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四六级历年真题:2017大学英语四级考试全真预测试卷(二)

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  Model Test Two

  Part IWriting(30 minutes)

  Directions: For this part, you are allowed 30 minutes to write a composition on the topic Generation Gap. You should write at least 120 words following the outline given below in Chinese:

  1.代沟的表现。

  2.代沟出现的家庭原因。

  3.代沟出现的社会原因。

  Generation Gap

  Part IIReading Comprehension (Skimming and Scanning)

  (15 minutes)

  Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the question on Answer Sheet 1.

  For questions 1-7, mark

  Y (for YES)if the statement agrees with 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.

  For questions 8-10, complete the sentences with the information given in the passage.

  Landfills

  You have just finished your meal at a fast food restaurant and you throw your uneaten food, food wrappers, drink cups, utensils and napkins into the trash can. You don’t 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 don’t have to think about that waste again, either. But maybe you have wondered, as you watch 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 trashes per person as most other major countries. What happens to this trash? Some gets recycled (回收利用) or recovered and some is burned, but the majority is buried in landfills.

  How Much Trash Is Generated?

  Of 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 (glass, paper products, plastic, metals) or composted (做成堆肥) (yard waste). The remaining trash, which is mostly unredeemable, is discarded.

  How Is Trash Disposed of?

  The trash production in the United States has almost tripled since 1960. This trash is handled in various ways. About 27 percent of the 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 disposal. The United Kingdom ranks highest, burying about 90 percent of its solid waste in landfills.

  What Is a Landfill?

  There 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 people’s idea of a landfill!) 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—land fill that uses a clay liner to isolate the trash from the environment Municipal solid waste (MSW) landfill—landfill 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 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.

  Proposing the Landfill

  For a landfill to be built, the operators have to make sure that they follow certain 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. Before a city or other authority can build a landfill, an environment 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 on the local environment and wildlife

  the historical value of the proposed site

  Building the Landfill

  Once 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 not already exist. There 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 Country Landfill, the landfill began 10 feet below the road surface.

  What Happens to Trash in a Landfill?

  Trash put 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 print. 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! How Is a Landfill Operated?

  A landfill, such as the North Wake County Landfill, must be open and available every 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 to 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 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 multi-material dropoff station is used for tires, motor oil, and 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 disposed 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 complicated 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.

  1.The passage gives a general description of the structure and use of a landfill.

  2.Most of the trash that Americans generate ends up in landfills.

  3.Compared with other major industrialized countries, America buries a much higher percentage of its solid waste in landfills.

  4.Landfills are like compost piles in that they speed up decomposition of the buried trash.

  5.In most countries the selection of a landfill site is governed by rules and regulations.

  6.In the United States the building of landfills is the job of both federal and local governments.

  7.Hazardous wastes have to be treated before being dumped into landfills.

  1.[Y][N][NG]2.[Y][N][NG]3.[Y][N][NG]4.[Y][N][NG]

  5.[Y][N][NG] 6.[Y][N][NG]7.[Y][N][NG]

  8.Customers are typically , although residents may also use the landfill.

  9.The tipping fees vary from per ton. These fees are used to pay for operation costs.

  10.Along the site, there are for materials that are not wanted or legally banned by the landfill.

  Part IIIListening Comprehension(35 minutes)

  SectionA

  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 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. Then mark the corresponding letter on Answer Sheet 2 with a single line through the centre.

  11.[A]In an office.

  [B]On a farm.

  [C]In a clinic.

  [D]In a restaurant.

  12.[A]When he was sixteen.

  [B]When he was twenty-one.

  [C]When he was thirteen.

  [D]When he was eighteen.

  13.[A]Thursday 9 am—5 pm.

  [B]Saturday 9 am—5 pm.

  [C]Sunday 2 am—5 pm.

  [D]Monday 2 am—5 pm.

  14.[A]She shopped.

  [B]She sewed.

  [C]She repaired her car.

  [D]She bought some tobacco.

  15.[A]Help the woman.

  [B]Go home at five o’clock.

  [C]Type some letters.

  [D]Work together with Mr. Smith.

  16.[A]The first speaker.

  [B]Merry.

  [C]Linda.

  [D]The second speaker.

  17.[A]He needs to sleep for three or four hours.

  [B]He wants to buy a set of coffee cups.

  [C]He will need more than one cup of coffee.

  [D]He has been wide awake for time.

  18.[A]On the 2nd floor.

  [B]On the 3rd floor.

  [C]On the 9th floor.

  [D]On the 4th floor.

  Questions 19 to 22 are based on the conversation you have just heard.

  19.[A]Go to summer school.[B]Take a vacation.

  [C]Stay at home.[D]Earn some money.

  20.[A]They hired someone to stay in their home.

  [B]They left their pets with neighbors.

  [C]They rented their house to a student.

  [D]They asked their gardener to watch their home.

  21.[A]Walking the dog.[B]Cutting the grass.

  [C]Watching the children.[D]Feeding the fish.

  22.[A]They attend a house sitter’s party.

  [B]They check a house sitter’s references.

  [C]They interview a house sitter’s friends.

  [D]They look at a house sitter’s transcripts.

  Questions 23 to 25 are based on the conversation you have just heard.

  23.[A]University education.

  [B]Planning for post-graduate studies.

  [C]Job hunting.

  [D]Advertising jobs.

  24.[A]About one half.[B]About one third.

  [C]About one fourth.[D]About one fifth.

  25.[A]Work. [B]Do further study.

  [C]Travel.[D]Take time off.

  SectionB

  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 choose the best answer from the four choices marked [A], [B], [C] and [D].Then mark the corresponding letter on Answer sheet 2 with a single line through the centre.

  Passage One

  Questions 26 to 28 are based on the passage you have just heard.

  26.[A]The care and proper selection of dogs for family pets.

  [B]Different breeds of dogs.

  [C]Responsibility for seeing that dogs are properly cared for.

  [D]Different kinds of books about dogs.

  27.[A]Children.[B]Family.

  [C]Parents.[D]ASPCA.

  28.[A]When you have small children.

  [B]When you live in an apartment.

  [C]When space is limited.

  [D]When you live in the city.

  Passage Two

  Questions 29 to 31 are based on the passage you have just heard.

  29.[A]Three minutes.[B]Two minutes.

  [C] One minutes.[D]Five minutes.

  30.[A]To win a competition. [B]To break a record.

  [C]To deliver the news of victory. [D]To win the first prize.

  31.[A]Because he is over the fellow runners.

  [B]Because he is over former runners.

  [C]Because he is over his own body.

  [D]Because he wins the prize.

  Passage Three

  Questions 32 to 35 are based on the passage you have just heard.

  32.[A]It is the smallest one of all the stars.

  [B]It is the nearest one to the earth.

  [C]It is the biggest one of all the stars.

  [D]It is the farthest one from the earth.

  33.[A]The moon.[B]Other planets.

  [C]Both A and B.[D]Neither A nor B.

  34.[A]Do much research in many fields of science.

  [B]Understand people in other countries better.

  [C]Both A and B.

  [D]Neither A nor B.

  35.[A]The earth is a planet.

  [B]Stars in the sky are actually as small as they look.

  [C]Satellites are all made by men.

  [D]Men can conquer other planets.

  78.【解析】A此句意为“训练快速阅读所使用的工具必然与提高阅读速度有关”,因此选accelerator (快读器)。actor演员;amplifier放大器;observer观察者。

  79.【解析】D前面的faster决定了应当选than,构成比较级。

  80.【解析】C此句意为“快速阅读器迫使你加快阅读速度,使你再也不能逐字阅读,回顾前文内容或者默读”。enabling相当于making possible;leading引导;indicating指出,表明。都不合题意。只有making (使,使得)最合适。

  81.【解析】B这里的意思是“速读最初会影响理解”,所以选comprehension(理解力)。meaning意义,意思,指词或词组表示的意义;gist大意,要旨;regression回顾

  82.【解析】A与前半句中的not only相呼应,构成句式“不仅……,而且……”,只有选but,而nor;or或for均不能构成固定用法。

  83.【解析】C本句中的主语是第三人称复数,物主代词必然是their。

  84.【解析】Btake与后面的for instance构成短语,意为:“以……例”,其他三项不能构成搭配。

  85.【解析】D这里提到受训之前与受训之后进行比较,对比,因此选before。

  86. 【解析】D此处意为:在较短时间内,读完众多的材料。master掌握;go over复习;present呈现,展现;此三,项均不妥;只有get through (读完)最恰当。

  Part ⅥTranslation

  87.【解析】would not have finished so early

  88.【解析】delaying making

  89.【解析】to have no access

  90.【解析】we may/might as well walk home

  91.【解析】singing and dancing to their heart’s content.

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