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高中英语Module4《SandstormsinAsia》课件3外研版必修3.ppt

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tornadoModule4SandstormsinAsiaBBFastreading:1.Whataresandstorms?2.Whataretheplaceswheresandstormsoftenoccurintheworld?3.Whatisdesertification?4.Whydopeoplewearmasksinasandstorm?5.WhatistheBeijinggovernmentdoingtopreventthedesertfromcomingnearer?Furtherreading:1.Sandstormsarestrongwindscarrying____throughtheair.A.dirtandmudB.rainandheatC.sandanddustD.cloudandsnow2.Whatdotheexpertsadvisepeopletodowhenasandstormarrivesinthecity?A.Don’tgooutB.Don’twearmasks.C.Don’tgotoworkasusual.D.Don’tridebicycles3.Thefactorsthatcauselandtobedesertare____.A.cuttingdowntreesB.diggingupgrassC.climatechangesD.alloftheabove4.Fromthelastparagraph,weknow____.A.thegovernmentistakingmeasurestopreventsandstorms.B.thedistancebetweenthedesertandthecenterofBeijingisonly250kilometers.C.morethan30milliontreeshavebeenplantedinBeijing.D.thegovernmentwon’tplanttreesanymoreinthenextfiveyearsCompletethesesentences:1.Weatherexpertshavef_________anotherbigsandstorminaweek’stime.2.It’sf__________tobeoutsideinasandstorm.3.Iwasinaverybigsandstormsomeyearsago.Luckily,everyones_______.4.There’salotofd____onthefloor.Weneedtosweepitaway.5.Desertificationisalongp______thattakesmanyyears.6.ManyBeijingc______cycletowork.dirty,breathe,mask,cycling,traffic,etc.Discussion:Whatmeasuresshouldwetaketopreventsandstormscoming?Homework:1.Findmoreinformationaboutsandstormsontheinternetorotherbooksandwriteashortpassageaboutsandstorms.2.Designaposterthatencouragespeopletoprotecttheenvironment.