PWP教学【教学课件】Module,4（外研社）.ppt
本课时编写 乐山一中方毅老师 Period1Introduction Pre learning Thereisstrong drywindandtheskyisyellow Sandstorm Wecanseethevisibledrops It sdangerousforustogoout Peoplehavetowearhoods masksandglasses Carsslowdownandhavetoturnonheadlight Sometimesitdelaystheflights Itspreadsillness Whathappens Module4SandstormsinAsia While learning majorsandstormcentersinChina GansuandWesternInnerMongolia BeijingandNortheastInnerMongolia Discussion What sthecauseofsandstorm Whatshouldyoudoinasandstormtoprotectyourself Thecauseofsandstorm cuttingdowntoomanytrees desertification 沙漠化 hightemperatureandlittlerain seriousairandwaterpollution thegrowingpopulationoftheworld improperofland rapidspreadofurbanization Introduction 1 Completethesentencesusingthecorrectofthewords blowburyfrighteninglast v sandstorm Thewind thesandhigharoundthehouse andsomecarswerealmostcompletely bythesand blowing bury sandstorm hasbeenblowing haslasted frightening Therehasbeena It fortenhoursandwasvery Post learning Introduction 2 Checkyouranswers Sandstormsbeginindesertareas Desertsarecreatedbyclimatechanges Desertsarealsocreatedbecausepeoplecutdowntreesanddigupgrass SandstormsfromAsiahaveblownacrossthePacificOceantoAmerica Sandstormscan tbeprevented Theinlandregionhasmoresandstormsthantheonenearthesea Introduction 3 Workinpairs Discussthequestions Whatshouldyoudoinasandstormtoprotectyourself Whichdoyouthinkismoredangerous anearthquakeorasandstorm Saywhy WhereinChinadosandstormsbegin Ifyouareinadesert whatisthefirstsignofasandstorm Haveyoueverbeeninasandstorm Ifyes describeittoyourpartner Homework RecitethenewwordsPreviewthereadingpart readthetext Period2ReadingandVocabulary Pre reading SandstormsinAsia Para1TheinfluenceofsandstormsinBeijing Para2Thehistoryofsandstorms Para3Thesuggestionsfromweatherexpertsandlocalpeople Para4Thecausesofsandstorms Para5Themeasuresthatthegovernmenthastaken Para6Thedescriptionofsands...
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