九年级Unit13-Section-A(3a-Grammar-Focus)习题含答案

第1页共3页Unit13We’retryingtosavetheearthSectionA(3a—GrammarFocus)Ⅰ.根据句意及所给汉语提示，写出句中所缺单词。1.Greghasalwayswantedaguitar,buthecan't_________(买得起)one.2.Manycountriesmade_________(法律)tostopsmokinginpublicplaces.3.ThetradewithforeigncountriescausedChina's_________(工业)todevelopquickly.4.Henrywassoexcitedwhenhereceivedaninvitationtospeakata(n)_________(科学的)meeting.5.Thepoorworkerswereoftenmadetoworkmorethan16hoursadaybythe_________(残酷的)boss.Ⅱ.根据语境及所给汉语提示，完成下列句子或对话，每空一词。1.Thisword__________________(以……开始)theletter“a”.2.WhoisClaire?Ihavenever__________________(听说)her.3.Thewaitermadeamistakein__________________(加起来)thebill(账单).4.Alex___________________________(参加)manyafter-classactivitieswhenhewasatjuniorhighschool.5.Thegovernment___________________________(采取了快速的行动)tohelpthepeopleinthetrainaccident.6.—HowmuchshallI__________________(付费)thephonecall?—Youdon'thaveto.Thisisfree.7.Aftertheearthquake,thevillagerswerecompletely__________________(隔绝)fromtheoutside.8.Nellylovesfastfoodalotthoughmanyothersthinkit___________________________(对……有害)health.9.Canthemanshootthebird____________________________________(在……顶部)thetree?10.Doyouthinkthatweshould___________________________(使用公共交通)toprotectourenvironment?第2页共3页Ⅲ.根据短文内容及括号内所给(短语)动词的提示，用正确的时态或语态补全短文，使短文完整、通顺。Theclockworkradio(发条式收音机)istheonlyradiothatdoesn'tneedbatteries(电池)orelectricity.Itispoweredbyturningthehandle(手柄)foraminute.Nowadays,thousandsoftheseradios(1)_________(make)everyday.Theclockworkradio(2)_________(invent)in1991byTrevorBayliss,aBritishinventor.Trevorhadtheideawhilehe(3)_________(listento)somenewsontheradioaboutAfrica.It(4)_________(report)thatAfricansweredyingofAidsandtherewasnoeasywaytosendtheminformationaboutthedisease.ButnoonewouldhelpTrevordevelophisideaforanewkindofradio.Finally,in1993,hisinvention(5)_________(show)onaTVprogram,andafterwards,aSouthAfricanbusinessman(6)_________(hearof)Trevor'scleverideaandcontacted(联系)him.ThefirstFreeplayradios(7)_________(build)inSouthAfricain1995.Sincethen,theradios(8)_________(be)agreatsuccess.Trevorhasbeengivenmanyprizes,includingonefromNelsonMandela.Trevor(9)_________(hang)aletteronthewallinhishouse.It(10)_________(write)in1991byanotherengineer,whoexplainedwhyhethoughtTrevor'sideaforaclockworkradiocouldn'tpossiblywork!答案SectionA(3a—GrammarFocus)Ⅰ.1.afford2.laws3.industry4.scientific5.cruelⅡ.1.begins/startswith2.heardof3.addingup4.tookpartin5.tookquickaction6.payfor7.cutoff8.isharmfulto/badfor9.atthetopof10.usepublictransportation第3页共3页Ⅲ.1.aremade2.wasinvented3.waslisteningto4.wasreported5.wasshown6.heardof7.werebuilt8.havebeen9.hashung10.waswritten