外研版 book 3 module 4 introduction and reading ppt

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1、Module4Module4SandstormsinAsiaIntroductionandReading5IntroductionPre-readingCareful-reading4123Post-readingFast-reading6Discussion7Writing8HomeworkPleaselookatthesepictures.Howbeautifultheyare!Butonedaysomethinghappened.Thereisstrong,drywindandtheskyisyellow.

2、Thesandalmostburiesthecar.Whatnaturaldisasterisit?Itisa__________.Itisvery__________.sandstormfrighteningLookatthepicturebelowandcompletethesentencesusingthecorrectformofthesewords.Therehasbeena__________.It_________________________fortenhoursandwasvery______

3、_____.Thewind___________thesandhigharoundthehouses,andsomecarswerealmostcompletely______bythesand.sandstormlasted/hasbeenblowingfrighteningwasblowingburiedhasblowburyfrighteninglast(v)sandstormCheckthemeaningofthesewordsanddiscusswhichstatementsaretrue.digear

4、thquakeprotectsignthePacificOcean1Sandstormsbeginindesertareas.2Desertsarecreatedbyclimatechanges.3Desertsarealsocrestedbecausepeoplecutdowntreesanddigupgrass.4SandstormsfromAsiahaveblownacrossthePacificOceantoAmerican.√√√√5Sandstormscan’tbeprevented.6Theinla

5、ndregionhasmoresandstormsthantheonenearthesea.√1.What’sthecauseofsandstorm?2.Whatshouldyoudoinasandstormtoprotectyourself?DiscussionThecauseofsandstormcuttingdowntoomanytrees;desertification(沙漠化);hightemperatureandlittlerain;seriousairandwaterpollution;thegro

6、wingpopulationoftheworld;improperuseofland;rapidspreadofurbanization.Weshouldn’tgoout.Wehavetowearhoods,masksandglasses.Carsslowdownandhavetoturnonheadlight.Whatweshoulddoinasandstormtoprotectourselves:3.WhereinChinadosandstormsbegin?4.Whichdoyouthinkismoreda

7、ngerous,anearthquakeorasandstorm?Saywhy.5.Ifyouareinadesert,whatisthefirstsignofasandstorm?6.Haveyoueverbeeninasandstorm?Ifyes,describeittoyourpartner.ReadingandVocabularySandstormsinAsiaCanyouguessthewordsfromthesedefinition?1.torideabicycle________2.someone

8、whoknowsalotaboutaparticularsubject__________cycleexpertPre-reading4.someonewholivesinaparticulartownorcountry__________citizen5.verysmallbitsofdirtorearth,onthegroundorintheair________du