Unit6SectionB（3aSelfCheck）課件人教版九年級英語全冊

Unit6Whenwasitinvented?SectionB(3a-SelfCheck）在語境中理解、識記并運(yùn)用本單元單詞、短語，獨(dú)立完成相關(guān)習(xí)題。能根據(jù)寫作要求，收集、準(zhǔn)備素材，獨(dú)立完成一篇介紹發(fā)明的文章。3.能運(yùn)用本單元的詞匯、句式及被動語態(tài)談?wù)摪l(fā)明，能夠表達(dá)

與發(fā)明有關(guān)的觀點(diǎn)和看法。Inourdailylife,therearemanyinventionsthatmakeourlifemoreconvenient.Doyouknowwhattheseinventionsareusedfor?Doyouknowothersmallinventionswithspecialdesigns?Doyouknowwhattheseinventionsareusedfor?Haveyouevermadeanydesignstomakelifebetter?Aninventionmaybeanewproductoranewwayofdoingthings.Inventionscomeaboutinmanyways.Mostofthetime,inventionshappenbecausesomeoneworkstosolveaproblem.Sometimesinventionsaretheresultofaccidents.Lookatyourschoolbags.Youhavepencils,pens,

crayons,rulersandsomebooks.Noneofthesethingswasplantedinfields.Theyweremadeinfactoriesandinventedbysomeone.Inventingisinterestingandexcitingandeveryonecanbeaninventor.

Doyouwanttobeaninventor?Whatisaninvention?Whatisaninvention?Listsomeinventionsthatyouknowandtheirinventors.Doyouthinkyoucanbeaninventor?Why?Readthepassageandanswerthequestions.Talkaboutyouropinionsoninventions.Thinkofsomethingthatyoudonotliketodo.Thenthinkofaninventionthatcouldhelpyou.Makenotes.3aProblem:________________________Newinvention:____________________Whatitisusedfor:______________________aspecialpenquicklytakingnotesinclasstakingnotesquicklyinclassWhatdoyouwanttoinventtosolveyourproblems?Imagineyouareabusinessperson.Writeadescriptionofyournewinvention.Trytoselltheinventiontotheclass.3aThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfor….Thinkofaninventionthatyouwanttointroducetoyourclass.Thenthinkabouttheadvantagesofit.體裁話題

時(shí)態(tài)人稱段落布局審題說明文新發(fā)明一般過去時(shí)一般將來時(shí)第一、二、三人稱開頭：介紹發(fā)明的時(shí)間和發(fā)明人主體：介紹發(fā)明用處和解決的問題結(jié)尾：介紹期望Ithink…isaveryusefulinvention.我認(rèn)為……是一項(xiàng)很有用的發(fā)明?！瓀asinventedby………是由……(某人)發(fā)明的…wasinventedin………是在……(某時(shí)間)發(fā)明的Itwasusedfor…

它被用來………ismadeof………是由……(材料)制成的UsefulsentencesWritebyyourselves獨(dú)立創(chuàng)作Judgeingroups組內(nèi)互評Showtime展示交流While-WritingCompleteyourwritingin10minutes.

ANewInvention_____________________

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OnePossibleVersionThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfortakingnotesquicklyinclass.Itwasinventedin2014.Itismadeofplasticandsteel.Itcanrememberwhattheteachersaid.Itcanalsohelpwritedownthemainpoints.Ithinkit’sausefulinvention.Doyouwantone?

ASSESSMENT（評價(jià)標(biāo)準(zhǔn)）Structure（結(jié)構(gòu)）2分Isthearticledividedintoseveralparts?Content（內(nèi)容）5分Areallthedetailsstated?Ifnot,addthemissingdetails.Language（語言）6分Anymistakes(spellingorgrammar)?Ifyes,correctthem.Anylinkingwords?Ifyes,circlethem.Anygoodvocabularyorsentences?Ifyes,underlinethem.Handwriting2分Isitcleanandtidy?Talkaboutyourpassagesaccordingtotheassessmentsontheright.SelfCheck1.Completethepassagewiththecorrectformsofthewordsinthebox.Itisoftendifficulttodecideontheinventorofcertaininventions.Thisisbecausesometimesafewpeoplemay______thingswhicharenearlythesame.It’shardtotellwhocameupwiththeideafirst.Someinventionscanalsoleadtootherinventions______________.Sosomepeople______whethertheinventorcameupwiththeideahimselforherself.Theythinkthattheinventorusedsomeoneelse’sideatocreatehisorherinvention.Thatiswhybooksor________usually________morethanoneinventorwhengivinginformationaboutinventions.inventinventdoubtmentionwebsiteallofasuddenallofasuddendoubtwebsitesmention2.Rewritethesesentencesusingthepassivevoice.1.Someonestolemywatch.______________________________________________2.Theyusedfiveeggstomakethisbigcake.______________________________________________3.Whendidtheyinventthepersonalcomputer?______________________________________________4.Theyaskedusnottoruninthehallway._____________________________________________5.Someonetookthevideobacktothestore.______________________________________________Mywatchwasstolen.Whenwasthepersonalcomputerinvented?Fiveeggswereusedtomakethisbigcake.Thevideowastakenbacktothestore(bysomeone).Wewereaskednottoruninthehallway(bythem).Invention:_________________________When:_________________________Who:_________________________Purpose:_______