英语六级真题及答案解析卷一.docx

1、英语六级真题及答案解析卷一Part Reading ComprehensionSection AAs it is, sleep is so undervalued that getting by on fewer hours has become a badge of honor. Plus, we live in a culture that_(37)to the late-nighter, from 24-hour grocery stores to online shopping sites that never close. Its no surprise, then, that mo

2、re than half of American adults dont get the 7 to 9 hours of shut-eye every night as_(38)by sleep experts.Whether or not we can catch up on sleep-on the weekend, say-is a hotly_(39)topic among sleep researches. The latest evidence suggests that while it isnt_(40), it might help. When Liu, the UCLA s

3、leep researcher and professor of medicine, brought_(41)sleep-restricted people into the lab for a weekend of sleep during which they logged about 10 hours per night, they showed_(42)in the ability of insulin(胰岛素)to process blood sugar. That suggests that catchup sleep may undo some but not all of th

4、e damage that sleep_(43)causes, which is encouraging given how many adults dont get the hours they need each night. Still, Liu isnt_(44)to endorse the habit of sleeping less and making up for it later.Sleeping pills, while helpful for some, are not_(45)an effective remedy either. “A sleeping pill wi

5、ll_(46)one area of the brain, but theres never going to be a perfect sleeping pill, because you couldnt really replicates(复制)the different chemicals moving in and out of different parts of the brain to go through the different stages of sleep, says Collop, director of the Emory University Sleep Cent

6、er.37.【题干】_【选项】【答案】B【解析】cater to表示“迎合”的意思，空白处前提到a culture，所以用第三人称单数caters。38.【题干】_【选项】【答案】M【解析】空白处后有介词by，因此空白处前要填一个动词，与后文匹配，recommended by符合题意，大多数美国人都达不到由睡眠专家建议的79小时睡眠时间。39.【题干】_【选项】【答案】D【解析】空白处前有hotly这个词，后有topic，说明这是个热门的话题，要填一个形容词，debated讨论的，符合题意。40.【题干】_【选项】【答案】F【解析】通过while.might help. 可以看出，文章中提到尽

7、管在假日补充睡眠并不是理想的，ideal符合语境。41.【题干】_【选项】【答案】C【解析】 空白处后为形容词，空白处需要填副词做修饰，chronically意思为“长期地”修饰“有睡眠困扰的人”符合题意。42.【题干】_【选项】【答案】G【解析】空白处前有showed，因此空白处填一个名词更贴切，G选项improvements符合语境。43.【题干】_【选项】【答案】E【解析】题意为：补眠可以修复一部分并不是全部的由睡眠( )造成的损害。所以sleep后面应该接一个名词，组成“睡眠匮乏”符合语境。44.【题干】_【选项】【答案】L【解析】根据文中 “没有去做某事”，推测出空格内填一个形容词，

8、选ready表示“Liu尚未准备好去接受这个习惯”。45.【题干】_【选项】【答案】H【解析】空格内应该填一个副词修饰be动词。“必须地”符合语境，“尽管安眠药对于一些人是有效的，但并不一定是一个有效的解决良方”。46.【题干】_【选项】【答案】O【解析】情态动词will后要跟一个动词原形，target符合，表示“一片安眠药会瞄准大脑的一个区域。Section BClimate change may be real, but its still not easy being green.AThe road to climate hell is paved with our good inten

9、tions. Politicians may tackle polluters while scientists do battle with carbon emissions. But the most pervasive problem is less obvious: our own behavior. We get distracted before we can turn down the heating. We break our promise not to fly after hearing about a neighbours trip to India. Ultimatel

10、y, we cant be bothered to change our attitude. Fortunately for the planet, social science and behavioural economics may be able to do that for us.BDespite mournful polar bears and charts showing carbon emissions soaring, most people find it hard to believe that global warming will affect them person

11、ally. Recent polls by the Pew Research Centre in Washington, DC, found that 75-80 per cent of participants regarded climate change as an important issue. But respondents ranked it last on a list of priorities.CThis inconsistency largely stems from a feeling of powerlessness. When we cant actually re

12、move the source of our fear, we tend to adapt psychologically by adopting a range of defence mechanisms, says Tom Crompton, change strategist for the environmental organization Word Wide Fund for Nature.DPart of the fault lies with our inner caveman. Evolution has programmed humans to pay most atten

13、tion to issues that will have an immediate impact. We worry most about now because if we dont survive for the next minute, were not going to be around in ten years time, says Professor Elke Weber of the Centre for Research on Environmental Decision at Columbia University in New York. If the Thames for Research on Environmental Decision at Columbia University in New York. If the Thams were lapping around Big Ben, Londoners wound face up to the problem of emissions pretty quickly. But