2018版高考英语复习模块考点复习unit21humanbiology课时规范训练北师大版

《2018版高考英语复习模块考点复习unit21humanbiology课时规范训练北师大版》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“lightenou

2、ghtoseeacross”atnight.However，theycautionthereisnotenoughevidencetoadvisepeopletobuythickercurtainsorturnofflights.Thewomenwereaskedtoratetheamountoflightintheirbedroomsatnightas：Lightenoughtoread.Lightenoughtoseeacrosstheroom，butnotread.Lightenoughtoseeyourhandinfrontofyo

3、u，butnotacrosstheroom.Toodarktoseeyourhandoryouwearamask.Prof.AnthonySwerdlowtoldtheBBC：“Inthisverylargegroupofpeoplethereisanassociationbetweenreportedlightexposureatnightandoverweightandobesity.Butthereisnotsufficientevidencetoknowifmakingyourroomdarkerwouldmakeanydiffer

4、encetoyourweight.Theremightbeotherexplanationsfortheassociation，butthefindingsareintriguingenoughtoguaranteefurtherscientificinvestigation.”Thelightisdisruptingthebodyclock，whichstemsfromourevolutionarypastwhenwewereactivewhenitwaslightinthedayandrestingwhenitwasdarkatnigh

5、t.Lightaltersmood，physicalstrengthandeventhewayweprocessfoodina24hourcycle.Artificiallightisknowntodisruptthebodyclockbydelayingtheproductionofthesleephormonemelatonin.Prof.DerkJanDijksaidtherewouldbenoharmintryingtomakebedroomsdarker.HetoldtheBBC：“Peopleingeneralarenotawa

6、reofthelightpresentintheirbedroom.Ithinkpeopleshouldassesstheirbedroomandseehoweasyitwouldbetomakeitdarker.”Streetlights，somealarmclocksandstandbylightsonelectricalequipmentsuchastelevisionscouldlightaroom，hesaid.“Overallthisstudypointstotheimportanceofdarkness，”heconclude

7、d.1．Thepassagemainlytellsus．11A．brightbedroomslinktoobesityB．darkbedroomslinktoobesityC．peopleshouldturnofflightsD．peopleshouldbuythickercurtains2．Whatdoestheunderlinedword“disrupt”(Paragraph4)mean?A．Stop.　　　　　　　　　B．Disturb.C．Improve.D．Recover.3．WhatmightParagraph4beusedfo

8、r?A．Onepossibleexplanationondisruptingbodyclock.B．Onepossibleexplanationondisruptingmood.