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the weekend, say--is a hotly 38 topic amongsleep researchers.The latest evidence suggests that while it isn't 39 , it might help.When Liu, theUCLA sleep researcher and professor of medicine, brought 40 sleep-restricted people into the labfor a weekend of sleep during which they logged about 10 hours per night, they showed 41 in theability of insulin (胰岛素) to process blood sugar.That suggests that catch-up sleep may undo some
but not all of the damage that sleep 42 causes, which is encouraging, given how many adults don'tget the hours they need each night.Still, Liu isn't 43 to endorse the habit of sleeping less andmaking up for it later. Sleeping pills, while helpful for some, are not 44 an effective remedy either.\sleeping pillwill 45 one area of the brain, but there's never going to be a perfect sleeping pill, because youcouldn't really replicate (复制 ) the different chemicals moving in and out
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of different parts of the brainto go through the different stages of sleep,\says Dr.Nancy Collop, director of the Emory UniversitySleep Center. A.alternatively B.caters C.chronically D.debated E.deprivation F.ideal
G.improvements H.necessarily I.negotiated J.pierce K.presumption L.ready
M.recommended N.surpasses O.target Section B
Directions: In this section, you are going to read a passage with ten statements attached
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to it.Eachstatement contains information given in one of the paragraphs.Identify the paragraphfrom which the information is derived.You may choose a paragraph more than once.Each paragraph is marked with a letter. Answer the questions by marking thecorresponding letter on Answer Sheet 2. Climate change may be real, but it's still not easy being green
How do we convince our inner caveman to be greener? We ask some outstanding social scientists.
[A] The road to climate hell is paved with our good
intentions.Politicians
may
tackle
polluters whilescientists do battle with carbon emissions.But the most pervasive problem is less obvious: ourown behaviour.We get distracted before we can turn down the heating.We break our promise notto fly after hearing about a neighbour's trip to India.Ultimately, we can't be bothered to changeour attitude.Fortunately for the planet,
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social science and behavioural economics may be able todo that for us.
[B] Despite mournful polar beats and charts showing carbon emissions soaring, most people find ithard to believe that global warming will affect them personally.Recent polls by the Pew ResearchCentre in Washington, DC, found that 75-80 per cent of participants regarded climate change as animportant issue.But respondents ranked it last on a list of priorities.
[C] This inconsistency largely stems from a feeling of powerlessness.\we can't actually removethe source of our fear, we tend to adapt psychologically by adopting a range of defencemechanisms,\change strategist for the environmental organisation WorldWide Fund for Nature. [ D] Part of the fault lies with our inner caveman.Evolution has programmed humans to pay mostattention to issues that will have an immediate impact.\worry most about

