高中英语 Unit 4 Sharing（Listening task）课件 新人教版选修7.ppt

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1、人教课标版高二选修7Unit4ListeningtaskBeforeyoulisten,lookatthepicturesthatAnnieshowsthestudents.Answerthesequestions.1.Photo1showshowthingswouldlookifyouhadcataracts(白内障).Howwouldyoudescribetheeffectsofhavingcataracts?Lookattheperson’seye.Canyouseehowbigtheca

2、taractis?Cataractsmakethingslookblurry/fuzzy/veryunclear.Thecataractiscoveringmostofthepupiloftheeye.2.LookatPhotos2,3and5.Whatarethedifferentwaysthepatients’eyesarebeingexamined?InPhoto2,thepatient’seyesarebeingexaminedthroughamicroscopeinahospital.

3、InPhoto3,thepatient’seyesarebeingexaminedthroughamicroscopethatisattachedtoFredHollows’sface.Thepatientisbeingexaminedoutside,notinahospital.InPhoto5,thepatient’seyesarebeingexaminedbyadoctorwhoisholdingupherfingerstoseeifthepatientcanseethem.Thepati

4、entisbeingexaminedoutside,notinahospital.3.Whatisthesurgeon(外科医生),FredHollows,wearingonhisfaceinPhoto3?Specialglasses(likeamicroscope)thatallowthepatient’seyestobemagnifiedsohecanseeanyproblemswiththepatient’seyes.4.WhatisFredHollows(left)doinginPhot

5、o4?Whatisthemanontherightdoing?Whoaretheotherpeople?Heisgivingthepatientaninjection.ThemanontherightisexplainingwhatFredHollowsisdoing.TheotherpeopleareVietnamesedoctorswhoarebeingtrainedbyFredHollows.Listentothetapeforthesedatesandnumberthemintheord

6、erthatyouhearthem.Thenlistenagainandwritedownwhathappenedonthesedates.OrderYearEvent(s)19851FredHollowsrealizedthereweren’tenoughmedicalresourcesindevelopingcountries;theoperationwasveryexpensive.Hebecamedeterminedtofindawayofreducingthecostoftreatme

7、nt.OrderYearEvent(s)1992199319942HestartedtheFredHollowsFoundation.Hedied.Twolaboratoriesformakingperspexlensesopened–oneinEritreaandoneinNepal.34OrderYearEvent(s)2003AdoctortrainedbytheFoundationputintheonemillionthFredHollowsperspexlens.5Thenlisten

8、toAnnieagainandanswerthem.1.Howoftendoessomeoneintheworldgoblind?2.Howmanypeoplearoundtheworldareblind?3.Howmanyoftheseareblindbecauseofcataracts?Everyfiveseconds.Around45millionpeople.Abouthalfofthese(thatis,22.5million).4.Howlongdoesacataractoperat