高一英语课下作业北师大版必修1《Unit3Celebration》SectionⅠ语言点三应用落实Ⅰ.句型转换1.HeissaidtogototheUSAnextyear.→ItissaidthathetheUSAnextyear.答案:willgoto2.Heissaidtohavegraduatedfromcollege.→Itissaidthathecollege.答案:hasgraduatedfrom3.Thoughtheywerehappy,therewassomethingmissing.→,therewassomethingmissing.答案:Happyastheywere4.Itishopedthatthepriceofhouseswillgodowninthefuture.→Thepriceofhousesishopedinthefuture.答案:togodown5.ItisknowntousallthatlotsofstudentsgoontheInternetjustforgames.→,lotsofstudentsgoontheInternetjustforgames.答案:AsweallknowⅡ.单项填空1.—IsBobstillperforming?—I’mafraidnot.Heissaid________thestagealreadyashehasbecomeanofficial.A.tohaveleftB.toleaveC.tohavebeenleftD.tobeleft解析:用sb./sth.besaidtodo/tohavedonesth.表示“据说某人/某物要做/已做了某事”。“离开舞台”这一动作已发生,所以用不定式的完成式表示。答案:A2.________thedaywenton,theweathergotworse.A.WithB.SinceC.WhileD.As解析:As引导伴随状语从句,句意:随着这一天的流逝,天气变得更糟了。而A选项with也有“随着”的意思,但with是介词,后面不能接句子。若用with,句子应改写为:Withthedaygoingon,theweathergotworse.故选D。答案:D3.—Mum,canIgoouttoplayfootballwithJessics?—No,youcan’t________yourhomeworkisbeingdone.A.beforeB.untilC.asD.when解析:此题首先可排除A、B项,因为后面从句中是现在进行时,即做作业这一动作还未完成,故不能选before,until;另外,when:duringoratthetimethat“在……时候”;as1=since/because,表示原因,从全句看,后面应该解释原因,故选C。答案:C2