大学四级-228及答案解析.doc

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1、大学四级-228 及答案解析(总分：693.00，做题时间：90 分钟)一、BPart Writing(总题数：1，分数：106.00)1.1. 课堂学习很重要 2. 然而，有人认为课外可以学到更多的知识 3. 我的看法（分数：106.00）_二、BPart Reading (总题数：1，分数：70.00)BLandfills/BYou have just finished your meal at a fast food restaurant and you throw your uneaten food, food wrappers, drink cups, utensils and na

2、pkins into the trash can. You dont think about that waste again. On trash pickup day in your neighborhood, you push your can out to the curb, and workers dump the contents into a big truck and haul it away. You dont have to think about that waste again, either. But maybe you have wondered, as you wa

3、tch the trash truck pull away, just where that garbage ends up.Americans generate trash at an astonishing rate of four pounds per day per person, which translates to 600.000 tons per day or 210 million tons per year! This is almost twice as much trash per person as most other major countries. What h

4、appens to this trash? Some gets recycled (回收利用) or recovered and some is burned, but the majority is buried in landfills.BHow Much Trash Is Generated?/BOf the 210 million tons of trash, or solid waste, generated in the United States annually, about 56 million tons, or 27 percent, is either recycled

5、(glass, paper products, plastic, metals) or composted (做成堆肥) (yard waste). The remaining trash, which is mostly unrecyclable, is discarded.BHow Is Trash Disposed of?/BThe trash production in the United States has almost tripled since 1960. This trash is handled in various ways. About 27 percent of t

6、he trash is recycled or composted, 16 percent is burned and 57 percent is buried in landfills. The amount of trash buried in landfills has doubled since 1960. The United States ranks somewhere in the middle of the major countries (United Kingdom, Canada, Germany, France and Japan) in landfill dispos

7、al. The United Kingdom ranks highest, burying about 90 percent of its solid waste in landfills.BWhat Is a Landfill?/BThere are two ways to bury trash: Dump-an open hole in the ground where trash is buried and that is full of various animals (rats, mice, birds). (This is most peoples idea of a landfi

8、ll!) Landfill-carefully designed structure built into or on top of the ground in which trash is isolated from the surrounding environment (groundwater, air, rain). This isolation is accomplished with a bottom liner and daily covering of soil. Sanitary landfill-landfill that uses a clay liner to isol

9、ate the trash from the environment Municipal solid waste (MSW) landfilllandfill that uses a synthetic (plastic) liner to isolate the trash from the environment.The purpose of a landfill is to bury the trash in such a way that it will be isolated from groundwater, will be kept dry and will not be in

10、contact with air. Under these conditions, trash will not decompose (腐烂) much. A landfill is not like a compost pile, where the purpose is to bury trash in such a way that it will decompose quickly.BProposing the Landfill/BFor a landfill to be built, the operators have to make sure that they follow c

11、ertain steps. In most parts of the world, there are regulations that govern where a landfill can be placed and how it can operate. The whole process begins with someone proposing the landfill.In the United States, taking care of trash and building landfills are local government responsibilities. Bef

12、ore a city or other authority can build a landfill, an environmental impact study must be done on the proposed site to determine: the area of land necessary for the landfill the composition of the underlying soil and bedrock the flow of surface water over the site the impact of the proposed landfill

13、 on the local environment and wildlife the historical value of the proposed siteBBuilding the Landfill/BOnce the environmental impact study is complete, the permits are granted and the funds have been raised, then construction begins. First, access roads to the landfill site must be built if they do

14、 not already exist. These roads will be used by construction equipment, sanitation (环卫) services and the general public. After roads have been built, digging can begin. In the North Wake County Landfill, the landfill began 10 feet below the road surface.BWhat Happens to Trash in a Landfill?/BTrash p

15、ut in a landfill will stay there for a very long time. Inside a landfill, there is little oxygen and little moisture. Under these conditions, trash does not break down very rapidly. In fact, when old landfills have been dug up or sampled, 40-year-old newspapers have been found with easily readable p

16、rint. Landfills are not designed to break down trash, merely to bury it. When a landfill closes, the site, especially the groundwater, must be monitored and maintained for up to 30 years!BHow Is a Landfill Operated?/BA landfill, such as the North Wake County Landfill, must be open and available ever

17、y day. Customers are typically municipalities and construction companies, although residents may also use the landfill.Near the entrance of the landfill is a recycling center where residents can drop off recyclable materials (aluminum cans, glass bottles, newspapers and paper products). This helps t

18、o reduce the amount of material in the landfill. Some of these materials are banned from landfills by law because they can be recycled.As customers enter the site, their trucks are weighed at the scale house. Customers are charged tipping fees for using the site. The tipping fees vary from 10 to 40

19、per ton. These fees are used to pay for operation costs. The North Wake County Landfill has an operating budget of approximately 4. 5 million, and part of that comes from tipping fees.Along the site, there are drop-off stations for materials that are not wanted or legally banned by the landfill. A m

20、ulti-material drop-off stations used for tires, motor oil, lead-acid batteries. Some of these materials can be recycled.In addition, there is a household hazardous waste drop-off station for chemicals (paints, pesticides, other chemicals) that are banned from the landfill. These chemicals are dispos

21、ed of by private companies. Some paints can be recycled and some organic chemicals can be burned in furnaces or power plants.Other structures alongside the landfill are the borrowed area that supplies the soil for the landfill, the runoff collection pond and methane (甲烷) station.Landfills are compli

22、cated structures that, when properly designed and managed, serve an important purpose. In the future, new technologies called bioreactors will be used to speed the breakdown of trash in landfills and produce more methane.（分数：70.00）(1).The passage gives a general description of the structure and use

23、of a landfill.（分数：7.00）A.B.C.D.(2).Most of the trash that Americans generate ends up in landfills.（分数：7.00）A.B.C.D.(3).Compared with other major industrialized countries, America buries a much higher percentage of its solid waste in landfills.（分数：7.00）A.B.C.D.(4).Landfills are like compost piles in

24、that they speed up decomposition of the buried trash.（分数：7.00）A.B.C.D.(5).In most countries the selection of a landfill site is governed by rules and regulations.（分数：7.00）A.B.C.D.(6).In the Untied States the building of landfills is the job of both federal and local governments.（分数：7.00）A.B.C.D.(7).

25、Hazardous wastes have to be treated before being dumped into landfills.（分数：7.00）A.B.C.D.(8).Typical customers of a landfill are _.（分数：7.00）填空项 1:_(9).To dispose of a ton of trash in a landfill, customers have to pay a tipping fee of _.（分数：7.00）填空项 1:_(10).Materials that are not permitted to be burie

26、d in landfills should be dumped at _.（分数：7.00）填空项 1:_三、BPart Listenin(总题数：7，分数：252.00)Section AQuestions 11 to 18 are based on the conversation you have just heard.（分数：56.00）A.The man hates to lend his tools to other people.B.The man hasnt finished working on the bookshelf.C.The tools have already b

27、een returned to the woman.D.The tools the man borrowed from the woman are missing.A.Save time by using a computer.B.Buy her own computer.C.Borrow Marthas computer.D.Stay home and complete her paper.A.He has been to Seattle many times.B.He has chaired a lot of conferences.C.He holds a high position i

28、n his company.D.He lived in Seattle for many years.A.Teacher and student.B.Doctor and patient.C.Manager and office worker.D.Travel agent and customer.A.She knows the guy who will give the lecture.B.She thinks the lecture might be informative.C.She wants to add something to her lecture.D.Shell finish

29、 her report this weekend.A.An art museum.B.A beautiful park.C.A college campus.D.An architectural exhibition.A.The houses for sale are of poor quality.B.The houses are too expensive for the couple to buy.C.The housing developers provide free trips for potential buyers.D.The man is unwilling to take

30、a look at the houses for sale.A.Talking about sports.B.Writing up local news.C.Reading newspapers.D.Putting up advertisements.Questions 19 to 22 are based on the conversation you have just heard.（分数：28.00）A.The benefits of strong business competition.B.A proposal to lower the cost of production.C.Co

31、mplaints about the expense of modernization.D.Suggestions concerning new business strategies.A.It cost much more than its worth.B.It should be brought up-to-date.C.It calls for immediate repairs.D.It can still be used for a long time.A.The personnel manager should be fired for inefficiency.B.A few e

32、ngineers should be employed to modernize the factory.C.The entire staff should be retrained.D.Better-educated employees should be promoted.A.Their competitors have long been advertising on TV.B.TV commercials are less expensive.C.Advertising in newspapers alone is not sufficient.D.TV commercials att

33、ract more investments.Questions 23 to 25 are based on the conversation, you have just heard.（分数：21.00）A.Searching for reference material.B.Watching a film of the 1930s.C.Writing a course book.D.Looking for a job in a movie studio.A.Its too broad to cope with.B.Its a bit outdated.C.Its controversial.

34、D.Its of little practical value.A.At the end of the online catalogue.B.At the Reference Desk.C.In The New York Times.D.In the Readers Guide to Periodical Literature,BSection B/BBPassage OneQuestions 26 to 28 are based on the passage you have just heard./B（分数：21.00）A.Synthetic fuel.B.Solar energy.C.A

35、lcohol.D.Electricity.A.Air traffic conditions.B.Road conditions.C.Traffic jams on highways.D.New traffic rules.A.Go through a health check,B.Arrive early for boarding.C.Take little luggage with them.D.Undergo security checks.BPassage TwoQuestions 29 to 31 are based on the passage you have just heard

36、./B（分数：21.00）A.Beauty.B.Loyalty.C.Luck.D.Durability.A.He wanted to follow the tradition of his country.B.He believed that it symbolized an everlasting marriage.C.It was thought that a blood vessel in that finger led directly to the heart.D.It was supposed that the diamond on that finger would bring

37、good luck.A.The two people can learn about each others likes and dislikes,B.The two people can have rime to decide if they are a good match,C.The two people can have time to shop for their new home.D.The two people can earn enough money for their wedding.BPassage ThreeQuestions 32 to 35 are based on

38、 the passage you have just heard./B（分数：28.00）A.Because there are no signs to direct them.B.Because no tour guides are available.C.Because all the buildings in the city look alike.D.Because the university is everywhere in the city.A.They set their own exams.B.They select their own students.C.They awa

39、rd their own degrees.D.They organize their own laboratory work.A.Most of them have a long history.B.Many of them are specialized libraries.C.They house more books than any other university library.D.They each have a copy of every book published in Britain.A.Very few of them are engaged in research.B

40、.They were not awarded degrees until 1948,C.They have outnumbered male students.D.They were not treated equally until 1881.BSection C/BRussia is the largest economic power that is not a member of the World Trade Organization. But that may change. Last Friday, the European Union said it would support

41、 Russias U(36) /Uto become a WTO member.Representatives of the European Union met with Russian U(37) /U in Moscow. They signed a trade agreement that took six years to U(38) /URussia called the trade agreement U(39) /U. It agreed to slowly increase fuel prices within the country. It also agreed to p

42、ermit U(40) /U in its communications industry and to remove some barriers to trade.In U(41) /U for European support to join the WTO, Russian President Putin said that Russia would speed up the U(42) /U to approve the Kyoto Protocol, an international U(43) /U agreement to reduce the production of har

43、mful industrial gases. U(44) /U.Russia had signed the Kyoto Protocol, but has not yet approved it. The agreement takes effect when it has been approved by nations that produce at least 55 percent of the worlds greenhouse gases.U (45) /U. The United States, the worlds biggest producer, withdrew from

44、the Kyoto Protocol after President Bush took office in 2001. So, Russias approval is required to put the Kyoto Protocol into effect.U (46) /U. Russia must still reach agreements with China, Japan, South Korea and the United States.（分数：77.00）(1).（分数：7.00）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

45、1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_四、BPart Reading (总题数：3，分数：170.00)BSection A/BJapan is becoming a fast-breeder of youth culture, with its population of relatively rich youngsters who have short attention spans and intense love for new fads. One reason for the spread of the Japanese youth culture is th

46、at it provides an Asian U(47) /U to popular culture in ways unimaginable to Western artists and designers. While the American comic-book U(48) /U Superman flies solo to protect the good and fight evil, his Japanese counterpart Ultraman stood with brothers and cousins in groups attacks. Japanese anim

47、ated (动画) films U(49) /U heavily from Chinese myths and traditions.Nowhere is the Japanese elements stronger than in the U(50) /U business; Younger Japanese designers are U(51) /U looking toward Asia because of its growing young population and thirst for smart appearance. Why go to Europe to dress tall blondes while Asian have the fashion sense and bodies to U(52) /U Japanese designers? Ellena, 17, a Hong Kong student agrees, “If I buy a pair of European jeans, I have to U(53) /U them up several inches, and they are still too baggy, but Ja