资源描述：
《2019中考英语 语法聚焦和练习 八下 Unit 3-4 人教新目标版》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、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,Australia,foun
2、dawaytoputspecialnanostructures(纳米结构)intoclothing,whichcanthencleantheclothes.Whensunlighthitsthenanostructures,theybreakdownthedirtandmarksthatdon’tbelongonyourclothes.③Thenanostructuresdon’tbreakdowntherealclothingbecausecottonandtheotherclothingmaterialsaretoostrongtobrea
3、kdown.AccordingtoCNN,theresearcherscovertheclothinginasolutionmadeofsilverandcopper(铜)nanostructures.Allittakesis40minutesofsunlightandyourclotheswilllookasgoodasnew.④Soifyouspillonyourselfduringlunch,youcanstepoutsideforawalk,anditwillbecleanbythetimeyougoinside.Itnotonlyma
4、kesyourlifeeasier,butitcanalsobegoodfortheenvironment.⑤AccordingtotheUSDepartmentofEnergy,washingapieceofclothingusesabout25gallonsofwater.Waterisaveryimportantresource,sousinglessofittowashclothesisbetterfortheenvironment.ButoneofthescientistsatRMITUniversityknowsmoreneedst
5、obedone.⑥“There’smoreworktodobeforewecanstartthrowingoutourwashingmachines,”saidDrRajeshRamanathan,“butthisisastrongfoundation(基础).”Sowhat’sthenextstep?Ramanathanwantstoeitherstartsellingthesolutionbyitselforaskingclothingmakerstotreat(处理)theclothingwiththesolutionwhilecloth
6、esarebeingmade.1.Accordingtothefirstthreeparagraphs,_____.A.theself-cleaningclothesareeasilywornoutB.theclotheswillbecoveredwithsilverandcopperafterself-cleaningC.peoplecanusetheself-cleaningclothesonrainydaysD.thenanostructurescanbreakdowndirtandmarksonclothes2.Whatdoestheu
7、nderlinedword“solution”inParagraph3mean?A.方案B.溶液C.水盆D.模型3.WhatdoParagraphs4&5talkabout?A.Howtheself-cleaningclothesaremade.B.Howtheself-cleaningclotheswork.C.Whatadvantagestheself-cleaningclotheshave.D.Whathelpstheself-cleaningclotheswork.4.Fromthepassage,welearnthat_____.A.
8、it’stimetothrowoutourwashingmachinesB.thesolutionsellswellC.clothingmakersl
