中考英语 阅读理解实战演练之科学小品篇.doc

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1、SectionIII科学小品篇　Passage23　　Researchers(研究者)haveannounced(宣布)theresultoftwostudiesonthehealtheffectsofthedrugaspirin(阿斯匹林).Onestudyshowsaspirincansharplyreducethechancethatahealthy,oldermanwillsufferfromaheartattack(心脏病).　　Thestudyofferedtwonewresultsfromearlierfindings.Itsaidtaking

2、oneaspirinpilleveryotherdayhelpedonlyhealthymenovertheageoffifty.Italsosaidaspiringavethegreatestprotectionagainstheartattackstomenwithlowbloodcholesterol(胆固醇)levels.　　EarlierintheUnitedStatesbeganamajoraspirinstudyintheearly1980s.Itincluded22,000healthymendoctors.Allwerebetweenthe

3、agesoffortyandeighty-four.Morethan11,000ofthedoctorstookaharmlesspillthatcontainednodrug.Themendidnotknowwhichkindofpilltheyweretaking.　　Thedoctorswhotookaspirinsuffered44%fewerheartattacksthanthosetakingtheharmlesspill.139menwhotookaspirinsufferedfromheartattacks.Tenofthemdied.239

4、menwhodidnottakeaspirinsufferedfromheartattacks.Twenty-sixofthemdied.　　Theresearcherssaidthedoctors’studyprovidesclearproofthattakingaspirincanpreventafirstheartattackinhealthy,oldermen.Theysaid,however,theresultdoesnotmeaneverymanovertheageoffiftyshouldtakeaspirin.Theysaidaspirinc

5、ouldn’thelpmenwhodonoteathealthyfoods,whosmokecigarettesandwhoarefat.Theresearcherssaidmenwhothinktheywouldbehelpedbytakingaspirinshouldtalkwiththeirdoctorsfirst.　　1.Thepassagetellsusthatthenewuseofaspirinis______.　　A.totreatheartdisease　　B.toreducepainwhileonesuffersfromaheartatta

6、ck　　C.tohelpoldpeopletobemorehealthy　D.toreducethechanceofaheartattackinoldmen　　2.Aspirincanhelpthosewho______.　　AworkasdoctorsB.areunder40yearsold　　C.arefatandsmokecigarettesD.areolderandhealthy　　3.Atlasttheresearchersadvisedustotakeaspirin______.　　A.withcareB.asmuchaswelike　　C.ev

7、erydayD.onlyconsideringtheage　　4.Fromtheexperimentwecanconcludethatabout_____ofpeoplewhosufferedfromheartattackswithoutaspirindied.　　A.7%B.11%C.19%D.44%　　Passage24　　Itseemstobestrangetoyouthereisablindspot(盲点)ontheeyes.Hereisaninterestingexperiment(实验)thatcanmakesomethingdisappear,

8、whenoneeyeisopen.　　Makeaca