英語(yǔ)教學(xué)課件（RJ）Goforit!九年級(jí)（上）SectionB(3a-SelfCheck)Unit6Whenwasitinvented?LearningGoalsKeywords&phrases:professional,description,allofasuddenKeysentences:1.Itisoftendifficulttodecideontheinventorofcertaininventions.2.Someinventionscanalsoleadtootherinventionsallofasudden.Studentscanwritedescriptionsfortheirinventions.Words&Expressionsprofessionaldescriptionallofasuddenadj.職業(yè)的；專業(yè)的n.描述，描寫，描繪突然地；出乎意料地WarmingupAboywasgrowingupinafamilywiththreegenerations.Hehasalwaysbeenveryclosetohisgrandfather.However,hisgrandfatherisaAlzheimerpatient（阿茲海默癥患者）.Oneday,hisgrandfatherwaswalkinginaparkwithhim,butsuddenly,hisgrandfathergotlost.Hesaidthatwasoneofthescariestmomentinhislifeandhewantedtofindoutsomewaytokeephisgrandfather’ssafe.Ifyouweretheboy,whatwouldyoudo?Whatdidtheboydotokeephisgrandfather’ssafe?What’sthenameofthisinvention?Whatprobelmcanthisinventionsolve?Howdoesthisinventionwork?pressuresensorsockThesockwilltellthecaregiverwhethertheAlzheimerpatientisleavingbyhimself/herself.Apressuresensorwasplacedontheheelofthesock.Whenthepatientstepsonthefloor,thealertwillbesenttothecaregiver’ssmartphone.Doyouthinkthepressuresensorsockisuseful?Ifyouwereabusinessman,wouldyouliketosellthisinventiontoothers?Howwouldyouintroduceittoyourcustomer?NameoftheinventionInventedbywhomWhatisitusedforHowdoesitworkGroupwork3aThinkofsomethingthatyoudonotliketodo.Thenthinkofaninventionthatcouldhelpyou.Makenotes.Pre-writingProblem:__________________________Newinvention:_____________________Whatitisusedfor:__________________quicklytakingnotesinclassaspecialpen3bWhile-writingImagineyouareabusinessperson.Writeadescriptionofyournewinvention.Trytoselltheinventiontotheclass.ThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfor...SamplewritingThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfortakingnotesquickly.Itisveryusefulifyouhavealottowritedown.Thepencomeswithamicrochipthatcanstorealistofcommonwordsthatyouwilluse.Youcanprogramthewordsyouwilluseoftenintothemicrochip’smemory,thenassignashortformtoeachword.Whenyouarewriting,youjustneedtowritetheshortformswiththepen,pressabuttononthepenandtheshortformswillchangeintotheactualwords.Themicrochipcancontainupto50wordsandyoucanmakechangestothelistofwordswheneveryouneedto.SelfCheck1.

Completethepassagewithcorrectformsofthewordsinthebox.inventdoubtmentionwebsiteallofasuddenItisoftendifficulttodecideontheinventorofcertaininventions.Thisisbecausesometimesafewpeoplemay______thingswhicharenearlythesame.It’shardtotellwhocameupwiththeideafirst.inventSomeinventionscanalsoleadtootherinventions______________.Sosomepeople_________whethertheinventorcameupwiththeideahimselforherself.Theythinkthattheinventorusedsomeoneelse’sideatocreatehisorherinvention.Thatiswhybooksor________usually_________morethanoneinventorwhengivinginformationaboutinventions.allofasuddendoubtwebsitesmention2.Rewritethesesentencesusingthepassivevoice.1.Someonestolemywatch._______________________________________2.Theyusedfiveeggstomakethisbigcake._______________________________________3.Whendidtheyinventthepersonalcomputer?_______________________________________Mywatchwasstolen(bysomeone).Fiveeggswereusedtomakethisbigcake.Whenwasthepersonalcomputerinvented?4.Theyaskedusnottoruninthehallway.___________________________________________5.Someonetookthevideobacktothestore.____________________________________________Wewereaskednottoruninthehallway.Thevideowastakenbacktothestore(bysomeone).3.Findoutinformationaboutaninventionyouwouldliketoknowmoreaboutandwritesentencesbelow.Invention:____________________________________________When:_______________________________________________Who:________________________________________________Purpose:______________________________________________Exercises用所給單詞的恰當(dāng)形式填空。Thefirstpaper__________(make)inChinain105AD.Forover500yearstheartofmakingpaper__________(limit)toChina.In610,papermaking______________(introduce)intoJapan.Kites___________(know)inChinaabout3,000yearsago.wasmadewaslimitedwasintroducedwereknown5.Wheelbarrows____________(invent)inHanDynasty.6.Gunpowder_______________(discover)bytheChinesehundredsofyearsago.7.Soccer_____________(develop)inEnglandinthe12thcentury.wereinventedwasdiscoveredwasdeveloped按照要求改寫句子。1.Weplantedthesetreesin1997.(改成被動(dòng)語(yǔ)態(tài))_______________________________________2.Hemadeacakeyesterday.(改成被動(dòng)語(yǔ)態(tài))____________________________________Thesetreeswereplanted(byus)in1997.Acakewasmadebyhimyesterday.3.Theteachergavethestudentssomeadvice.(改成被動(dòng)語(yǔ)態(tài))____________________________________________________4.Hewasseentoreadabookinhisroom.(用I作主語(yǔ),改為主動(dòng)語(yǔ)態(tài))____________________________________________________5.Shewas