大学英语四级73及答案解析.doc

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1、大学英语四级 73 及答案解析(总分：746.58，做题时间：130 分钟)一、Writing (30 minutes)(总题数：1，分数：30.00)1.For this part, you are required to write a composition on the topic College English Teaching in China according to the following outline (given in Chinese). Your composition should be no less than 120 words. Remember to wr

2、ite your composition on the Answer Sheet 1 clearly and neatly. 1. 有人认为中国的大学英语教学很不成功。 2. 失败的原因是 3. 我的建议 （分数：30.00）_二、Reading Comprehensio(总题数：1，分数：71.00)Wild Foods of Australia Over 120 years ago, the English botanist (植物学家) J.D. Hooker, writing of Australia edible plants, suggested that many of them

3、 were eatable but not worth eating. Nevertheless, the Australian flora (植物群), together with the fauna 动物群), supported the Aboriginal people before the arrival of Europeans. The Aborigines were not farmers and were wholly dependent for life on the wild products around them. They learned to eat, often

4、 after treatment, a wide variety of plants. The conquering Europeans displaced the Aborigines, killing many, driving others from their traditional tribal lands, and eventually settling many of the tribal remains on government reserves, where flour and beef replaced nardoo (大柄苹) and wallaby (小袋鼠) as

5、main foods. And so, gradually, the vast store of knowledge, accumulated over thousands of years, fell into disuse. Much was lost. However, a few European men took an intelligent and even respectful interest in the people who were being displaced. Explorers, missionaries, botanists, naturalists and g

6、overnment officials observed, recorded and, fortunately in some cases, published. Today, we can draw on these publications to form the main basis of our knowledge of the edible, natural products of Australia. The picture is no doubt mostly incomplete. We can only guess the number of edible plant on

7、which no observation was recorded. Not all our information on the subject comes from the aborigines. Times were hard in the early days of European settlement, and traditional foods were often in short supply or impossibly expensive for a pioneer trying to establish a farm in the bush. And so necessi

8、ty led to experimentation, just as it must have done for the Aborigines, and experimentation led to some lucky results. So far as is know, the Aborigines made no use of Leptospermum or Dodonaea as food plants, yet the early settlers found that one could be used as a substitute for tea and the other

9、for hops (啤酒花).These plants are not closely related to the species they replaced, so their use was not based on botanical observation. Probably some experiments have less happy endings; L. J. Webb has used the expression eat, die and learn in connection with the Aboriginal experimentation, but it wa

10、s the successful attempts that became widely known. It is possible the edibility of some native plants used by the Aborigines was discovered independently by the European settlers or their descendants. Explorers making long expeditions found it impossible to carry sufficient food for the whole journ

11、ey and were forced to rely, in part, on food that they could find on the way. Still another source of information comes from the practice in other countries. There are many species from northern Australia which occur also in southeast Asia, where they are used for food. In general, those Aborigines

12、living in the dry inland areas were largely dependent for their vegetable foods on seed such as those of grasses, acacias (刺槐, 毛洋槐) and eucalypts (桉树). They ground these seeds between flat stones to make coarse flour. Tribes on the coast, and particularly those in the neighborhood of coastal rainfor

13、ests, had a more varied vegetable diet with a higher proportion of fruits and tubers. Some of the coastal plants, even if they had grown inland, probably would have been unavailable as food since they required prolonged washing or soaking to render them non-poisonous; many of the inland tribes could

14、 not obtain water in the quantities necessary for such treatment. There was also considerable variation in the edible plants available to Aborigines in different latitudes. In general, the people who lived in the moist tropical areas enjoyed a much greater variety than those in the southern part of

15、Australia. With all the hundreds of plants species used for food by the Australian Aborigines, it is perhaps surprising that only one, the Queensland nut, has entered into commercial cultivation as a food plant The reason for this probably does not lie with an intrinsic(本质的) lack of potential in Aus

16、tralian flora, but rather with the lack of exploitation of this potential. In Europeans came, the Aborigines practiced on agriculture and so there was no opportunity for such improvement, either deliberate or unconscious, in the quality of the edible plants. Since 1788, there has, of course, been op

17、portunity for selection of Australian food plants which might have led to the production of varieties that were worth cultivating. But Australian plants have probably missed the bus. Food plants from other regions were already so far in advance after a long tradition of cultivation that it seemed ha

18、rdly worth starting working on Australian species. Undoubtedly, the native raspberry, for example, could, with suitable selection and breeding programs, be made to yield a high-class fruit; but Australians already enjoy good raspberries (树莓) from other areas of the world and unless some dedicated am

19、ateur plant breeder takes up the task, the Australian raspberries are likely to remain unimproved. And so, today, as the choice of which food plants to cultivate in Australia has been largely decided, and as there is little chance of being lost long periods in the bush, our interest in the subject o

20、f Australian food plants tends to relate to natural history rather than to practical necessity. （分数：71.00）(1).Most of the pre-European Aboriginal knowledge of wild foods has been recovered.（分数：7.10）A.YB.NC.NG(2).There were few food plants unknown to pre-European Aborigines.（分数：7.10）A.YB.NC.NG(3).Eur

21、opeans learned all of a plant used for food by both pre-European Aborigines and European settlers.（分数：7.10）A.YB.NC.NG(4).Dodonaea is an example of a plants used for food by both pre-European Aborigines and European settlers.（分数：7.10）A.YB.NC.NG(5).Some Australian food plants are botanically related t

22、o plants outside Australia.（分数：7.10）A.YB.NC.NG(6).Pre-European Aboriginal tribes closer to the coast had access to a greater variety of food plants then tribes further inland.（分数：7.10）A.YB.NC.NG(7).Some species of coastal food plants were also found inland.（分数：7.10）A.YB.NC.NG(8).So far as is know, t

23、he Aborigines made no use of_ as food plants.（分数：7.10）_(9).With all the hundreds of plants species used for food by the Australian Aborigines, only_ has entered into commercial cultivation as a food plant.（分数：7.10）_(10).Today, our interests in the subject of Australian food plants are more concerned

24、 with_ rather than_.（分数：7.10）_三、Listening Comprehens(总题数：1，分数：15.00)A.Phillips will not be in this office at all this week.B.He will be here on Tuesday only.C.Hell be here on Monday, Wednesday and Friday.D.Hell be at this office on Tuesday and Thursday.A.She has never eaten such delicious oranges be

25、fore.B.She bets there are better oranges available.C.She doesnt understand why the man likes the oranges.D.She has had the same oranges before.A.She didnt go to Chicago.B.She had a good time in Chicago.C.She spent her vacation here.D.She didnt enjoy her trip.A.She will type it next week.B.She would

26、rather work on it than do nothing.C.It took her an entire week to type it.D.She still hasnt quite finished with it.A.It is the only book for her philosophy class.B.All the classes have a lot of reading.C.She just has to read for her philosophy class.D.Only the philosophy class has a lot of reading.A

27、.If Phil is lucky, he might get a scholarship.B.There is no way in which Phil can win a scholarship.C.Phil is not going to chance his luck and try for a scholarship.D.Phil is not being given a chance to get a scholarship.A.Jack was expected to pass the exam.B.Jack surprised everybody by taking his e

28、xam again.C.No one really expected Jack to pass exams.D.Jack wasnt expected to fail his exams again.A.Better.B.Sick.C.Fine.D.Tired.四、Section B(总题数：2，分数：10.00)A.Soured milk.B.Traps of advertising.C.Sales at T Mart.D.A careless purchase.A.Late Sunday evening.B.Early Saturday morning.C.Late Saturday ev

29、ening.D.Early Sunday morning.A.Because the milk she bought at a discount would expire soon.B.Because she did not save 50% on all of the items she purchased.C.Because she ignored the fact the lower the prices the lower quality the products.D.Because she did not realize that all sales are used to chea

30、t customers.A.She is not sure whether to get a credit card or not.B.She is not sure how to use a credit card.C.She is not sure which credit card to choose.D.She is not sure how much credit line she needs.A.Her interest charges are very high after the grace period.B.She can be cut off from using your

31、 card.C.She is charged nothing until that date onwards.D.She can keep track of her finances.A.Find out more from research.B.Find out more by talking to the bank staff.C.Take some time before actually making a decision.D.Compare a range of options.A.Courses in British history.B.Language courses.C.Cou

32、rses in sports.D.Teacher training courses.A.To attract more students.B.To make the courses suitable for students of all levels.C.To let the students have a good rest.D.To make the summer school more like a holiday.A.Because they all work very hard.B.Because their teachers are all native speakers of

33、English.C.Because they learn not only in but also out of class.D.Because they are all advanced students.A.2nd largest in the world.B.3rd largest in the world.C.4th largest in the world.D.5th largest in the world.A.There are more jobs there.B.It is warmer there.C.It rains more there.D.The living cost

34、 is low there.A.Toronto.B.Winnipeg.C.Edmonton.D.Rocky Mountains.A.It would be normal if the car took just four seconds.B.It would be normal if the car took six seconds.C.It would be normal if the car took less than three seconds.D.It would be normal if the car took less than six minutes.A.A speed li

35、mit.B.A speed-check.C.A distance measurement.D.A traffic-sign.A.By hiding behind the hedge and timing vehicles.B.By measuring the speed.C.By writing down their names.D.By taking down their car numbers.A.There were no motorists coming and going.B.The motorists drove too slowly.C.Some two students pla

36、yed a trick.D.The police placed a notice.六、Section C(总题数：1，分数：10.00)Very few people can get a college degree before 11, but Michael was an (36) 1. He started high school when he was 5, finishing in just nine months. He became the (37) 2youngest college graduate when he was 10 years and 4 months old,

37、 earning an (38) 3degree. Now at 11 Michaels working on a masters degree in (39) 4intelligence. But Michaels (40) 5hasnt always come easy. (41) 6his intelligence, he still lacks important life (42) 7. In one class, he had to struggle to understand (43) 8novels, because, he says, “Im 11. Ive never be

38、en in love before.“ Another challenge was his size.(44) 9. He likes computers so much (45) 10. He wants to make robots do all the heavy tasks. (46) 11. （分数：10.00）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:_填空项 1:_七、Reading Comprehensio(总题数：2，分数：355.00)Psychiatrists (精神病专家)

39、who work with older parents say that maturity can be an asset in child rearing older parents are more thoughtful, use less physical discipline and spend more time with their children. But raising kids takes money and energy. Many older parents find themselves balancing their limited financial resour

40、ces, declining energy and failing health against the growing demands of an active child. Dying and leaving young children is probably the older parents biggest, and often unspoken, fear. Having late-life children, says an economics professor, often means parents, particularly fathers, “end up retiri

41、ng much later.“ For many, retirement becomes an unobtainable dream. Henry Metcalf, a 54-year-old journalist, knows it takes money to raise kids. But hes also worried that his energy will give out first. Sure, he can still ride bikes with his athletic fifth grader, but hes learned that young at heart

42、 doesnt mean young. Lately hes been taking afternoon naps (午睡) to keep up his energy. “My body is aging,“ says Metcalf. “You cant get away from that.“ Often, older parents hear the ticking of another kind of biological clock. Therapists who work with middle-aged and older parents say fears about agi

43、ng are nothing to laugh at. “They worry theyll be mistaken for grandparents, or that theyll need help getting up out of those little chairs in nursery school,“ says Joann Galst, a New York psychologist. But at the core of those little fears there is often a much bigger one: “that they wont be alive

44、long enough to support and protect their child,“ she says. Many late-life parents, though, say their children came at just the right time. After marrying late and undergoing years of fertility (受孕) treatment, Marilyn Nolen and her husband. Randy, had twins. “We both wanted children,“ says Marilyn, w

45、ho was 55 when she gave birth. The twins have given the couple what they desired for years, “a sense of family.“ Kids of older dads are often smarter, happier and more sociable because their fathers are more involved in their lives. “The dads are older, more mature,“ says Dr. Silber, “and more ready

46、 to focus on parenting.“ （分数：177.50）(1).Why do psychiatrists regard maturity as an asset in child rearing?（分数：35.50）A.Older parents are often better prepared financially.B.Older parents can take better care of their children.C.Older parents are usually more experienced in bringing up their children.

47、D.Older parents can better balance their resources against childrens demands.(2).What does the author mean by saying “For many, retirement becomes an unobtainable dream“ (Lines 7-8, Para. 1)?（分数：35.50）A.They are reluctant to retire when they reach their retirement age.B.They cant obtain the retirement benefits they have dreamed of.C.They cant get full pension unless they work some extra years.D.They have to go on working beyond their retirement age.(3).The author gives the example of Henry Metcalf to show that_.（分数：35.50）A.older parents shou