[外语类试卷]大学英语六级模拟试卷218及答案与解析.doc

1、大学英语六级模拟试卷 218及答案与解析 一、 Part I Writing (30 minutes) 1 Directions: For this part, you are allowed 30 minutes to write a composition, on the topic No Pains No Gains. Your composition should be based on the outline given below in Chinese. Your part of the composition should be at least 150 words. 1. 请解

2、释 “No Pains No Gains“的含义 ; 2. 举例证明。 二、 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 1-4, mark： Y (for YES) if the statement agrees w

3、ith 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. 1 Giant Panda Characteristics of Giant Pandas The scientific name of Giant Panda is Ailuropoda melanoleuca, which

4、 means “cat-footed animals in black and white color“. An adult panda can be as tall as 1.6 to 1.8 meters with body weight ranging from 60 to 160 kg. Male Giant Pandas are larger than females, and they weigh about l0to 20% heavier. The head of the Giant Panda is large, with a broad round face, flat n

5、ose and round protruding ears. Surrounding the eyes are the characteristic black patches. The ears, limbs and shoulders are covered with black fur while the fur on the other parts of the body is white. Scientists believe that the black and white coloration helps Giant Pandas avoid contact with each

6、other. However, at the same time, this distinctive coloration can help them find each other easily during mating seasons. The fur of the Giant Panda is actually rough, short and very dense. The oily nature of the fur can prevent penetration of moisture, which is an important adaptation to living in

7、humid environment. Giant Pandas ability to see far is weak. However, their auditory and olfactory (嗅觉 ) senses are very strong. Habitat of Giant Pandas They are solely found in Sichuan, and the southwestern parts of Gansu and Shanxi provinces. The Giant Pandas live in bamboo forests ranging from 4,0

8、00 to 11,000 feet above sea level, where it is humid. In winter, they migrate lower down the mountains, while in summer they stay in the higher reaches. The males home range is larger than that of the female. A males home range can be up to 30 square kilometers. Behavior of Giant Pandas Giant Pandas

9、 are most active in the morning and at dusk. Giant Pandas sleep hidden away inside caves and dens which may be a hollow at the bottom of a large tree truck. Giant Pandas are solitary animals. They spend their lives alone, except during mating seasons or when females rear their young. Giant Pandas li

10、ve in well-defined territories. Giant Pandas urinate (小便 ) or scent on trees to warn others of their presence in the territory. They also vocalize, producing sounds such as roaring or bleating (similar to that of a domestic goat), to convey to the others their intentions. Giant Pandas defecate (排便 )

11、 about 48 times a day. In the wild, defecates are useful research materials for scientists, from them information regarding the individual pandas, such as health conditions, and the size of the population in the area, can be gained. Diet of Giant Pandas The Giant Pandas diet is very specific, consis

12、ting entirely of bamboo. As pandas can only absorb about 10-18% of nutrients available in the bamboo they eat, it is necessary for them to cat more than 10 kg of bamboo a day to meet their daily requirement. Wild pandas only eat 40 species of bamboo, and only 2-6 are their favorites. The leaves of t

13、he bamboo are most nutritious and balanced in nutrients. However, the nutritional value of different parts of the bamboo changes according to seasons. Seasonal changes affect the pandas preference of which part of the bamboo to eat. For example, before winter arrives, panda prefers to eat the roots

14、of the bamboo because they contain more water and protein. Reproduction of Giant Pandas The mating season of Giant Pandas ranges from January to June. The female pandas may mate with more than one male in a single mating season to ensure successful fertilization. The gestation (妊娠 ) period ranges fr

15、om 83 to 163 days, and 135 days is the average. It is common to have 1 to 2 cubs (幼崽 ) in a litter (窝 ). However, only one cub will receive enough care from the mother to survive. A panda cub is born blind, and completely helpless, therefore, it demands undivided attention, leaving the mother little

16、 or no time and energy to care for a second cub. To have three cubs in a litter is very rare. A newly-born cub weighs about 90g to130g (3-5oz), in the order of 1/900th of the adults weight. A Giant Panda cub becomes independent of its mother at about I to 1.5 years of age. It leaves its mothers terr

17、itory to establish its own and fends for itself. The female panda is then able to give birth again. Giant Panda Nature Reserves A Giant Panda nature reserve is a wilderness area, home to the Giant Pandas, where they are protected from human activities. So far 33 nature reserves are established by th

18、e Chinese government. In addition to nature reserves, bamboo corridors are necessary to link up the often small and scattered reserve areas so that the pandas can roam to different areas in search for food or mating partners. Nature reserves can also be expanded to allow larger populations of pandas

19、 that can prevent in-breeding. Strict laws are passed down by the Chinese government to protect the nature reserves. For example any form of plant and animal exploitations are prohibited. Offenders may be fined or imprisoned. Residence within the nature reserves is restricted to existing residents o

20、nly. Management plans for nature reserves are carefully designed and reviewed by many levels of government officials. Nature reserves are also home to other rare species such as the red pandas, and golden monkey. Threats to Giant Pandas There are many reasons for the dramatic decrease in the wild po

21、pulation of pandas. These reasons are complex and include factors such as poaching (偷猎 ), habitat destruction and degradation, the pandas low reproductive rate and bamboo flowering, followed by death of the plant. Poaching Giant Pandas are not tasty to eat and its body components bear no known medic

22、inal value. People in the past have poached pandas for exhibitions in zoos, for display in museums and for private collections. Giant Pandas also fall victims of traps that are laid down for other animals. Habitat Destruction Development activities such as deforestation for agricultural land and log

23、ging are on going to cope with the ever increasing population of China. These activities are carried out at the expense of the habitat of the pandas, forcing them to move higher up the mountains and isolating them into discrete groups. In the past two decades, the size of pandas habitat has decrease

24、d by 50%. Low Reproductive Rate The reason for the low reproductive rate of Giant Pandas is due to a combination of factors including: * Highly selective in choosing mating partners. * Receptive period for mating is very short. * Multiple-year gaps in giving birth, due to the long and intensive rear

25、ing period of cubs. * Mortality rate is high amongst infants as they are very helpless and vulnerable. Shortage of Bamboo Bamboo flowering is part of the natural life cycle to produce seedlings for the next generation. For the bamboo species that pandas prefer to eat, they flower every 30-80 years.

26、Due to habitat degradation and destruction, bamboo forests are no longer large and uninterrupted. They are fragmented, separated by development and human settlement which prevent the pandas from roaming freely in search of different species of bamboo to feed in times of need. Animals such as the les

27、ser pandas and monkeys will also eat bamboo. Therefore, there is competition for food with other species of animals as well as amongst the Giant Pandas themselves. Save the Giant Pandas Since habitat loss is a major concern, the Chinese government has set up 33 nature reserves where development and

28、plant and animal exploitations are forbidden. Bamboo corridors are designed to link up fragmented forest areas so that the pandas can migrate to and fro, undisturbed, in search for new food source when the needs arise. Through controlled and successful breeding in captivity (圈养 ), the number of anim

29、als and the species genetic diversity can be increased to stock the wild. Scientists have developed assisted reproduction techniques such as artificial insemination (人工授精 ) for breeding of Giant Pandas in captivity. Artificial insemination has proven to be very successful in the breeding of Giant Pa

30、ndas. In the past, conservation meant excluding people from nature reserves and protected areas. Modern conservation approaches work with the local people who live near or in the panda protected areas. These people are often poor and rely on the panda habitat areas for food. Therefore, conservation

31、also includes helping these people through development that is sustainable and will improve their living without causing further harm to the nature reserves. We can educate them about the Giant Pandas and the values in its conservation. At the same time, we can also show them ways in which they can

32、protect their precious nature reserves. 2 Giant Pandas black and white coloration helps Giant Pandas avoid contact with each other. （ A） Y （ B） N （ C） NG 3 China has sent several pandas to some foreign governments as gifts. （ A） Y （ B） N （ C） NG 4 Wild Giant Pandas are solely found in Sichuan, and t

33、he southwestern parts of Gansu and Shanxi provinces. （ A） Y （ B） N （ C） NG 5 Giant Pandas like to live together in all seasons. （ A） Y （ B） N （ C） NG 6 The oily nature of the Giant Pandas fur can prevent_. 7 The Giant Pandas are most active in the morning and_. 8 The Giant Pandas food, consisting en

34、tirely of_. 9 The average gestation period of Giant Pandas is 10 There are several factors responsible for the dramatic decrease in the Giant Pandas population: poaching,_, the pandas low reproductive rate and bamboo flowering. 11 The Chinese government has set up_where development and plant and ani

35、mal exploitations are forbidden. Section A Directions: 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

36、 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. （ A） 9:25 a.m. （ B） 9:29 a.m. （ C） 9:30 a.m. （ D） 10:00 a.m. （ A） In a hotel. （ B） In a stationer. （ C） In a market. （ D） In a post office. （ A） Shell take the

37、 course together with the man. （ B） Shell not take the course if the man takes it. （ C） Shell not take the course for having to look for a job. （ D） Shell not take the course for having already taken other courses. （ A） The woman should ask her parents for more money. （ B） The woman can live with 10

38、0 for the rest days. （ C） The woman should buy the painting at once. （ D） The woman should not buy the painting. （ A） Adam should make the decision for himself. （ B） Adam plans to spend holiday in Germany and France. （ C） They should be responsible for Adams future. （ D） They should urge Adam to stu

39、dy German or French. （ A） Theyll go to the Italian restaurant. （ B） Theyll go to the Korean restaurant. （ C） They decide not to eat garlic any more. （ D） Theyll invite the mans colleagues to have some Italian food. （ A） The man has borrowed books from the woman. （ B） The woman has borrowed books fro

40、m the man. （ C） The woman would like to give more advice to the man. （ D） The man appreciates the books recommended by the woman. （ A） The manager was depressed by the mans layout. （ B） The manager thought the mans layout was quite accurate. （ C） The manager thought the man was good at target-shooti

41、ng. （ D） The manager was impressed by the mans skills in target-shooting. （ A） Because he has enough money to buy stamps. （ B） Because he used to receive stamps as gifts. （ C） Because stamp collecting is his hobby. （ D） Because he invests in stamps. （ A） He saves money to collect stamps. （ B） He oft

42、en travels to other countries to collect stamps. （ C） He is fond of stamp collecting. （ D） He has collected a lot of stamps. （ A） Because she will see her friend off at the airport. （ B） Because she must catch the plane at the airport. （ C） Because she will meet her friend at the airport. （ D） Becau

43、se she will attend a lecture at 4 oclock. （ A） Information superhighway. （ B） E-commerce. （ C） Junk mails. （ D） How to send e-mails. （ A） She doesnt know how to send e-mails. （ B） She didnt receive the important e-mails. （ C） She lost her mails somewhere. （ D） She received a lot of junk mails. （ A）

44、Because they send them to the wrong person. （ B） Because they send them for pleasure. （ C） Because they can get profits from it. （ D） Because they want to use them as advertisements. （ A） Only a few people will receive junk mails. （ B） People cannot stop junk mails. （ C） Only individuals are under t

45、he threat of junk mails. （ D） Junk mails are threatening the cyber space. Section B Directions: 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

46、choose the best answer from the four choices marked A, B, C and D. （ A） The couple will sell out all their joint possessions. （ B） Women will be more likely to get the possessions of the family. （ C） Men will have more control over family business. （ D） Men will have almost all of the family propert

47、y. （ A） House. （ B） Car. （ C） Family album. （ D） Pets and children. （ A） The severe discriminations towards women in divorce. （ B） Mens inferiority in the court decision over divorce. （ C） Different ideas about which is the most important item in family life. （ D） The differences of different sexes

48、on the possession division. （ A） The destruction process of ozone layer is slowing down. （ B） The ozone layer has been destroyed seriously. （ C） Ozone layer can protect us from strong radiation from the sun. （ D） Ozone is produced by waste gas. （ A） To restore our atmosphere. （ B） To stop refrigerat

49、or-use. （ C） To prevent people from killing insects. （ D） To restrict the use of some pollutants that harm the ozone layer. （ A） C-F-Cs are coolants for air-conditioners. （ B） C-F-Cs arc easy to eliminate. （ C） Farmers and shippers are usually using methyl bromide to kill insects. （ D） Ozone layer will recover very soon as long as we stop using methyl bromide and C-F-Cs. （ A） The grade of the ACT or the SAT. （ B） The high school the applicant studied. （ C） The high school