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1、Unit1Topic3TheworldhaschangedforthebetterTeachingAimsa.Wordsandexpressionsasamatteroffact,discover,direct,possible,fair,invention,exciteinneed,medical,treatment,provide,conversation,secretary,engineer,fisherman,dead,army,wound,granddaughter,grandchild,ache,fire,stairs,downstairs,boardb.
2、Patterns:.Oh,youwillgetusedtoitverysoonifyoucome.Youmustcomeforavisit.Oncetheyfindpeopleinneed,theydecideonsuitablewaystohelpthem.Theprogramalsoprovidesthemwithnicehouses.YouhavebeeninNewYorkforalongtime.ThecityhasimprovedalotsinceIcamehereafewyearsago.Bobbylefttheparktwohoursago/at8:00
3、.Bobbyhasbeenawayfromtheparksince8:00/fortwohours.c.Grammar:Learnthepresentperfecttensewith“for”or“since”:Teachingfocus:Goonlearningthepresentperfecttensewith“for”or“since”andfindthedifferencesbetweenthepresentperfecttenseandthesimplepasttense:Aboutthetime；Thistopicneeds5periods.总第11课时T
4、opic3Theworldhaschangedforthebetter.SectionATeachingaimsanddemands1.Learnsomenewwordsandphrases:asamatteroffact,discover,direct,possible,fair,invention,excite2.Learnsomeusefulsentences:(1)Oh,youwillgetusedtoitverysoonifyoucome.(2)Youmustcomeforavisit.3.Learnthepresentperfecttensewith“fo
5、r”or“since”:(1)YouhavebeeninNewYorkforalongtime.(2)ThecityhasimprovedalotsinceIcamehereafewyearsagoTeachingfocus:Learnthepresentperfecttensewith“for”or“since”:Teachingprocedure:Step1ReviewT:S1,haveyoueverbeentoBeijing?S1:No,Ihaven’t.Ihaveneverbeenthere.T:Whataboutyourelderbrother?Iheard
6、hehadbeenthere.S1:Yes,hehasjustcomeback.T:Howlonghashestayedthere?S1:Forabouttwoweeks.Step2PresentationListentothetape,findoutthesentenceswith“for,since”T:Now,whocananswerthequestion:HowwasNewYork’straffic?S1:Thetrafficwasterribleandalmosteveryonedrovetoofast.T:You’reright.Whataboutitss
7、treetsinthepast?S2:Thestreetsweredirty.T:Doesitchangenow?S2:Yes.Itisquitecleannow.T:IsNewYorkadangerousplacenow?S3:No,itisn’t.Itwasdangerousinthepast.T:Welldone.Youranswersareexcellent.IfyouwanttoknowmoreaboutNewYork,youmustcomeforavisitthere.Doyouwanttogothere?Ss:Yes.Ofcourse.
