大学六级-1178及答案解析.doc

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1、大学六级-1178 及答案解析(总分：710.00，做题时间：90 分钟)一、Part Writing(总题数：1，分数：103.00)1.Directions: For this part, you are allowed 30 minutes to write a short essay entitled Will E-mail Replace Hand-written Letter? You should write at least 150 words following the outline given below:1. 学多人认为电子邮件将会取代传统书信2. 也有人对此持不同意见

2、3. 你的观点Will E-mail Replace Hand-written Letter?（分数：103.00）_二、Part Reading Compr(总题数：1，分数：70.00)Electric Vehicles Are Charging Up The Automotive IndustryNext time youre filling up the cavernous fuel tank of the gas-gulping family jalopy, imagine getting 230 miles per gallon. Better yet, how about nev

3、er buying another gallon of gas? After years of hope and hype, electron-powered driving finally appears to be on the verge of reality. In the next three years, at least a dozen pure electric or plug-in hybrid cars are slated to hit the market in the U. S. Electricity-driven vehicles from giants such

4、 as General Motors Co. and Nissan Motor Co., as well as start-ups like Fisker Automotive Inc. in Irvine, will provide consumers with a wide variety of choices. These new vehicles promise to combine blinding fuel efficiency, radical new technology and futuristic styling that makes the hybrid Toyota P

5、rius look downright staid.Battery makers and automakers alike are tooling up factories to produce big volumes of electric vehicles. Meanwhile, power utilities and regulators are scrambling to figure out just how big the market will be. “This is happening and its happening soon,“ said Mark Duvall, di

6、rector of electric transportation at the Electric Power Research Institute, an independent, nonprofit research group. “By the end of 2011, consumers will have more choices in vehicles they can plug in than they currently do for hybrids.“The electric vehicles will be arriving at a good time. With gas

7、oline prices creeping up once again and federal regulations calling for huge fuel economy gains in the next half-decade, theres increasing demand for cars that burn less fuel, make less noise and push automotive technology forward. In August, President Obama set a national goal of getting 1 million

8、plug-in vehicles on the road by 2015. It took about twice as long to get a million hybrids rolling on U.S. streets and highways.But any new technology that involves high-voltage, exotic battery chemistries and 3,500-pound objects hurtling forward at high speed is bound to hit some potholes. Early ad

9、opters, experts say, will have to contend with charging infrastructure challenges and some pretty long waiting lists. And did we mention price? Even the least expensive electric or plug-in car will cost more than $ 25,000, and most will come in closer to twice that. “There will be some real challeng

10、es at first,“ said Roland Hwang, vehicle policy director at the Natural Resources Defense Council. “These are going to cost more than conventional cars. The infrastructure is not going to take care of itself. These issues will determine whether this is a trickle or a massive flood.“Restarting electr

11、icsElectric cars are hardly new. In fact, a century ago, around the time of the dawn of the automobile, there were as many electric as gasoline-powered cars. But technological limitations eventually killed those early EVs, and electric cars didnt truly raise their heads again until the late 1990s. T

12、hats when a smattering of electrics, including the much-lamented GM EV1, was made available in California as part of a government-mandated test program. Wildly popular among a select group of enthusiasts, they were officially declared unfeasible and unprofitable by automakers. Today, only a few hund

13、red are still on the road, among them a Toyota RAV4 EV driven by Paul Scott, co-founder of electric vehicle activist group Plug In America.Nobody was happier than Scott when Tesla Motors Inc., a San Carlos, Calif., automaker, last year began selling its all-electric Roadster, a rocket of a two-seate

14、r that noiselessly goes from zero to 60 mph in less than four seconds. True, the Roadster costs $109,000. And it has a waiting list longer than Sunset Boulevard. But to people like Scott, its arrival signaled the coming of a new electric era.“This time electric cars are here to stay,“ said Scott, wh

15、o envisions charging cars using solar power, making them essentially cost-free to operate. Tesla and other nimble start-ups have helped jump-start the industry. Now big automakers are getting their electric programs in gear. Thats no minor development considering the titanic capital costs involved i

16、n developing high-volume-production vehicles.For Ford Motor Co. , better batteries were key. Previous technologies were just too heavy and inefficient, said Nancy Gioia, the automakers director of global electrification. “They werent ready for mass production,“ she said.But in the last couple of yea

17、rs, huge improvements and new battery chemistries “opened the opportunity“ for ambitious product plans, she said. Gioia predicts that as many as a quarter of new vehicles sold by 2020 will be electrics, plug-in hybrids or traditional hybrids.Challenges aheadYet even the fiercest electric advocates a

18、dmit that battery reliability still has room for improvement. Arthur Krieger, a retired police officer in Los Angeles, drives a Prius powered by a relatively small nickel metal hydride battery to assist the gasoline engine. The battery needed replacement after nine years on the road. Thats when Krie

19、ger got a nasty surprise: A new one would cost more than $4,800. “That cost will wipe out the entire cost savings of having a hybrid in the first place,“ Krieger said. The price would be even higher on an all-electric vehicle using the latest chemistry: lithium ion.Already widely used in cell phones

20、, watches and laptops, those batteries have storage, charging and weight characteristics that make them superior to previous technologieswith premium prices to match. A replacement battery for a Tesla Roadster costs $ 30,000, and it can move the car only 200 or so miles before it needs to be recharg

21、ed. Thats a 3.5-hour process on a high-powered charger, 30 hours on regular household current.Then there is the matter of exactly where to re-juice all those electrics. Some experts believe that public charging stations will be the best solution, either those put up by state and local governments or

22、, perhaps, private for-profit companies. At present there is almost no such infrastructure. Building a nationwide network would cost tens of billions of dollars. That means most electric owners will be charging at home initially. Plug-in hybrids, which primarily run on batteries but also have gasoli

23、ne-powered engines to supplement range and power, can get by on standard household current. Theyre ready to roll in five or six hours. All-electric cars, however, can take well over a day to charge unless owners invest thousands of dollars in home electrical upgrades.A rewarding experienceFor those

24、willing (and able) to take the plunge, however, the rewards of owning electrified cars could include the financial kind. Thanks to a provision in last years $700-billion Wall Street bailout legislation, buyers of electric or plug-in hybrid cars can qualify for a tax credit of as much as $7,500. Rout

25、ine maintenance could be a bargain too. Since these vehicles use simple electric motors rather than complex gasoline or diesel engines, as well as pared-down or in some cases nonexistent transmissions, they are far easier to service than conventional vehicles. Theres no oil to change, no radiator to

26、 flush. There are other perks as well. In California, electric vehicles still qualify for special stickers that permit their drivers to travel solo in the states carpool lanes. The stickers expire in 2011, but lawmakers are considering extending the privilege until 2016. Its unclear whether plug-in

27、hybrids will qualify.With all the excitement brewing over electric vehicles, its easy to forget that 98% of the cars sold in America still have traditional drive trains. Simply put, the gasoline engine isnt going to disappear overnight. Even the most vociferous boosters of plug-in vehicles admit tha

28、t the greater range and lower cost of internal combustion-powered cars and trucks mean theyll dominate vehicle sales for at least another decade or two. And for some applications, like hauling a trailer over the Rockies, they may never go away.（分数：70.00）(1).From the first paragraph, we can know that

29、 electric vehicles _ at present.（分数：7.00）A.appear to be in the market.B.tend to replace fuel vehicles.C.offer a wide range of choices.D.appear to be on the verge of success.(2).Which of the following is NOT probably a reason for electric vehicles “good time“?（分数：7.00）A.Rising gasoline price.B.Fuel e

30、conomy.C.Affordable price.D.Various choices.(3).According to Roland Hwang, we can infer that _.（分数：7.00）A.The electric vehicles will take up the automotive market gradually.B.The electric vehicles will quit the automotive market gradually.C.The conventional car is better than the electric vehicles.D

31、.The electric vehicles encounter some challenges.(4).The early electric cars gradually disappeared because of _.（分数：7.00）A.gasoline-powered cars.B.technological restrictions.C.lacking governments support.D.no profits and unfeasibility.(5).According to Ford Motor Co. , the crucial point for developin

32、g the latest electric cars is _.（分数：7.00）A.using solar power.B.finding better batteries.C.attracting consumers attention.D.sharing automotive market.(6).According to Arthur Krieger, we can learn that _.（分数：7.00）A.He would like to replace the old battery for new one.B.He would rather buy a new car th

33、an replace battery.C.He wants to use the latest battery.D.He complains the high cost of replacing battery.(7).There is no public charging stations because _.（分数：7.00）A.Its building cost is pretty high.B.People would like to charge at home.C.It takes long time to finish the charging.D.Charge in publi

34、c stations cost long time.(8).They needed to invest in _ if the owners of all-electric cars wanted to reduce time to charge.（分数：7.00）填空项 1:_(9).The buyers of electric or plug-in hybrid cars can enjoy a sum of $7,500 in _.（分数：7.00）填空项 1:_(10).The traditional vehicles exist for next 10 to 20 years bec

35、ause of _.（分数：7.00）填空项 1:_三、Part Listening Com(总题数：0，分数：0.00)四、Section A(总题数：4，分数：105.00)A.The woman should start running daily.B.The woman should continue her exercise program.C.The woman should eat less.D.The woman should stop running daily.A.Shes not interested in the party.B.She might have somet

36、hing else to do.C.Shed rather come some other time.D.Shell ask for the permission of her morn.A.Buy some clothes there.B.Wait for the next sale.C.Watch the ad on television.D.Stay at home.A.Have a talk with his roommate.B.Go to the person in charge of the dormitory for help.C.Put a notice at the ent

37、rance to the building.D.Watch TV before midnight.A.She wants to change her job.B.Shes not going to graduate school immediately.C.Shell change her school.D.Shell switch colleges for graduate work.A.The mans vacation has been postponed.B.The man might be carsick.C.The man is going to change his medici

38、ne.D.The mans wife asked him to buy some medicine for her.A.She might be late for her experiment class.B.She doesnt have a bike.C.She might be delayed by her last class.D.She might be late for her experiment class.A.He is making a public advertisement.B.He is trying to sell something to the woman.C.

39、He does not agree with the woman.D.He is making a report.Questions 19 to 22 are based on the conversation you have just heard.（分数：28.00）A.How to keep fish.B.How to make large aquatic appliances.C.If the man is qualified to be the apprentice.D.If the man is a good apprentice.A.The man is not determin

40、ed.B.The man is poorly experienced in the aquatic field.C.The man is not honest.D.The man was late for the interview.A.A person who are familiar with fish keeping.B.A person who can work with large aquatic appliances.C.A person who is hard-working and determined.D.A person who can work for her at le

41、ast three years.A.He will come back to his hometown.B.He will go to the desert.C.He will work for the woman for at least three months.D.He will go for another interview.Questions 23 to 25 are based on the conversation you have just heard.（分数：21.00）A.French.B.German.C.Greek.D.Latin.A.People might los

42、e respect for each other.B.People might have less trust in each other.C.The operation of the team will not be improved.D.There would be more differences between each other.A.Dialogue improves the operation of a team continuously.B.Dialogue changes peoples old pattern of interaction.C.Dialogue helps

43、improve the communication of people.D.Dialogue changes peoples perspective.五、Section B(总题数：3，分数：70.00)Questions 26 to 29 are based on the passage you have just heard.（分数：28.00）A.William Shakespeare.B.William Caxton.C.People in the first British colonies in America.D.The native people in America.A.14

44、76.B.1500s.C.1600s.D.1607.A.In the 14th century.B.During the 1500s.C.Nine years before Shakespeare died.D.Nine years after Shakespeare died.A.British English.B.Adding of foreign words.C.Borrowing from American Indian words.D.Coined by the first British colonists in America.Questions 30 to 32 are bas

45、ed on the passage you have just heard.（分数：21.00）A.Its popularity.B.Its philosophy.C.Its perspective.D.Its briskness.A.Because they offer original ideas.B.Because they offer the world new philosophies.C.Because they are morally instructive.D.Because they express the ideas in an interesting way.A.Intr

46、oducing readers to unfamiliar situations.B.Reminding readers of the truth.C.Informing people new scientific development.D.Telling people how to serve their communities.Questions 33 to 35 are based on the passage you have just heard.（分数：21.00）A.The group rinsing (漱口) with carbohydrate drinks.B.The gr

47、oup rinsing with sugar-free water.C.The group swallowed carbohydrate drinks.D.The group swallowed sugar-free water.A.The heart.B.The muscles.C.The brain.D.The legs.A.Riders rinsing with carbohydrate liquids made less effort than those rinsing with water.B.The heart rates of riders rinsing with carbo

48、hydrate liquids are lower than those rinsing with water.C.Rinsing with carbohydrate liquids helps sport players fight fatigue.D.Swallowing carbohydrate liquids makes sports players less tired.六、Section C(总题数：1，分数：77.00)At one time, scientists thought the space between Earth and Sun was a vacuum. But

49、 we now know that the sun fills it with gusts of hot, electrically charged atomic (36) called the solar wind. Sometimes this wind blows hard. When the Suns outer layer is very active, it (37) nearly one-third of its gaseous matter outward at supersonic speeds.The U.S. governments oceans and atmosphere agency NOAA, has a Space Environment Center to monitor these (38) . The