Unit16ScientistsatworkLesson1warmingup,listeningandspeakingStep1.WarmingupAskthestudentstolookatthefourphotosinthebookanddescribewhattheysee.Photo1showsstudentsatworkinachemistrylab.Photo2showsanEnglishbookcalledHamlet,adictionaryandanotebook.Photo3showstwostudentsdoinganexperiment.Photo4showsstudentslookingatsomethingthroughamicroscope.Step2.ListeningFromthefourphotosweknowthatweoftendosomeexperimentsatschool.Butdoyouknowhowtobehaveinasciencelab?Nowlet’slistentoadialogue.Itwilltelluswhattodoandwhatnottodo.ListenforthefirsttimeanddoEx1.Thenchecktheanswerswiththeclass.ListenforthesecondtimeanddoEx2.Listenagain,letthestudentschecktheiranswers.Thenchecktheanswerswiththeclass.Atlast,listenagainandletthestudentsfindoutthesentenceswhichcontaintheanswers.Step3.SpeakingNowlet’stalkaboutthegreatworkofscientists,ahigh-speedmaglevtrain.Readthedialogueandtalkabouttheradvantagesanddisadvantagesofit,usingtheusefulexpressionsinthecolumn.Thenlistentothedialogueandpayattentiontothepronunciation,stressandintonation.Atlast,explainsomelanguagepoints.1.awasteofIt’sawasteofmoney/time.2.meantodosthmeandoingsth3.makeanoise4.makeuseofmakegood/full/littleuseof用心爱心专心Homework;ReadrhedialogueGraspthelanguagepointsLesson2ReadingStep1.RevisionStep2.Pre-ReadingDoyouknowthenamesofsomefamousscientists?DoyouknowBenjaminFranklin?Andwhatishefamousfor?Todaywewillreadabouthim.Step3.GeneralreadingReadthepassagetogetthemainideaofit.ThendoEx1onpage25.Step4.Fast-readingReadthepassageagainanddothefollowingexercise.1.Scientistsknewwhatelectricityisforthe1sttime______.A．inJune1752B．before1752C．after1752D．inthe19thcentury答案:A2．Whichofthefollowingisinthecorrectorder?a．Theexperimentprovesthatlightningandelectricityarethesame.b．Thekiteflewhighintherainyshy.c．Hemadeasilkkite.d．Verysharppieceofmetalwasfixed.e．Akeywasfastenedtotheendofthestring.f．Aribbonwastiedtothestring.A．d,e,f,c,b,aB．c,d,e,f,b,aC．d,c,e,f,a,bD．c,d,e,f,a,b答案:D3．Franklinmadethekiteofsilkbecause______.A．wetsilkdoesnotconductelectricityB．silkkiteflieshighC．silkkitewilllastlongerinweatherwithrainandstrongwinds用心爱心专心D．silkkiteischeaper答案:C4．Text2ismeantfor______.A．expertsB．scientistsC．commonreadersD．officials答案:C5．WhichisnotstatedbutcanbeinferredfromText1?A．Franklindidtheexperimentwiththekite.B．Franklin’sexperimentwithelectricitywasdangerous.C．Franklinfailedtheexperimentagain.D．Theexperimentwasconductedinbadweather.答案:BStep5.ListeningListentothetapeofthepassageandpayattentiontothepronunciationandintonation.Step6.Languagepoints1．experiment:n.doanexperimentmakeanexperimentperformanexperimentconductanexperimentcarryoutanexperiment2．conduct:vt.Heconductedmearoundthemuseum.Heconductedtheorchestra.Themanagerconductedhisbusinesscarefully.3．charge:vt.(1)使….充满He’schargingabattery.(2)索价,收费Hechargedus10dollarsformendingthispairofshoes.n.incharge主管inchargeof负责用心爱心专心inthechargeof由….负责4.prove:vt.证明,证实Thefactsprovethatheishonest.Hehasprovedhiscourageinthebattle.Heprovedhimselftobeatrueman.系动词:证明是….Thewayprovedtobeuseful.Heprovedasuccessfulmanager.5．takecaretodotakecarethat从句Takecarenottofallintotheriver.Takecarethatyoudon’tgetrunoverwhencrossingthestreet.Homework:Readthetext.Lesson3languagestudyStep1.RevisionReviewsomelanguagepoints.Step2.WordstudyLettheSsdoitbythemselves.Thench...
