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时间:2020-09-02
《高考英语二轮专题检测精品练习:阅读理解23Word版含答案.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、2015届高考英语二轮专题检测精品练习:阅读理解(23)AAnewstudyhasfoundnoevidencethatsunscreen,commonlyusedtoreducetheriskofskincaner,actuallyincreasestherisk.ResearchersfromtheUniversityoflowsbasedtheirfirdingsonareviewof18earlierstudiesthatlookedattheassocistionbetweensunscreenus
2、eandmelanoms(黑素瘤).Theysaidthattheyfoundflawsinstudiesthathadreportedassociationsbetweensunscreenuseandhigherriskofmelanoma.Mosthealthexpertsbelievethatbyprotectingtheskinfromtheharmfuleffectsofthesun,sunscreenhelpspreventskincancer,whichisincreasinginincide
3、nce(发生率)fasterthananyothercancerintheUnitedStates.Butquestionshavebeenraisedaboutsunscreenandwhetheritmayhavetheoppositeeffect,perhapsbyallowingpeopletoremainexposedtothesunlongerwithoutburning.Theresearcherssaidthatamongtheproblemswithsomeearlierstudiesist
4、hattheyoftenfailedtotakeintoaccountthatthosepeoplemostatriskforskinconcer—peoplewithfairskinandfreckles(雀斑),forexample—aremorelikelytousesunscreen.Asaresult,itmayappearthatsunscreenusersgetcancermoreoften.Thestudies,whichgenerallyreliedonvolunteerstorecallt
5、heirsunscreenuse,werealsounabletoprovehowwelltheproductshadbeenapplied,saidthenewstudy.72.Theunderlinedword“flaws”inthe2ndparagraphmostprobablymeans.A.evidencesB.factsC.faultsD.failures73.Peoplewithfairskinandfreckles.A.seldomusesunscreenB.aremoreindangerof
6、skinconcerC.canbefreefromtheharmofthesunD.oftenexposethemselvestothesun74.Wecanlearnfromthepassagethat.A.sunscreenusersgetskincancermoreoftenB.thevolunteershaveprovedtheeffectofsunscreenC.thenewstudywasbasedontheexperiencesofvolunteersD.thenumberofskincance
7、rpatientsisincreasinginAmerica75.Whichofthefollowingcanbethebeattitleforthispassage?A.SunscreentoPreventSkinCancerB.SunscreentoIncreaseSkinCancerC.SkinCancerCausedbySunscreenD.SkinCancerCausedbyFrecklesB(2014四川卷)Womenarefriendly.Butmenaremorecompetitive.Why
8、?Researchershavefoundit'salldowntothehormoneoxytocin(荷尔蒙催生素).Althoughknownasthelovehormone,itaffectsthesexesdifferently."Womentendtobesocialintheirbehavior.Theyoftensharewithothers.Butmenlendtobecompet
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