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1、2019版高考英语阅读理解一轮提升选练（23）李仕才AIfyouthinkthatrunningmarathonswillhelpyoulivealongandhealthylife,newresearchmaycomeasashock.Accordingtoarecentscientificstudy,peoplewhodoaverystrenuousworkoutareaslikelytodieaspeoplewhodonoexerciseatall.ScientistsinDenmarkhavebeenstudy
2、ingover1,000joggersandnon-joggersfor12years.Thedeathratesfromthesamplegroupindicatethatpeoplewhojogatamoderatepacetwoorthreetimesaweekforlessthantwoandahalfhoursintotalareleastlikelytodie.Thebestspeedtojogatwasfoundtobeabout5milesperhour.Theresearchsuggeststhatp
3、eoplewhojogmorethanthreetimesaweekorathigherspeedsofover7mphdieatthesamerateasnon-joggers.Thescientiststhinkthatthisisbecausestrenuousexercisecausesstructuralchangestotheheartandarteries(动脉).Overtime,thiscancauseseriousinjuries.PeterSchnohr,aresearcherinCopenhag
4、en,said,“Ifyourgoalistodecreaseriskofdeathandimprovelifeexpectancy,joggingafewtimesaweekatamoderatepaceisagoodstrategy.Anythingmoreisjustunnecessary,anditmaybeharmful.”Theimplicationsofthisarethatmoderateformsofexercisesuchastaichi,yogaandbriskwalkingmaybebetter
5、forusthan“ironman”events,triathlonsandlong-distancerunningandcycling.AccordingtoJacobLouisMarott,anotherresearcherinvolvedinthestudy,“Youdon’tactuallyhavetodothatmuchtohaveagoodimpactonyourhealth.Andperhapsyoushouldn’tactuallydotoomuch.”1.Theunderlinedword“stren
6、uous”inParagraph1isclosestinmeaningto“ ”. A.hardB.regularC.practicalD.flexible12答案:A解析:词义猜测题。此处指像马拉松一样的锻炼,所以strenuous应与hard意思相近,表示“艰苦的,费力的”。regular“定时的”;practical“实用的”;flexible“灵活的”。2.TheauthorpresentssomefiguresinParagraph2to . A.suggestgivingupjoggingB.sho
7、wrisksofdoingsportsC.providesupportiveevidenceD.introducetheresearchprocess答案:C解析:写作目的题。作者在第二段中采用了列数字的方法,是为了提供支持的证据,能更有力地说明第一段的研究结论。3.Accordingtothescientists,whyistoomuchexerciseharmful?A.Itmayinjuretheheartandarteries.B.Itcanmakethebodytiredout.C.Itwillbringmu
8、chpressure.D.Itconsumestoomuchenergy.答案:A解析:细节理解题。根据第二段的最后两句“Thescientiststhinkthatthisisbecausestrenuousexercisecausesstructuralchangestotheheartandarteries.Overtime
