Unit1Wisemeninhistory学习目标:1、反义疑问句A.反意疑问句系统讲解B.反义疑问句系统复习(二)2.感叹句的五种常用句式3、句子的种类一、课文再现Unit1WisemeninhistoryArchimedesandthegoldencrownOnedayinancientGreece,KingHieroaskedacrownmakertomakehimagoldencrown.Atfirst,hewasveryhappywithit.1.asksbtodosthasksbnotdodosth2.makehimagoldencrownmakesbsth3.Atfirst,.....Later,....4.hewasveryhappywithit.behappywithsb/sth“It’sanicecrown,isn’tit?”heaskedhismen.Later,however,hebegantodoubtthatitwasarealgoldencrown.“Isitmadecompletelyofgold?”hewondered.HesentittoArchimedesandaskedhimtofindoutthetruth.5.It’sanicecrown,isn’tit?6.doubtthat7.Isitmadecompletelyofgold?bemadeof/from/upof8.sentittoArchimedessendsthtosb9.askedhimtofindoutthetruth.10.askedhimtofindoutthetruth.lookfor&find&findoutlookfor强调"找"的动作和过程。如:I'mlookingformybook.我正在找我的书。find强调"找"的结果,即"找"到还是没"找"到。如:Ilookformybookeverywhere,butIcan'tfindit.我到处找我的书,但没找到。findout表示"查出,努力查找"。往往是指通过努力去查明事情的真相或查找答案等。如:Theteachertriestofindoutwhoisnotintheclassroom.老师试着查出谁没在教室。“Thisproblemseemsdifficulttosolve.WhatshouldIdo?”thoughtArchimedes.Archimedeswasstillthinkingaboutthisproblemashefilledhisbathwithwater.Whenhegotintothebath,somewaterranover.11.Thisproblemseemsdifficulttosolve.be/seem+adjtodoThisquestioniseasytoanswer.Heisnoteasytoplease.12.Archimedeswasstillthinkingaboutthisproblemashefilledhisbathwithwater.Ashegrewolder,helearnttodomanydifferentthings.as的用法①as引导时间状语从句时常可和when换用,但较强调同时发生,多指短暂动作。AsIleftthehouse,Iforgotthekey.我离家时,忘了带钥匙。②as还可说明两种正在发展或变化的情况,“随着...”的意思,表时间的推移。如:AsIgetolder,Igetmoreoptimistic.随着年龄的增长,我变得更加乐观。③as表“一边…一边…”,引出伴随动作。Hehurriedhome,lookingbehindashewent.他匆忙地回家,边走边往后看。④用以强调两个动作紧接着发生。Ashewasgoingout,itbegantorain.当他出去的时候,天开始下雨了。⑤as有时引出一个名词,相当于一个时间状语从句。Asaboy(whenhewasaboy),hewashopelessatmaths.当他是孩子时,他对数学失去希望。4)as、when、while用法一览表。类别作用例句asas表示“当……的时候”,往往和when/while通用,但它着重强调主句与从句的动作或事情同时或几乎同时发生。ShecameupasIwascooking.(同时)Therunnersstartedasthegunwentoff.(几乎同时)when(atorduringthetimethat)既可以表示在某一点的时候,又可表示在某一段时间内,主句与从句的动作或事情可以同时发生也可以先后发生。Itwasrainingwhenwearrived.(指时间点)Whenwewereatschool,wewenttothelibraryeveryday.(在一段时间内)whilewhile意思是“当……的时候”或“在某一段时间里”。主句中的动作或事情在从句中的动作或事情的进展过程中发生,从句中的动词一般要用延续性动词。在when表示aperiodoftime时,两者可以互换。Pleasedon’ttalksoloudwhileothersareworking.Hefellasleepwhile/whenreading.Strikewhiletheironishot.(用as或when不可,这里的while意思是“趁……”)13.thinkof/aboutthinkover14.fill....with...befilledwithTheyfilledthebowlwithrice.=Thebowlwasfilledwithrice.“That’sit!”shoutedArchimedes.“Iknowhowtosolvetheking’sproblem!”Archimedeswentstraighttothepalacetoseetheking.First,heweighedthecrownandaskedthekingforsomegoldofthesameweight.15.Iknowhowtosolvetheking’sproblem!疑问词+不定式动词有些动词,如“ask,show,tell,advise,inform,teach”等,可以先有个宾语,然后才接着加上适当的“疑问词+不定式动词”结构16.heweighedthecrownanda...