Sandstorms-in-Asia课件-(1).ppt

Module4SandstormsinAsia Butonedaysomethinghappened sandstorm Whatarethecausesofsandstorms Thinking Thecausesofsandstorms 1 desertification 沙漠化 2 climatechanges 3 cuttingdowntreesanddiggingupgrass 4 improperuseofland 5 hightemperatureandlittlerain 6 thedestructionofenvironment 7 thegrowingpopulationoftheworld SandstormsinAsia P32 Fast reading Readthepassagequicklyandmatchthemainideaswitheachparagraph Matchthemainideawitheachparagraph Para 1Para 2Para 3Para 4Para 5Para 6 A thedescriptionofsandstormsB theeffectsofsandstormstoBeijing C themeasuresthegovernmenttakestopreventsandstormsD Sandstormshavebeenamajordisaster E theadvicetheweatherexpertsgivetopeopleF thecausesofthesandstormsinChina description effects measures amajor disaster advice causes Careful reading Readthepassageagaincarefullyandanswersomequestions 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 What Where Who Why When strong dry winds carrysand 1 Whataresandstorms sandstorms are 2 Wheredothesandstormsoftenoccur CentralAsia NorthAmerica CentralAfrica Australia 4 WhyhavesandstormsincreasedinChina Sandstormsappeartohaveincreasedinrecentyearsasaresultofdesertification 3 Whoexperiencedasandstormwhenhewasyoungandwhatwashisfeeling desertification RenJianboexperiencedasandstormwhenhewasyoung Andhethoughtthat When happen citizenswakeuptoanorange andstrong thatcoverthecityinathick brown yellowed dust sky winds sandstorms 5 WhensandstormshappeninBeijing whatistheweatherlike Traffic Part3 para 5 6 1 What stheweatherexperts advice Theyadvisepeoplenottogoout 2 Whatisthegovernmentdoingtocontrolsandstorms Thegovernmentisplantingtrees Post reading Fillintheblanksaccordingtothepassage Sandstormsarestrong dry thatcarrysand Theyappearto increase inrecentyearsasa ofdesertification Whentheyhappen thetrafficmovesvery slow becausethethickdustmakes difficulttosee Whenasandstormarrivesinthecity weatherexperts peoplenottogoout youwanttogoout you dbetterweara Scientistshavetriedmanyways solvetheproblemandamasscampaign start inChina advise to result mask slowly it haveincreased If hasbeenstarted winds haze雾霾 flood洪水 drought干旱 landslide滑坡 Discussion Whatcanwedotoprotectourearth Task1 Workingroupsoffourandmakealistofyoursuggestions recycle savewater planttrees saveelectricity ridebikes uselesspaper Wo