2019-2020年高中英语 Module 4 Sandstorms in Asia教案 外研版必修3

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1、2019-2020年高中英语Module4SandstormsinAsia教案外研版必修3【美文阅读】　HowtoSurviveaSandstormSandstormsareamongnature'smostviolentandunpredictablephenomena(现象)．Highwindsliftsandintotheair，reducingvisibility(能见度)toalmostnothinginafewseconds.Nearlyallduststormsarecapableofcausingpropertydamage

2、，injuries，anddeaths.Nomatterwhereyoulive，it'sagoodideatoknowwhattodoifyouseeawallofsandracingtowardyou.Herearesometipsforyou.Beprepared.Ifyouareinastormyarea，carryamaskdesignedtoremovesmallsand，andbringairtightgoggles(密封护目镜)toprotectyoureyes.It'salsowisetocarryasupplyofwat

3、erincaseyouaretrackedinastorm.Duststormsareusuallyacpaniedbyhightemperatures，andyoucanquicklybeedehydrated(脱水的)inthedryheatandhighwinds.Wearorcarryclothingthatcoversyourbodytoprotectyourselffromthesandblasting，andtokeepwarm.Outrun(比……跑得快)thestorm.Ifyouseeasandstormfromadis

4、tance，andyouareinavehicleorhaveaccesstoone，youmaybeabletooutrunit.Somesandstormscantravelatmorethan75milesperhour，buttheyoftentravelmuchslower.Tryingtooutrunastorm，however，isnotadvisableifyouhavetoputyourselfatriskbytravelingathighspeed.Ifthestormiscatchingupwithyou，it'sbe

5、sttostopandprepareforit.Takecoverandstaystill.Donotattempttomoveaboutinastorm，asyouwillnotbeabletoseepotentialdangerinyourpath.Ifyou'reinahouse，stayinside.Ifyoucanquicklyreachsuchaplacebeforeasandstormreachesyou，getthereasquicklyaspossible.Closeallwindowsanddoors，andwaitou

6、tthestorm.Ifyou'reinavehicle，rollupthewindowsandturnofftheventsthatbringoutsideairin.Ifyouareoutside，seekoutalargerocktoprotectyourselfatleastpartially.Protectyourselffromflyingobjects.Coverasmuchofyourbodyaspossibletoprotectyourselffromflyingsand.Inaddition，whilethesandca

7、nhurt，asandstorm'shighwindscanalsocarryheavier(andhencemoredangerous)objects.Ifyoufindyourselfnoplacetostay，trytostaylowtothegroundandprotectyourheadwithyourarms,orabackpack.【诱思导学】　　SandstormshavebeenamajordisasterformanyAsiancountriesforcenturies.Whatshouldwedotoreduceors

8、topsandstorms?【答案】　Students'ownanswer.PeriodⅠPreviewing●教学目标本课时主要是通过学生对学案所给出的内容的学习，了解本课文中