Unit22Lesson3NaturalDisasters崇世界I.TeachingAims1.Topractisereadingstrategiestocompletetextswithsentencegaps.2.Topractiseusingthevocabularyofnaturaldisasters.3.Todoexercisesaboutthetext.4.Totalkaboutdisastersandaid.II.TeachingImportantPointsandDifficultPoints1.Somestudentsmayhaveproblemswiththepronunciationofthevocabulary.2.Howtoreadthetextandgraspthemainideaofit.3.TohelpthestudentsimprovetheirabilitytoexpressEnglishandtobecreative.III.TeachingMethods1.Multimediacomputerassistedinstruction2.Communicativeteachingmethod3.Student-centeredteachingmethod4.Activity-basedteachingmethods(Question-and-answer;Freediscussion;individualwork,pairwork,groupwork)IV.TeachingAidsMulti-mediacomputer,theblackboardV.TeachingProceduresStep1GreetingGreetthewholeclassasusual.Step2WarmupShowthemsomepicturesofthedisasters.Lookatthefollowingpicturesandpointoutwhatkindofdisasterstheyare?Aretheycausedbypeople?Aretheymadeworsebypeople?Aretheynatural?Andthenleadinnewsubject:NaturalDisasters.Step3ReadtolearnAskSstoreadthetextandchecktheiranswerstoExercise1.TellSstoreadthroughthesentencesfirstbeforetheygobacktothetextandstudyeachparagraph,andthenaskthemtocompleteexercise3individually,checktheiranswers.1UsetheStrategiestocompletethegapsinthetext(1-5)withthesesentences(a-g).Therearetwoextrasentencesyoudonotneed:a)Butevidenceshowsthat73,000yearsagotherewasamuchgreatereruption.b)EvenEuropehassufferedandlargeareashavebeenunderwater.c)Thatisprobablynotthemostimportantfactoreither.d)Third,theotherbitsoflandyoumighthavebeenabletofarmarenowuseless.e)Ontopofthataddglobalwarming.f)Forexample,theYellowRiver,oncefamousforflooding,failedtoreachtheseaatallfor226daysin1997.g)Oneanswerisoverpopulation.Step4.ListeningPlaythecassette,whiletheyarelistening,askthemtopayattentiontothepronunciationofthespeakerandchecktheanswersinexercise3.Step5.IntensivereadingAskstudentstoreadthetextagainandanswerthequestions.Readthepassagecarefullyagainandfillinthefollowingblanksonthescreen.1.whatistheattitudeofthejournalisttowardsthefuture?2.Whoarethemostlikelytobevictimsofnaturaldisasters?3.Whyaretherenowmorehurricanes,floodsanddroughts?4.Whyarevolcanoesandearthquakesmoredangerousnow?5.Whatcouldbethebiggestthreattotheplanetinthefuture?6.Whateffectsmightthisthreathave?Step6.Post-readingReadthetextcarefullyandfillinthefollowingblanks.23Atpresent:(paragraph4):Volcanoesandearthquakesareevenmore(3)_______thaninthepast.Inthefuture:(paragraph5)Mostdisasterexpertsbelievethatthingscouldbecomealot(4)______.Natureisturningonusinvariousformsofnaturaldisasters:Reasons:(paragraph3)(5)_______________inthedevelopingworld;(6)_______________causedbythehugeamountsofCO2producedbyfactoriesandvehicles,andthedestructionoftheworld’sforests.Inthelastdecade(para1&2):NaturaldisastershaveBecome(1)_______.Volcaniceruptionsandearthquakeshavealwaysbeena(2)_______incertainpartsoftheworld.Step7.DiscussionWorkinpairs.Discussthesequestions:1.Whatnaturaldisasterhashappenedinthelastyear?2.Whatweretheresultsofthedisaster?3.Whatdoyouthinkgovernmentscandotohelppreventnaturaldisasters?3.Whatcanwedotoimprovetheenvironmentandhelpvictimsofnaturaldisasters?Step8.Homeworkaskstudentstodotheexercise5and6ashomework.2ndPeriodTeachingobjectivesInthislesson,wewill:1.Learnandpractisevocabularyaboutnaturaldisasters，espcollocations.2.Practiseidentifyingnounsandverbs.Step1Guessingth...
