（课标通用）2018版高考英语大一轮复习Unit2Poems课时作业新人教版选修6

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1、Unit2PoemsI.阅读理解[2017・皖南名校联盟联考]Ifdrinkingcoffeeorteahasbecomepartofyourdailyroutine,youmightwonderwhatit，sdoingtoyourlong-termhearthealth・NewresearchfromArtoriosc1erosis,Thrombosis,andVascularBiology,ajournal（期刊）oftheAmericanHeartAssociation,foundthathighteaconsumptionandpropercoffeeconsumptionmay

2、beassociatedwithdecreasedratesofdeathfromcoronaryheartdisease（CUD）（冠心病）.Thestudyfollowedmorethan37,000teaandcoffeedlinkersover13years.Participantscompletedfoodrecallstodocumenttheirtypicalintakeofteaandcoffee,andweredividedintogroupsthatrangedfrom1ighttoheavyconsumption.Researchersaccountedforvari

3、ables（变量）suchashealthhistories,height,weight,andwaistcircumference（腰圉）andrecordedthenumberofdeathsfromcardiovascular（心血管的）diseaseandstrokeduringthestudyperiod.Overal1resultsshowedthatconsumingmorethansixcupsofteaperdaywasassociatedwitha36%lowerriskofdeathfromheartdiseasecomparedtoconsuminglessthan

4、onecupofteaperday.Thereappearedtobenosuchprotectiveeffectoftea—drinkingatanyamountforriskofdeathfromstroke.Amongcoffeedrinkers,moreproperconsumptionlevels（2—3cupsperday）wereassociatedwiththegreatestriskreductionfordeathfromheartdisease（21%）comparedtodrinkinglessthanonecupofcoffeeperday.Researchers

5、acknowledgedcertaininconelusivevariableswithintheirfindings・Forexample,thedifferencebetweendecaffeinated（去咖啡因的）andregularcoffeecouldnotbeaccuratelyaccoimtedfor,norcouldspccificrecommcndationsbemadefortypeoftea,thoughduotoitspopularityintheNetherlandswherethestudytookplace,researchersassumedmosttea

6、consumptiontobeblacktea.Furthermore,researchersfoundthatteaandcoffeedrinkershadoppositelifestyles,withteadrinkerstendingtoengageinhealthy1ifestylehabitsandcoffeedrinkersbeingmorelikelytoeatlesshealthilyandsmoke.ItwasdifficuIttosaywithcertaintywhatimpacttheseotherlifestylevariablesmayhavecontribute

7、dtotheoveral1results・1-What"stheconclusionofthestudy?A.Peopleshoulddrinkteaandcoffeeasmuchaspossible.B.DrinkingmoreteamaybenefitpeoplewithCHD.C.Highteaconsumptionmayreducetherateofstroke.D.Coffeeconsumptionhasnot