Unit6Whenwasitinvented第六课时SectionB(3a～3b)&SelfCheck【学习目标】1．复习一般过去时的被动语态的用法。2．能够用英语讲述自己所熟悉的某一发明。【学习重点】掌握本单元所学的词汇、句型及语法知识，并能进行综合练习运用。【学习难点】用英语简要介绍某一发明。☞学习提示Review：Lastlessonwelearnedtheinventionofbasketball.Whatbenifitsdiditbringforus？Canyousaysomeotherinventionsinourdailylife，whichbenifitsandharmsdidtheseinventionsbring?Task1☞学习提示Reviewallthenewwords，phrasesandsentencesinUnit6，thenfinishtheformin3a，thinkoutsomethingyoudislikeaccordingtothetipsin3a，thenthinkoutsomeinventiontohelpyouandcommunicatewithyourpartner.Task2☞学习提示Accordingtothetipsin3aandthesentencesin3b，studentswriteanarticlethatdescribeyournewinventions，introducethesenewproductsandtrytosellthemtoyourclassmates，thenchoosethebestarticles.Task3☞学习提示1．Completethepassagewiththecorrectformsofthewordsinthebox，thenaskonestudenttoreadthepassageandchecktheanswers.2．Rewritethesesentencesusingthepassivevoice.Askfivestudentstowriteontheblackboardandchecktheanswers.3．Findoutinformationaboutaninventionyouwouldliketoknowmoreaboutandwritesentencesbelow.情景导入生成问题T：Itisveryeasyforustothinkaboutthesolutionsforwhatwedonotlikedoing，suchasinventingathingthatcouldhelpuscleanourroomorathingthatwilldoourhomework.Encouragethestudentstothinkaboutpracticalsolutions.自学互研生成能力Task1Let'scollectwords，phrasesandsentences.1．Icanuse.(我会用)复习本单元重点单词、短语和句型，并掌握其用法。学习掌握本课时重点单词及短语：invent，inventor，mention，special，doubt，allofasudden2．Icanwrite.(我会写)翻译下列短语及句式：(1)takenotes做笔记(2)被用来做……be__used__for__sth./to__do__sth.(3)decideon决定，判定(4)comeupwith想到，想起(5)导致lead__to3．Icantranslate.(我会译)(1)这个特殊的钢笔是由刘杰发明的。Thisspecialpenwas__invented__byLiuJie.(2)很难断定是谁先想到这个主意。It'shardtotellwhocame__up__withtheideafirst.(3)他们认为这个发明家是借用其他人的想法来创造自己的发明。Theythinkthattheinventorusedsomeone__else'sideatocreatehisorherinvention.Task2Writing.结合所学句型，创设情境谈论你所描述的一项发明。________________________________________________________________________________________________________________________________________________Task3FinishSelfCheck.【写作素材】本单元谈论的话题是“发明”。内容涉及到很多方面，如：介绍一位熟悉的发明家，介绍一项发明，评价一项发明，设想一项发明等。谈论该话题有助于帮助学生了解科学的发展，培养科学意识和创造意识，也有益于学生创新意识的发展，并学习发明家不畏艰难、勇于探索的精神。常用句型：…wasinventedin………是在……发明的…wasinventedby………是被……发明的…isusedfor………被用来……Ithinkthemosthelpfulinventionis…我认为最有帮助的发明是………was/wereinventedbymistake.……是在无意中发明的Itisbelievedthat…inventedthefirst…in…人们认为……在……发明了第一个……【备注】交流展示生成新知Showingroups.(Time：sixminutes)Firstthestudentsreadthewordsandphrasesingroups，thenreadtogetherandsumuptheusageofthewordsingroups，markthedifficultwordsinpronunciationandunderstanding(theycanasktheteacherforhelp)．Atlastwritethemontheblackboard.Firstthestudentsdiscussandfinishthechartin3aingroups，thenfinish3baccordingtothecontentsinthechart.StudentsdiscusstheexercisesinSelfCheckingroups，thenmarkthedifficultones.Classshow.(Time：fourteenminutes)1．Icanuse.①Studentsreviewthekeyanddifficultpoint...
