Introduction and reading.ppt

1、Module4SandstormsinAsia,ReadingandVocabulary,Pleaselookatthesepictures.,Howbeautifultheyare!,Butonedaysomethinghappened.,Thesandalmostburiesthecar.,Whatnaturaldisasterisit?,Itisa_.Itisvery_.,sandstorm,frightening,A,C,B,InnerMongolia,Gansu,Xinjiang,NorthAmerica,CentralAfrica,Australia,CentralAsia,The

2、rehasbeena_.It_fortenhoursandwasvery_.Thewind_thesandhigharoundthehouses,andsomecarswerealmostcompletely_bythesand.,sandstorm,lasted,frightening,wasblowing,buried,blowburyfrighteninglastsandstorm,has,Lookatthepicturebelowandcompletethesentencesusingthecorrectformofthesewords.,Reading,Fastreading:,Lo

3、okatthephotos.Readthetextquicklyandanswerthequestions.,1.Whatishappening?Thereisasandstormblowing.2.Whatisthecyclistswearinandwhy?Theyvewearinghoods,masksandglassestoprotectthemselves.,3.Whatdoyouthinkhappentotrafficinthissituation?Why?Itmovesveryslowly.Becauseitisnotcleartoseeeverythingontheroadand

4、peoplemusttakegreatcare.4.Whatdoyouthinkexpertsadvisepeopletodointhissituation?Stayathome.,Readthepassageandmatch.,Para.1Para.2Para.3Para.4Para.5Para.6,SandstormsinAsia.SandstormssometimesaffectBeijing.Thegovernmentplantstreestopreventsandstorms.Sandstormshavebeenamajordisasterforcenturies.Sandstorm

5、sdoalotofdamagetopeople.SandstormsinChinaappeartohaveincreasedasaresultofdesertification.,Skimming,I.Readthepassageandchoosethebestanswers.,1.Sandstormsarestrongwindscarrying_throughtheair.A.dirtandmudB.rainandheatC.sandanddustD.cloudandsnow,Careful-reading,2.Whatdotheexpertsadvisepeopletodowhenasan

6、dstormarrivesinthecity?A.DontgooutB.Dontwearmasks.C.Dontgotoworkasusual.D.Dontridebicycles,3.Thefactorsthatcauselandtobedesertare_.A.cuttingdowntrees.B.diggingupgrassC.climatechangesD.alloftheabove,4.Fromthelastparagraphweknow_.A.thegovernmentwontplanttreesanymoreinfiveyearsB.thedistancebetweenthede

7、sertandthecenterofBeijingisonly250kilometersC.morethan30milliontreeshavebeenplantedinBeijingD.thegovernmentistakingmeasurestopreventsandstorms,II.Readthetextcarefullyandcompletethefollowingchart.,strong,drywindsthatcarrysand,CentralAfricaandAustralia,desertification,thickdust,surprising,Amasscampaig

8、n,morethan30billion,continueplanting,Completethesentencesusingwordsfromthetext.,1.Weatherexpertshavef_anotherbigsandstorminaweekstime.2.Itsf_tobeoutsideinasandstorm.,orecast,rightening,Post-reading,3.Iwasinaverybigsandstormsomeyearsago.Luckily,everyones_.4.Theresalotofd_onthefloor.Weneedtosweepitawa

9、y.5.Desertificationisalongp_thattakesmanyyears.6.ManyBeijingc_cycletowork.,urvived,ust,rocess,itizens,Whatsthecauseofsandstorms?,Discussion,Whatmeasuresshouldwetaketopreventsandstormscoming?,Summary:,1.Weshouldplantmoretreesandgrowmoregrass.2.Controlairandwaterpollution.3.Buildgreenfencesalongthedes

10、ert.4.Forecastsandstormsrealtimetopreventdisaster.,5.Establishsandstormdatabankandcollectinformationaboutsandstorms.6.Allcountriesshouldjoinhandstoproposeaplaninsandstormscontrolandprevention.,Inordertoprotectourearth,manyGreenMovementshavebeenheldallovertheworld,whatshouldwedo?,书面表达:请根据以下提示,针对山东北部遭

11、受沙尘暴袭击的情况,向英语周报社投稿,呼吁大家植树造林,保护环境。1.过去家乡树木成林。2.如今人们毁林种地建房。3.气候变化，土地沙漠化。,4.植树造林,人人有责。DearEditor,ImastudentataShandongmiddleschool,DearEditor,ImastudentataShandongmiddleschool.Myhometownusedtobeabeautifulplace.Thickforestandgreengrasscouldbeseeneverywhere.However,becauseofclimatechanges,itrainslittleno

12、w.,Apossibleversion,Inordertobuildhousesandgrowmorecrops,peopletherecutdownmoreandmoretrees.Astimewenton,theforestswereseriouslydestroyed.Asaresult,sandstormsstruckusnowandthen,fromwhichpeoplesufferedalot.,Topreventtheprocessofdesertification,Ihopethatallthepeopletakegoodcareoftheforestandplantmoretreesinsteadofcuttingthemdown.Thenourlivingcondit