英语中考冲刺四：阅读理解技巧基础讲解

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1、精品中考冲刺四：阅读理解技巧【真题再现】阅读理解【2012江苏连云港市】ASimpleScientificExperimentThisisadescriptionofasinglescientificexperiment.Itshowsushowironreacts(反应)withairandwithwater.Aim:Tofindoutifironrusts(生锈)(a)indryair;(b)inwaterthathasnoairinit(air-freewater);(c)inordinarywater.Materials:3cleanironn

2、ails(铁钉);testtubes;testtubeholder;cottonwool;oil;Bunsenburner.IronindryairMethod(1)Putsomeironnailsatthebottomofatesttube.(2)Pushsomecottonwooldownthetube.(3)Leavethetubeforoneweek.ResultThenailsdonotrust.ConclusionIrondoesnotrustindryair.Ironinair-freewaterMethod(1)Half-fillate

3、sttubewithwater.(2)Boilthewaterforthreeminutes.(Thismakessurethereisnoairinthewater.(3)Puttwoorthreecleannailsinthewater.(4)Addsomeoiltothewater.(Thiswillkeepairoutofthewater.)(5)Leavethetubeforoneweek.ResultThenailsdonotrustinthetubewithair-freewater.ConclusionIrondoesnotrustin

4、air-freewater.IroninordinarywaterMethod(1)Half–fillatesttubewithwaterandaddtwoorthreecleannails.(2)Leavethetubeforoneweek.ResultThenailsrustinthetubewithordinarywater.ConclusionIronrustsinordinarywater.1.Inthefirstpartoftheexperimentthecottonwoolismostprobablyusedto_________.A.k

5、eeptheairdryB.keepthetubewetC.makethenailsrustD.keepthetubeclean2.Whatarenecessarystepstomakesurethewaterinthetubeisairfree?①Leavehalfatubeofwaterinit②Boilthewaterforsometime③Putsomecleanironnailsinthetube④AddsomeoiltothewaterA.①②　　　　B.①③　　　　C.②③　　　　D.②④3.Wecanconcludefromtheexp

6、erimentthatonly____________makesironrusty.A.dryair　　　　B.cottonwool　　　　C.ordinarywater　　　　D.air-freewater精品【2012湖北黄冈市】WangBing’sfatherbegansmokingwhenhewasafreshman(大学一年级学生)incollege.Hisfriendpassedhimhisfirstcigarette.Hehasnowbeensmokingformorethan30years.It’saclassicexampleofho

7、wyoungpeopleareintroducedtocigarettes,exceptthatnowadayssmokersdeveloptheirhabitatanevenyoungerage.Ithasbecomeamajorconcern(担忧)inChinathatmanyteenagersbegintosmoke.Asurveyshowedthat22.5%ofthemiddleschoolstudentsquestionedhadtriedsmokingand15.8%ofthemsmokedregularly.Formanyteenag

8、ers,smokingisasymbolofbeinganadult,independence