上册Unit131高二英语教案
日期：2010-04-18 04:14
glass，withprolongedexposure，waterpollutioncankilllargenumbersoffish，andotheranimals，lakes，water，课题SEFCB2Unit13Thewaterplanet课时7授课日期200738-2007316教学目标TalkaboutwaterandtheoceanPracticemakingsuggestionsandexpressingopinionsReviewModalVerbsWriteanexplanationparagraph教学重难点SomeimportantwordsandexpressionsLearntomakesuggestionsandexpressopinionsGrammarModalVerbs教学用具1arecorder2ablackboard3themultimedia4somethingspecialfortheexperiments(egOil，tosmell，birds，andcoastalwatersunpleasanttolookat，insomecaseskillingallmembersofaspeciesinanaffectedareaPollutionmakesstreams，andtheycannotsurviveiftheirwaterisloadedwithtoxicchemicalsorharmfulmicroorganismsIfsevere，and，icecube)背景知识：WaterPollutionWhatisnecessarytolifeonearthAllorganismscontainit;someliveinit;somedrinkitPlantsandanimalsrequirewaterthatismoderatelypure，andtoswiminFishandshellfishharvestedfrompollutedwatersmaybeunsafetoeatPeoplewhoingestpollutedwatercanbecomeill，maydevelopcancersorbearchildrenwithbirthdefe，
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