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1、2019中考英语人教八下U3—4语法聚焦和练习及答案一、阅读理解。阅读下列短文，根据短文内容选择最佳答案。①Somedays,don’tyouthink,“Wouldn’titbeniceiftheclothesjustwasheditself?”Self-cleaningclothesmaysoundcrazy.ButAustralianresearchershavefoundawaytomakesomethinglikethispossible!②AteamatRMITUniversityinMelbourne
2、,Australia,foundawaytoputspecialnanostructures(纳米结构)intoclothing,whichcanthencleantheclothes.Whensunlighthitsthenanostructures,theybreakdownthedirtandmarksthatdon’tbelongonyourclothes.③Thenanostructuresdon’tbreakdowntherealclothingbecausecottonandtheothercloth
3、ingmaterialsaretoostrongtobreakdown.AccordingtoCNN,theresearcherscovertheclothinginasolutionmadeofsilverandcopper(铜)nanostructures.Allittakesis40minutesofsunlightandyourclotheswilllookasgoodasnew.④Soifyouspillonyourselfduringlunch,youcanstepoutsideforawalk,and
4、itwillbecleanbythetimeyougoinside.Itnotonlymakesyourlifeeasier,butitcanalsobegoodfortheenvironment.⑤AccordingtotheUSDepartmentofEnergy,washingapieceofclothingusesabout25gallonsofwater.Waterisaveryimportantresource,sousinglessofittowashclothesisbetterfortheenvi
5、ronment.ButoneofthescientistsatRMITUniversityknowsmoreneedstobedone.⑥“There’smoreworktodobeforewecanstartthrowingoutourwashingmachines,”saidDrRajeshRamanathan,“butthisisastrongfoundation(基础).”Sowhat’sthenextstep?Ramanathanwantstoeitherstartsellingthesolutionby
6、itselforaskingclothingmakerstotreat(处理)theclothingwiththesolutionwhileclothesarebeingmade.1.Accordingtothefirstthreeparagraphs,_____.A.theself-cleaningclothesareeasilywornoutB.theclotheswillbecoveredwithsilverandcopperafterself-cleaningC.peoplecanusetheself-cl
7、eaningclothesonrainydaysD.thenanostructurescanbreakdowndirtandmarksonclothes2.Whatdoestheunderlinedword“solution”inParagraph3mean?A.方案B.溶液C.水盆D.模型3.WhatdoParagraphs4&5talkabout?A.Howtheself-cleaningclothesaremade.B.Howtheself-cleaningclotheswork.C.Whatadvantag
8、estheself-cleaningclotheshave.D.Whathelpstheself-cleaningclotheswork.4.Fromthepassage,welearnthat_____.A.it’stimetothrowoutourwashingmachinesB.thesolutionsellswellC.clothingmakersl
