沪教版英语八年级下册第三单元8B Unit3 more practice习题含答案.docx

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1、8BUnit3morepractice习题含答案一.单项选择1.EverSaturday,WangWeifangandhisfriends_____aplayinasmalltownnearXi’an.A.putoutB.putoffC.putonD.putdown2.Shadowpuppetare______hardleather.A.madeintoB.madeofC.madefromD.madeup3.WangWeifangandhisfriendsdothe______ofthedifferentcharacters.A.voices

2、B.soundsC.noiseD.shout4.NowwithTVandfilms,shadowpuppetplaysarenot______before.A.morepopularasB.aseasilyasC.soeasierasD.aspopularas5.Theyoftenworkveryhardforlittlemoney,______theydonotmind.A.andB.butC.soD.or二.阅读回答WhenIsaacNewton(1642-1727)wasyoung,everyonethoughtthattherewer

3、etwocolorsinlight,blackandwhite.Newtonlikedtoaskquestions.Heasked,"Isittruethatthereareonlytwocolors?”Attheageof24,hesaid,"Idon'tthinkthatitistrue.Ithinkthatallcolorstogethermakeupwhitelight.”Hehadtoprovehisidea.Howcouldheproveit?Hesaid,"Whenwhitelightgoesthroughaglassprism

4、(棱镜），itwillbecomedifferentcolors.Ithinkthatthesedifferentcolorswillbecomewhiteagainwhentheygothroughanotherglassprismtogether.”Hedecidedtodoatest.Whatdidhelearn?First,helearntthatwhitelightismadeupofatleastsevendifferentcolors.Second,helearntthatthesecolorstogetherformwhite

5、light.Newtonsaid,"I'lltellpeopleaboutmytest."Onlyafewpeoplesaid,"Iunderstandyou!”Evenfewerpeoplesaid,"Iagreewithyou!"However,todayeveryoneknowsNewtonwasright.6.DidNewtonthinkthattherewereonlytwocolors?7.WhatwasNewton'sideaaboutwhitelight?8.Howdidheprovehisidea?9.Howmanycolo

6、rsisthewhitelightmadeupofaccordingtothetest?10.DidmostpeopleagreeordisagreewithNewton?答案：1-5CBADB6.No.7.Allcolorstogethermadeupwhitelight.8.Byatest.9.Atleastsevendifferentcolors.10.MostpeopledisagreedwithNewton.