Sandstorms in Asia课件

宝清二高英语组刘南Butonedaysomethinghappened.sandstormWhatarethecausesofsandstorms?ThinkingThecausesofsandstorms1.desertification(沙漠化);2.climatechanges;3.cuttingdowntreesanddiggingupgrass;4.improperuseofland;5.hightemperatureandlittlerain;6.thedestructionofenvironment;7.thegrowingpopulationoftheworld…Fast-readingReadthepassagequicklyandmatchthemainideaswitheachparagraph.Matchthemainideawitheachparagraph.Para.1Para.2Para.3Para.4Para.5Para.6A.thedescriptionofsandstormsB.theeffectsofsandstormstoBeijing.C.themeasuresthegovernmenttakestopreventsandstormsD.Sandstormshavebeenamajordisaster.E.theadvicetheweatherexpertsgivetopeopleF.thecausesofthesandstormsinChina.descriptioneffectsmeasuresamajordisasteradvicecausesCareful-readingReadthepassageagaincarefullyandanswersomequestions.Part1(Para.1)What’sthefunction(功能)ofthefirstparagraph?A.Toleadinthetopicofthispassage.B.Totelluswhatsandstormsare.C.Totelluswherethesandstormsoccur.1.Whataresandstorms?2.Wheredosandstormsoccuroften?3.Whoexperiencedasandstormwhenhewasyoungandwhat’shisfeeling?4.WhyhavesandstormsincreasedinChina?5.WhensandstormshappeninBeijing,what’stheweatherlike?Part2(Para.2-4)WhatWhereWhoWhyWhenstrongdrywindscarrysand1.Whataresandstorms?sandstormsare2.Wheredothesandstormsoftenoccur?BCDACentralAsiaNorthAmericaCentralAfricaAustralia4.WhyhavesandstormsincreasedinChina?Sandstormsappeartohaveincreasedinrecentyearsasaresultofdesertification.3.Whoexperiencedasandstormwhenhewasyoungandwhatwashisfeeling?desertificationRenJianboexperiencedasandstormwhenhewasyoung.Andhethoughtthat………..When__________happen,citizenswakeuptoanorange_____andstrong______thatcoverthecityinathick,brown-yellowed_____.dustskywindssandstorms5.WhensandstormshappeninBeijing,whatistheweatherlike?Traffic?Part3(para.5-6)1.What’stheweatherexperts’advice?Theyadvisepeoplenottogoout.2.Whatisthegovernmentdoingtocontrolsandstorms?Thegovernmentisplantingtrees.Post-readingFillintheblanksaccordingtothepassageSandstormsarestrong,dry_____thatcarrysand.Theyappearto___________(increase)inrecentyearsasa_____ofdesertification.Whentheyhappen,thetrafficmovesvery______(slow)becausethethickdustmakes___difficulttosee.Whenasandstormarrivesinthecity,weatherexperts______peoplenottogoout.____youwanttogoout,you’dbetterweara______.Scientistshavetriedmanyways___solvetheproblemandamasscampaign_____________(start)inChina.advisetoresultmaskslowlyithaveincreasedIfhasbeenstartedwinds①②③④⑤⑥⑦⑧⑨⑩haze雾霾flood洪水drought干旱landslide滑坡DiscussionWhatcanwedotoprotectourearth?Task1:WorkingroupsoffourandmakealistofyoursuggestionsrecyclesavewaterplanttreessaveelectricityridebikesuselesspaperWritingWhatcanwedotoprotectourearth?Task2:Writeashortpassageaboutwhatwecandotoprotectourearth,accordingtothesuggestionsabove.WorldEarthDay世界地球日(4月22日)它是一项世界性的环境保护活动,其主题为“我们只有一个地球”。2009年第63届联合国大会决议将每年的4月22日定为“世界地球日”。该活动旨在唤起人类爱护地球、保护家园的意识，促进资源开发与环境保护的协调发展，进而改善地球的整体环境。LJointogetherandsaveitforourfuture.Wehaveonlyoneearth1.Writethecompositiondowninyourhomeworkbook.2.Designaposterthatencouragespeopletoprotecttheearth.Homework: