中考英语阅读理解实战演练之科学小品篇SectionIII科学小品篇Passage23Researchers(研究者)haveannounced(宣布)theresultoftwostudiesonthehealtheffectsofthedrugaspirin(阿斯匹林).Onestudyshowsaspirincansharplyreducethechancethatahealthy,oldermanwillsufferfromaheartattack(心脏病).Thestudyofferedtwonewresultsfromearlierfindings.Itsaidtakingoneaspirinpilleveryotherdayhelpedonlyhealthymenovertheageoffifty.Italsosaidaspiringavethegreatestprotectionagainstheartattackstomenwithlowbloodcholesterol(胆固醇)levels.EarlierintheUnitedStatesbeganamajoraspirinstudyintheearly1980s.Itincluded22,000healthymendoctors.Allwerebetweentheagesoffortyandeighty-four.Morethan11,000ofthedoctorstookaharmlesspillthatcontainednodrug.Themendidnotknowwhichkindofpilltheyweretaking.Thedoctorswhotookaspirinsuffered44%fewerheartattacksthanthosetakingtheharmlesspill.139menwhotookaspirinsufferedfromheartattacks.Tenofthemdied.239menwhodidnottakeaspirinsufferedfromheartattacks.Twenty-sixofthemdied.Theresearcherssaidthedoctors’studyprovidesclearproofthattakingaspirincanpreventafirstheartattackinhealthy,oldermen.Theysaid,however,theresultdoesnotmeaneverymanovertheageoffiftyshouldtakeaspirin.Theysaidaspirincouldn’thelpmenwhodonoteathealthyfoods,whosmokecigarettesandwhoarefat.Theresearcherssaidmenwhothinktheywouldbehelpedbytakingaspirinshouldtalkwiththeirdoctorsfirst.1.Thepassagetellsusthatthenewuseofaspirinis______.A.totreatheartdiseaseB.toreducepainwhileonesuffersfromaheartattackC.tohelpoldpeopletobemorehealthyD.toreducethechanceofaheartattackinoldmen2.Aspirincanhelpthosewho______.AworkasdoctorsB.areunder40yearsoldC.arefatandsmokecigarettesD.areolderandhealthy3.Atlasttheresearchersadvisedustotakeaspirin______.A.withcareB.asmuchaswelikeC.everydayD.onlyconsideringtheage4.Fromtheexperimentwecanconcludethatabout_____ofpeoplewhosufferedfromheartattackswithoutaspirindied.A.7%B.11%C.19%D.44%Passage24Itseemstobestrangetoyouthereisablindspot(盲点)ontheeyes.Hereisaninterestingexperiment(实验)thatcanmakesomethingdisappear,whenoneeyeisopen.MakeacardaboutthesizeofapostcardandwritetwoEnglishlettersLandRonit,LontheleftandRontheright.First,holdthecardabout80cmawayandyouseeboththeletters.ThencloseyourrighteyeandlookattheletterRonlywithyourlefteye.Andnow,asyoumovethecardslowlytowardsyou,you’llfindtheletterLdisappearing.Butifyoumovethecardnearertoyourface,theletterwillbeseenagain.Nowdothesameexperimentwithyourlefteyeclosed,you’llfindtheletterRdisappearing.Whydoestheletterdisappear?Itisbecausethereisablindspotontheeye.Whentheimage(影像)oftheletterfallsontheblindspot,itwon’tbeseen.Thatiswhyeitherofthelettersdisappears.1.Thewriterofthepassagethinksthat_____thereisablindspotontheeye.A.fewpeopleknowB.nooneknowsC.mostpeopleknowD.allthepeopleknow2.Theword“disappear”inthepassagemeans________inChinese.A.驱散B.消散C.消失D.遗失3.YoufailtoseetheletterLintheexperimentbecause___________.A.youreyesarepoorB.itsimagefallsontheblindspotD.yourlefteyeisnotopenC.youmoveitclosetoyoureye4.Inwhichorder(顺序)shouldyoudotheexperiment?①Holdthecard②Movethecardnearer③Closeyourrighteye④WritetwoEnglishletters⑤LookattheletterR⑥MakeacardA.④⑥①②③⑤B.①③⑥④⑤②C.⑥①④③②⑤D.⑥④①③⑤②5.Thepassagemainly(主要)tellsus_______.A.howtofindtheblindspotB.aninterestingexperimentC.wheretheblindspotisD.thereisblindspotontheeyePassage25Differentweathermakespeoplef...
