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1、Unit6Whenwasitinvented？一重点短语1.byaccident偶然;意外地bymistake错误地；无意中2.divideinto把分成3.takeplace发生happen发生（没有被动形式）4.changetheworld改变世界5.allofasudden=suddenly突然;猛地6.Mypleasure乐意效劳7.Itissaidthat据说Itisbelievethat人们相信；人们认为8.drinkingwater饮用水9.fallinto掉入，掉进，falloff从摔下来(fellfallen)10.produceanicesmell散发出一种清香11.wit
2、houtdoubt毫无疑问；12.atalow/highprice低/高价13.translateinto把译成14.intheend=atlast=finally最后15.atthesametime同时16.stop/keep/preventfromdoingsth阻止做某事17.lookupto仰慕18.encouragesb.todosth.鼓励某人做某事19.dreamof梦想;梦见20.achieveonesdream/实现梦想onesdreamcomestrue21.haveapoint有道理22.notonlybutalso不但而且23.theOlympics奥林匹克运动会eup
3、with想出25.nearly/almostlow/highpleasure(n.)/pleasant(adj.)/pleasedmusic/musical/musiciansalt/saltycustom/customerhero/heroespopular/popularityprofession/professionalaccident/accidentalCanada/Canadian二重点语法1.辨析invent;find;findout;discoverinvent“发明”，指通过劳动运用聪明才智“发明/创造”出以前从未存在过的新事物例：Whoinventedthetelephon
4、e?Heinventedanewteachingmethodfind“找到、发现”，指找到或发现自己所需要的东西或丢失的东西，着重指找到的结果。例：WevefoundoilundertheSouthSeaIfinallyfoundmyEnglishbook.findout指经过研究或询问查明某事或真相。例：Ivefoundyououtatlast.PleasefindoutwhentheshipsailsforNewYork.Pleasefindoutwhattimethedelegationwillcome.discover“发现”，表示“偶然”或“经过努力”发现客观存在的事物、真理或错误，
5、即指发现原来客观存在但不为人所知的事物，也可表示发现已为人所知的事物的新的性质或用途。ColumbusdiscoveredAmericain1492Wesoondiscoveredthetruth我们很快就弄清了真相。【练习】aEdisontheelectriclampbIlostmynecklacelastnightIhaventitcWhoAmericafirst？dCanyouwhattimethetrainleaves？2.一般过去时的被动语态（见P188页）结构：was/were+过去分词三、作文ComputerComputersarebecomingmoreandmoreimpor
6、tantinourdailylife.Doyouknow whenthecomputerwasinvented?Thecomputerwasinventedin1946.Atthattime,itwashuge.Withthedevelopmentofscienceandtechnology,thecomputerhasgrownsmaller.Nowtherearemanykindsofcomputers,suchaspersonalcomputersandlaptops.Thecomputerisaveryusefultoolinourlife.Forexample,itcansendso
7、memessagestoforeignfriendsbye-mail.Whatsmore,itcanshareinformationwithothersthroughtheWorldWideWeb.We canalsolistentomusicorplaythegameoncomputers.Itmakesusrelax.Itshardtoimaginewhatourlifewouldbelikewithoutcomputers.Ithinkcomputerswillbemoreconvenientandtheyaregoingtochangeourlifecompletelyinthenearfuture.
