资源描述：
《2021高考英语一轮复习Unit4Wildlifeprotection课时作业新人教版必修2.doc》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、Unit4 WildlifeprotectionⅠ.阅读理解A[2020·山西六校第二次阶段性测试]Sleepinginanoisyroomisn'tonlydistracting(使人分心的),anditcanalsoharmyourhealth.Althoughresearchershaveknownfordecadesthatlongtermloudnoisescanharmus,it'sonlyrecentlybecomerecognizedasawidespreadissue.Inanewreviewofpreviousl
2、ypublishedstudies,researchersfromGermanyandDenmarktookalookatthewaysinwhichnoises,suchasanairplanepassingbyorjackhammerdiggingintheground,canaffectourhearts.Perhapsthemostobviousimpactofaloudsoundwhileyouaresleepingisthatitcanwakeyouup.But,evenifyoudon'trememberhearing
3、thenoiseoryoudon'tphysicallygetoutofbed,itcandisruptyouinwaysyoumaynotrealize.“Noiseisnotjustcausingannoyance,butitactuallymakesussick，”saidDr.ThomasMünzel,aprofessoratJohannesGutenbergUniversityMainz.“Regardlessofwherethesoundiscomingfrom,ifitgetslouderthan60decibels
4、(分贝),itcanincreasetheriskofheartdisease.”Whenourbodyhearsthesenoises,itreactswithastressreaction.Inthiscase,thesesuddenandunexpectednoisescausehormones(荷尔蒙)tospeedupandeventuallydamagetheheart.Althoughthechancethatasinglenoisewillaffectyouisunlikely,it'stheconstantexp
5、osuretothesoundthatcaneventuallyaffectyou.“Butourhearthealthisn'ttheonlycauseforconcern.Long－termnoisemayalsoraisetheriskoftype2diabetes,depression,andanxietydisorders，”hewarns.Inthefuture，Münzelplanstoexaminehownoisesfromcars,planes,andothervehiclesaffectthebrain.Butd
6、espitetheamountorthedepthofresearchheconducts,it'lltakethehelpofpoliticianstoimprovetheimpactofnoiseonourhealth.“Politicianshavetotakeintoaccount,inparticular,thenewfindings，”Münzelsaid.“Withrespecttoaircraftnoiseandairports,itisimportanttomakenewlawsandsetnewlowernoi
7、selimitsthatprotectpeoplelivingclosebytheairportinsteadoftheownersoftheairport.”-9-1．WhatdoresearchersfromGermanyandDenmarkfind?A．Noisedoeslittleharmtopeoplewhoareasleep.B．Noisecancausepeople'smemorytogetworsesharply.C．Noisehasbeenawidespreadconcernforalongtime.D．Nois
8、elouderthan60decibelsmaycauseheartdisease.2．Whichwordcanreplacetheunderlinedword“disrupt”inparagraph2?A．Defeat.B．Harm
