12月大学英语六级阅读真题及答案（一套）

　　12月英语六级考试于12月14日下午如期举行,考后由小编为各位考生整理英语六级真题及答案解析完整版(多题多卷),快来查看!

　　As it is, sleep is so undervalued that getting by on fewer hours hasbecome a badge o? Plus, we live in a culture that 36 to the late–nighter, from 24-hourgrocery store to ? shopping site that never close. It’sno surprise, then, that more than half of American adults get the 7 to 9 hoursof shut-eye every night as 37 by sleep experts.

　　Whether or not we can catch up on sleep – on the weekend, say- is ahotly 38 among sleep researchers. The latest evidence suggests thatwhile it isn’t 39 , it might ? when Liu, the UCLA sleep researcher andprofessor of medicine, brought 40 sleep-rest people into the lab for aweekend of sleep during which they lagged about 10 hours per night. ? showed41 in the ability of insulin(胰岛素) to process blood sugar. That suggests ? upsleep may undo some but not all of the damage that sleep 42 causes, which is encouraging ? given howmany adults don’t get the hours they need each night. Still, Liu isn’t 43 to end the habit of sleeping lessand making up for it later.

　　Sleeping pills, while helpful for some, are not 44 aneffective remedy either. “A sleeping pill will 45 one area of the brain,but there’s never going to be a perfect sleeping pill, because you couldn’treally replicate (复制)the differentchemicals moving in and out of different parts ? the brain to go through thedifferent stages of sleep,” says Dr. Nancy Collop, director of the Em?University Sleep Center.

　　A) 　alternatively I) negotiated

　　B)　 caters J) pierce

　　C) chronically K) presumption

　　D) debated L) ready

　　E) deprivation M) recommended

　　F) ideal N) surpasses

　　G) improvements O) target

　　H) necessarily

　　答案：BMDFO GELHJ

　　Climatechange may be real, but it’s still not easy being green

　　How do we convince our inner cavemanto be greener?We ask some outstanding social scientists.

　　A) The road to climatehell is paved with our good intentions. Politicians may tackle polluters whilescientists do battle with carbon emissions. But the most pervasive problem isless obvious: our own behaviour. We get distracted before we can turn down theheating. We break our promise not to fly after hearing about a neighbor’s ripto India. Ultimately, we can’t be bothered to change our attitude. Fortunatelyfor the planet, social science and behavioral economics may be able to do thatfor us.

　　B) Despite mournfulpolar bears and carts showing carbon emissions soaring, mot people find it hardto believe that global warming will affect them personally. Recent polls by thePew Research Centre in Washington, DC, found that 75-80 per cent ofparticipants regarded climate change as an important issue. But respondentsranked it last on a list of priorities.

　　C) This inconsistencylargely stems from a feeling of powerlessness. “When we can’t actually removethe source of our fear, we tend to adapt psychologically by adopting a range ofdefense mechanisms,” says Tom Crompton, change strategist for the environmentalorganization World Wide Fund for Nature.

　　D) Part of the faultlies with our inner caveman. Evolution has programmed humans to pay mostattention to issues that will have an immediate impact. “We worry most aboutnow because if we do

　　E) Matthew Rushworth,of the Department of Experimental Psychology at the University of Oxford, seesthis in his lab every day. “One of the ways in which all agents seem to makedecisions is that they assign a lower weighting to outcomes that are going tobe further away in the future,” he says. “This is a very sensible way for ananimal to make decisions in the wild and would have been very helpful forhumans for thousands of years.”

　　F) Not any longer. Bythe time we wake up to the threat posed by climate change, it could well be toolate. And if we’re not going to make national decisions about the future,others may have to help us to do so.