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时间:2018-12-16
《2018版高考英语大一轮复习 第1部分 模块考点复习 unit 21 human biology课时规范训练 北师大版选修7》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Unit21HumanBiologyPart1 阅读完形组合准度练 (建议用时40′)Ⅰ.阅读理解(共8小题;每小题2分,满分16分)A(2016·江西九校联考)Sleepinginaroomwithtoomuchlighthasbeenlinkedtoanincreasedriskofpilingonthepounds,astudyshows.AteamattheInstituteofCancerResearchinLondonfoundwomenhadlargerwaistlinesiftheirbedroomwas“lightenoughtoseeacro
2、ss”atnight.However,theycautionthereisnotenoughevidencetoadvisepeopletobuythickercurtainsorturnofflights.Thewomenwereaskedtoratetheamountoflightintheirbedroomsatnightas:Lightenoughtoread.Lightenoughtoseeacrosstheroom,butnotread.Lightenoughtoseeyourhandinfrontofyou,butnotacrosstheroom.
3、Toodarktoseeyourhandoryouwearamask.Prof.AnthonySwerdlowtoldtheBBC:“Inthisverylargegroupofpeoplethereisanassociationbetweenreportedlightexposureatnightandoverweightandobesity.Butthereisnotsufficientevidencetoknowifmakingyourroomdarkerwouldmakeanydifferencetoyourweight.Theremightbeothe
4、rexplanationsfortheassociation,butthefindingsareintriguingenoughtoguaranteefurtherscientificinvestigation.”Thelightisdisruptingthebodyclock,whichstemsfromourevolutionarypastwhenwewereactivewhenitwaslightinthedayandrestingwhenitwasdarkatnight.Lightaltersmood,physicalstrengthandeventhe
5、wayweprocessfoodina24hourcycle.Artificiallightisknowntodisruptthebodyclockbydelayingtheproductionofthesleephormonemelatonin.Prof.DerkJanDijksaidtherewouldbenoharmintryingtomakebedroomsdarker.HetoldtheBBC:“Peopleingeneralarenotawareofthelightpresentintheirbedroom.Ithinkpeopleshouldass
6、esstheirbedroomandseehoweasyitwouldbetomakeitdarker.”Streetlights,somealarmclocksandstandbylightsonelectricalequipmentsuchastelevisionscouldlightaroom,hesaid.“Overallthisstudypointstotheimportanceofdarkness,”heconcluded.1.Thepassagemainlytellsus.A.brightbedroomslinktoobesityB.darkbed
7、roomslinktoobesityC.peopleshouldturnofflightsD.peopleshouldbuythickercurtains2.Whatdoestheunderlinedword“disrupt”(Paragraph4)mean?A.Stop. B.Disturb.C.Improve.D.Recover.3.WhatmightParagraph4beusedfor?A.Onepossibleexplanationondisruptingbodyclock.B.Onepossibleexplanationondisru
8、ptingmood.C.
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