Unit6WhenwasitinventedSectionA2a-2dperiod2Knowledgegoals:1.Words&expressionsinvent,beusedfor,heated,style,slipper,slippers,scoop,adjustable,heel,battery,operate,battery-operated,special2.KeysentencesWhowasit/weretheyinventedby?Itwas/Theywereinventedby...Whatisit/aretheyusedfor?Itis/Theyareusedfor...Abilitygoals:Enablethestudentstolearnmorepassivevoicestructuresandlearntoexpresstheirviewsondifferentinventions.Emotiongoals:Learntotellhelpfulinventionsfromannoyinginventions.Teachingimportantpoints:Enablestudentstoexpressopinionsondifferentinventions.Teachingdifficultpoints:Getsomelisteningskills.TeachingProcedures:Step1:RevisionShowthemsomepicturesandasklikethis“Whenwasitinvented?””whowasitinventedby?”Whatisitusedfor?”Step2:WarmingUp(2a:P69)Showthempicturesandaskthemtodescribethem.S1:Itisaheatedicecreamscoop.T:Whatisitusedfor?Whowasitinventedby?S1:Itisusedforscoopingreallycoldicecream.ButIdon’tknowwhoitwasinventedby.T:Howaboutthese?Describetheshoesandslippersandleadstudentstoreadthenewwords.Step4:OralPractice(2c)Askthestudentstoworkinpairstoaskandanswerthequestions.Oneasksquestionsandtheotheranswersthem.Thenchangetheroles.Step5:Role-playtheconversation(2d)1.Askstudentstoreadtheconversationloudlybythemselvesandanswerseveralquestions.2.Asktwoboystoroleplaytheconversationandcorrecttheirpronunciation.3.Pickoutthekeywordsandphrasesandexplainthem.4.Readaloudagain.Step6：HomeworkRecitetheconversationin2d.Dosomerelatedexercises.
