Grade9Unit6Whenwasitinvented?SectionA(GF-4c)1.What’sthis?2.Whatdoyouwanttoknowaboutthisinvention?Zipper=zip2dListenandfillthechart.Asmallbut

inventionthatchangedtheworldTheitemThezipper.ThereasonsIt’softenusedinour_________.（Zippers

________________onmanykindsofclothes.)ThetimeItwasinventedin1893.Itbecame_______popularin1917.The_________WhitcombJudsongreatcanbeseen/usedwidelyinventordailylives/?w?tk?m//?d??ds?n/Whydotheytalkaboutzipper?WasRoyhappytohelpPaul?DidPaulagreewithRoyfinally?WhydidRoyadvisePaultowritesomethingaboutthezipper?oneofthefirstpeopletobeinvolvedinitanddevelopitsaysomethingaboutitschoolprojectzipper!great?WhatfurtherstudywillPauldo?WhitcombJudson1893PaulRoy(werelisted)(isused)(wasinvented)(wasn’tused)Let’sreviewthestoryoftea.Tea,oneoftheworld’sfavoritedrinks________________byaccident.wasinventedIt_______first_________byShenNongabout5,000yearsago.ChaJingdescribeshowteaplants________________.Italsodiscusseswherethefinesttealeaves_______________andwhatkindsofwater________________.wasdrunkweregrownwereproducedwereusedPassiveVoicebe(is/are)donewas/weredonePassiveVoice主動(dòng)語(yǔ)態(tài)被動(dòng)語(yǔ)態(tài)PassiveVoiceActivevoice:Passivevoice:Subject(主語(yǔ))

+v.+Object(賓語(yǔ))Subject(主語(yǔ))

+bedone.+bysb.Payattentiontothetense!ActiveVoiceWhatquestionscanweaskaboutinventions?Passivevoice:bedoneActiveVoice:Whendidtheyinventthezipper?PassiveVoice:When

wasthezipperinvented(bythem)?Mywatchwasstolen(bysomeone).Fiveeggswereusedtomakethisbigcake.Whenwasthepersonalcomputerinvented？Wewereaskednottoruninthehallway.Thevideowastakenbacktothestore(bysomeone).Tip:找出原句的主謂賓成分，再調(diào)整順序。Rewritethesentencesusingthepassivevoice.1.Theysoldthefridgeatalowprice.Thefridgewassoldatalowprice.2.Somebodystolemycamerafrommyhotelroom.3.Wheredidyoutakethephotosofthesewolves?Mycamerawasstolenfrommyhotelroom(bysomebody).Wherewerethesephotosofwolvestaken?4.Theguidewarnedthemnottoclimbthemountaininbadweather.5.Differentwriterstranslatedthebookintodifferentlanguages.Theywerewarnedbytheguidenottoclimbthemountaininbadweather.Thebookwastranslatedintodifferentlanguagesbydifferentwriters.4atranslationtranslatorwereinvitedwaslockedrangweretoldbrokewereeatenlikedwerebroughtsuddenlyring-rang-runglockbellwereinvitedwaslockedrangwastoldbrokewereeatenlikedwerebroughtAlexanderGrahamBell1847－1922

telephone

hearing-aidwassaidwasinventedisusedwasinventedwasbornworkedlearnedPairworkA:Hey,B.Doyouknowsomethingaboutthetelephone?B:Ofcourse.A:Well,whowasitinventedby?B:...A:When...?B:...A:How...?B:...A:What'sthefirstsentence...?B:...A:Whichplaceisittakento?B:...Workinpairs.Talkabouttheinventionofthetelephone.A:Hey,B.Doyouknowsomethingabout