欢迎来到天天文库
浏览记录
ID:55817871
大小:93.00 KB
页数:10页
时间:2020-06-08
《中考英语 阅读理解实战演练之科学小品篇.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、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
此文档下载收益归作者所有