD at the end of my name. M: Well, getting a Doctorate degree would mean close to a decade of school. Can you afford that? Can you survive that? W: I certainly cant afford it,

37、but Im sure I could find some good student loans. M: I think you need to separate the dream of having a PhD from the reality of years of more schooling. Its not as romantic as you might think. W: Yeah.I keep thinking about what Ill do with a Masters or Doctorate. I love language, but I dont think th

38、ere are a lot of well-paying jobs out there for experts on Shakespeare. M: Uh huh, thats for sure. You might find that your only career choice is teaching other graduate students. M: I got my Masters in Business Management. Its helped my career, but it took several years of hard studying. If I didnt

39、 have a supportive family and a wife with a good job, I dont think I could have done it. W: So youre counseling me against this idea? M: Not necessarily, but I do recommend taking a slow approach. Can you take some night classes or find some way to keep working while you go back to school? W: Might

40、be difficult. M: Maybe you could get an MBA or something more marketable. W: Thats worth considering. M: I got my BA from Brown University. My major was Environmental Studies, but that hasnt been as useful as the business courses I took. W: Or maybe I should just take some courses that Im interested

41、 in, but skip the Masters. M: Thats another idea, but if you really have a dream, dont let anything stop you from going for it! Going back to school is hard, but its not impossible. W: Youre right! I need to decide if this is truly what I want. M: And take your time. Youre still young. Maybe theres

42、even a correspondence course you can take during your free time. W: Yeah! Then I could slowly build up credits and maybe later transfer into a university program. M: There you go! Thats some clear thinking. W: I guess I just love learning! I remember the day my SAT test scores came back.I was so exc

43、ited! M: (chuckle) I dont remember loving school quite so much.most of the time I was either bored or totally stressed out. But like I said earlier, if you have a dream, dont let anything hold you back! What degree does Lisa have now? 解析 信息题。考查的是Lisa现有的学位。录音中提到“I have a Bachelors degree in English L

44、iterature and thats served me well so far.”可见Lisa获得了英语文学的学士学位。A.Its not romantic at all.B.Its expensive.C.Its hard to get graduated.D.It will be easy to find a job in the future.解析：听力原文 Which is not the fact of doctorate according to Charlie? 解析 归纳题。关于博士学位，“Can you afford that? Can you survive that?

45、”Shirley连续提了两个问题，可见读博士费用比较高而且课程很难，比较难毕业。后来又提到“I think you need to separate the dream of having a PhD from the reality of years of more schooling. Its not as romantic as you might think.”可见读博士并不是那么美好的。D并没有提及，而且从前文可以听出，即使读了研究生也还是比较难找工作。A.Getting business loans.B.Getting student loans.C.Borrowing from her family.D.Doing some part-time jobs,解析：听力原文 How does Lisa think about solving the problem of fees if she wants to apply for a doctorate? 解析 细节题。关于费用怎么解决，录音中Lisa说道“I certainly cant afford it, but Im sure I could find some good student loans.”可见Lisa不能自己支