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Unit6Whenwasitinvented?SectionB3a—SelfCheckReview一般过去时被动语态一般过去时的被动语态表示过去某一时刻发生的被动性动作，其基本结构为：主语+was/were+过去分词+by...翻译：他们两年前看过这位老师。Theteacherwasvisitedbythemtwoyearsago.主动变被动解题步骤：1.找宾语——2.判断宾语的单复数——3.判断动词的时态——4.修改谓语的时态——5.修改原句的主语——即动作的承受者即be动词的单复数即be动词的时态即原句动词改为过去分词即by+主语/宾语be要随着主语变逻辑主语by来引1.Tombrokethewindow.ThewindowwasbrokenbyTom.2.Hebrokethewindows.Thewindowswerebrokenbyhim.3aThinkofsomethingthatyoudonotliketodo.Thenthinkofaninventionthatcouldhelpyou.Makenotes.•Problem:__________________________•Newinvention:__________________•Whatitisusedfor:______________quicklytakingnotesinclassaspecialpenImagineyouareabusinessperson.Writeadescriptionofyournewinvention.Trytoselltheinventiontotheclass.3bThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfor…ThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfortakingnotesquickly.Itisveryusefulifyouhavealottowritedown.Thepencomeswith(自带)amicrochipthatcanstorealistofcommonwordsthatyouwilluse.Youcanprogramthewordsyouwilluseoftenintothemicrochip’sSamplewritingmemory,thenassign(分配)ashortformtoeachword.Whenyouarewriting,youjustneedtowritetheshortformswiththepen,pressabuttononthepenandtheshortformswillchangeintotheactualwords.Themicrochipcancontainupto50wordsandyoucanmakechangestothelistofwordswheneveryouneedto.Asyoupourinyourhotdrink,thecolorchanges.ColorchangingcupSmartandcreativeinventionsIt’sthensafeforyoungchildrentoeatthefruit.It’sconvenient.计算机在我们的生活、工作中的作用越来越大，你知道计算机的起源与发展吗？请结合计算机的发明时间(1946年）、外形、用途等方面，谈一下它的发展变化，并说明你对未来计算机的畅想。要求：1.意思连贯，语句通顺；词数不少于80。练一练这是一篇事物介绍类的说明文，根据题目提示可考虑采用下面的模板。计算机引出话题介绍发明畅想未来...importantinourdailylife.时间:Thecomputerwasinventedin...外形：...washuge.用途:sendsomemessages...open...Ithinkcomputersaregoingto...ComputerComputersarebecomingmoreandmoreimportantinourdailylife.Doyouknowwhenthecomputerwasinvented?Thecomputerwasinventedin1946.Atthattime,itwashuge.Withthedevelopmentofscienceandtechnology,thecomputerhasgrownsmaller.Nowtherearemanykindsofcomputers,suchaspersonalcomputersandlaptops.Thecomputerisaveryusefultoolinourlife.【参考范文】Forexample,itcansendsomemessagestoforeignfriendsbye-mail.What’smore,itcanshareinformationwithothersthroughtheWorldWideWeb.Wecanalsolistentomusicorplaythegameoncomputers.Itmakesusrelax.It’shardtoimaginewhatourlifewouldbelikewithoutcomputers.Ithinkcomputerswillbemoreconvenientandtheyaregoingtochangeourlifecompletelyinthenearfuture.SelfCheck1Completethepassagewiththecorrectformsofthewordsinthebox.inventdoubtmentionwebsiteallofasuddenItisoftendifficulttodecideontheinventorofcertaininventions.Thisisbecausesometimesafewpeoplemay_______thingswhicharenearlythesame.It’shardtotellwhocameupwiththeideafirst.Someinventionscanalsoleadtootherinventionsinvent______________.Sosomepeople_________whethertheinventorcameupwiththeideahimselforherself.Theythinkthattheinventorusedsomeoneelse’sideatocreatehisorherinvention.Thatiswhybooksor________usually_________morethanoneinventorwhengivinginformationaboutinventions.allofasuddendoubtwebsitesmention2Rewritethesesentencesusingthepassivevoice.1.Someonestolemywatch.2.Theyusedfiveeggstomakethisbigcake.3.Whendidtheyinventthepersonalcomputer?4.Theyaskedusnottoruninthehallway.5.Someonetookthevideobacktothestore.1.Someonestolemywatch.2.Theyusedfiveeggstomakethisbigcake.Mywatchwasstolenbysomeone.Fiveeggswereusedtomakethisbigcakebythem.3.Whendidtheyinventthepersonalcomputer?4.Theyaskedusnottoruninthehallway.5.Someonetookthevideobacktothestore.Whenwasthepersonalcomputerinvented?Wewereaskednottoruninthehallwaybythem.Thevideowastakenbacktothestorebysomeone.3Findoutinformationaboutaninventionyouwouldliketoknowmoreaboutandwritesentencesbelow.Invention:When:Who:Purpose:switchplug(断路插头)2012年，富超穎(中国)scootercarriage(滑板婴儿车)2007年ValentinVodev(奥地利)ExerciseⅠ.Fillintheblankswiththecorrectformofthegivenverbs.1.Thefirstpaper__________(make)inChinain105AD.2.In610,papermaking______________(introduce)intoJapan.wasmadewasintroduced3.Kites___________(know)inChinaabout3,000yearsago.wereknown4.Wheelbarrows(独轮手推车)_____________(invent)intheHanDynasty.5.Gunpowder(火药)______________(discover)bytheChinesehundredsofyearsago.6.Soccer_____________(develop)inEnglandinthe12thcentury.wereinventedwasdiscoveredwasdevelopedⅡ.按要求改写下列各句。1.Weplantedthesetreesin1997.(改成被动语态)________________________________________2.Hemadeacakeyesterday.(改成被动语态)________________________________________3.Theteachergavethestudentssomeadvice.(改成被动语态)______________________________________________Thesetreeswereplanted(byus)in1997.Acakewasmadebyhimyesterday.Someadvicewasgiventothestudentsbytheteacher.4.Hewasseentoreadabookinhisroom.(用I作主语,改为主动语态)___________________________________________5.Shewashelpedbyallthepeople.(改成一般疑问句)____________________________________________Isawhimreadabookinhisroom.Wasshehelpedbyallthepeople?Ⅲ.完成句子。1.在200多个国家中，超过一亿人打(篮球)，包括中国。_____________________by______________100millionpeopleinover200countriesincludingChina.2.篮球是由加拿大一位叫詹姆斯·奈史密斯的博士发明的。Basketball________________________aCanadiandoctornamedJamesNaismith.Itisplayedmorethanwasinventedby3.人