高中英语外研版必修三教师用书Module 4　Sandstorms in Asia

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1、Module4　SandstormsinAsia【美文阅读】　HowtoSurviveaSandstormSandstormsareamongnature'smostviolentandunpredictablephenomena(现象)．Highwindsliftsandintotheair，reducingvisibility(能见度)toalmostnothinginafewseconds.Nearlyallduststormsarecapableofcausingpropertydamage，injuries，anddeaths.N

2、omatterwhereyoulive，it'sagoodideatoknowwhattodoifyouseeawallofsandracingtowardyou.Herearesometipsforyou.Beprepared.Ifyouareinastormyarea，carryamaskdesignedtoremovesmallsand，andbringairtightgoggles(密封护目镜)toprotectyoureyes.It'salsowisetocarryasupplyofwaterincaseyouaretracked

3、inastorm.Duststormsareusuallyaccompaniedbyhightemperatures，andyoucanquicklybecomedehydrated(脱水的)inthedryheatandhighwinds.Wearorcarryclothingthatcoversyourbodytoprotectyourselffromthesandblasting，andtokeepwarm.Outrun(比……跑得快)thestorm.Ifyouseeasandstormfromadistance，andyouare

4、inavehicleorhaveaccesstoone，youmaybeabletooutrunit.Somesandstormscantravelatmorethan75milesperhour，buttheyoftentravelmuchslower.Tryingtooutrunastorm，however，isnotadvisableifyouhavetoputyourselfatriskbytravelingathighspeed.Ifthestormiscatchingupwithyou，it'sbesttostopandprep

5、areforit.Takecoverandstaystill.Donotattempttomoveaboutinastorm，asyouwillnotbeabletoseepotentialdangerinyourpath.Ifyou'reinahouse，stayinside.Ifyoucanquicklyreachsuchaplacebeforeasandstormreachesyou，getthereasquicklyaspossible.Closeallwindowsanddoors，andwaitoutthestorm.Ifyou

6、'reinavehicle，rollupthewindowsandturnofftheventsthatbringoutsideairin.Ifyouareoutside，seekoutalargerocktoprotectyourselfatleastpartially.Protectyourselffromflyingobjects.Coverasmuchofyourbodyaspossibletoprotectyourselffromflyingsand.Inaddition，whilethesandcanhurt，asandstor

7、m'shighwindscanalsocarryheavier(andhencemoredangerous)objects.Ifyoufindyourselfnoplacetostay，trytostaylowtothegroundandprotectyourheadwithyourarms,orabackpack.【诱思导学】　　SandstormshavebeenamajordisasterformanyAsiancountriesforcenturies.Whatshouldwedotoreduceorstopsandstorms?【

8、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，了解本课文中所出现的词汇，初步了解课文以及