新人教版选修7英语：unit4 sharing-listening task课件(1).pptx

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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.Canyouseehowbigthecataractis?Cataractsmakethingslookblurry/fuzzy/very

2、unclear.Thecataractiscoveringmostofthepupiloftheeye.2.LookatPhotos2,3and5.Whatarethedifferentwaysthepatients’eyesarebeingexamined?InPhoto2,thepatient’seyesarebeingexaminedthroughamicroscopeinahospital.InPhoto3,thepatient’seyesarebeingexaminedthroughamicroscopethatisattachedtoFredHollows’sface.Thepa

3、tientisbeingexaminedoutside,notinahospital.InPhoto5,thepatient’seyesarebeingexaminedbyadoctorwhoisholdingupherfingerstoseeifthepatientcanseethem.Thepatientisbeingexaminedoutside,notinahospital.3.Whatisthesurgeon(外科医生),FredHollows,wearingonhisfaceinPhoto3?Specialglasses(likeamicroscope)thatallowthep

4、atient’seyestobemagnifiedsohecanseeanyproblemswiththepatient’seyes.4.WhatisFredHollows(left)doinginPhoto4?Whatisthemanontherightdoing?Whoaretheotherpeople?Heisgivingthepatientaninjection.ThemanontherightisexplainingwhatFredHollowsisdoing.TheotherpeopleareVietnamesedoctorswhoarebeingtrainedbyFredHol

5、lows.Listentothetapeforthesedatesandnumberthemintheorderthatyouhearthem.Thenlistenagainandwritedownwhathappenedonthesedates.OrderYearEvent(s)19851FredHollowsrealizedthereweren’tenoughmedicalresourcesindevelopingcountries;theoperationwasveryexpensive.Hebecamedeterminedtofindawayofreducingthecostoftr

6、eatment.OrderYearEvent(s)1992199319942HestartedtheFredHollowsFoundation.Hedied.Twolaboratoriesformakingperspexlensesopened–oneinEritreaandoneinNepal.34OrderYearEvent(s)2003AdoctortrainedbytheFoundationputintheonemillionthFredHollowsperspexlens.5ThenlistentoAnnieagainandanswerthem.1.Howoftendoessome

7、oneintheworldgoblind?2.Howmanypeoplearoundtheworldareblind?3.Howmanyoftheseareblindbecauseofcataracts?Everyfiveseconds.Around45millionpeople.Abouthalfofthese(thatis,22.5million).4.Howlongdoesacataractoperat