高中英語外研版高中Module4SandstormsinAsiaS

SandstormsinAsiaTeachinggoals:To

learn

someexpressions:disaster,amasscampaign,becaughtin,aterribleexperience,survive,asaresultof,desertification,digup,process,wakeupto,tobedoing,prevent...from...

2.To

haveabetterunderstandingofdefinition,causes,badeffectsofsandstorms.3.

To

discuss

possible

measures

we

can

take

to

deal

with

sandstorms.

4.To

raisestudents’

awareness

of

environmental

protectionand

develop

a

harmoniousrelationshipwithnature.Teachingprocedures:Step1:leadinUseavideoabout“sandstormshitNorthernChina”toleadintheclass.Whenwatchingthevideo,studentsarerequiredtothinkabouttwoquestions:“Whathappenedinthevideo?”;“Howwaspeople’slifeaffectedbyit?”（Exemplifying,understand）Afterwatchingit,give2minstothemtodiscuss“Howwaspeople’slifeaffectedbyit?”Step2:fast-reading:readforgeneralidea.task1:Becausesshavemadepreviewaboutthepassage,Iaskthemtochecktheirsummariesinagroup.(summarizing,compare)Aftertheyhaveageneralunderstandingofthewholepassage,let’sreadparagraphsonebyonetogetsomedetailedinformation.Step3:careful-reading:readfordetailedinformation.ReadPara2Whatisasandstorm?Howpowerfulcanthewindbe?Whatissanddunes?(ahillofsandinthedesert)(explaining,understand)Wheredosandstormsmainlyoccur?WhichpartofChinaislocatedincentralAsia?(recognizing,remember)WhydidthewriterdescribetheexperienceofRenjianbo?ReadPara4&Para5Whatbadeffectsdothepowerfulandharmfulsandstormshaveonourlifeandenvironment?Inadditiontotheeffectsmentionedinthepassage,whatothereffectsdosandstormsbringtoourlife?(classifying,understand;attributing,analyze)Whenasandstormarrives,whatdoweatherexpertsadvisepeopletodo?Aswecansee,sandstormscausedsomuch_________toourlife,we’dbetterfigureoutwhatcausedit?ReadPara3Whatcausedsandstorms?Desertification.Whatisthedesertification?(Itisaprocessthathappenswhenlandbecomesdesert.)(explaining;understand)Climatechange,cutdowntreesanddigupgrass.Canyoulistmorecauses?(attributing,analyze)Pollutionandovergrazing(Pleasediscusswithyourpartners)Why?(critiquing,evaluate)Whodidthesethings?HumanbeingsWesee,wehumanbeinghavedonethesethingswhichcausesandstorms.Itiswehumanbeingsthataremainlyresponsibleforthesandstorms.Soweshouldtakesomemeasurestodealwithit.ReadPara6Topreventsandstormscomingnearer,whatmeasureshavebeentakenbythegovernment?Aretheyeffective?Actually,governmenthaveplantedlotsoftreesalongthedesert.Isitenough?Howaboutordinarypeople,likeyouandme?Whatshouldwedo?Step4:after-reading:readforfurtherunderstanding.It’sestimatedthatifhumanbeingsdonottakemeasurestostopsandstorms,90yearslater,over1/3ofthelandonearthwillbecomedesert.Sothesituationisserious.Whatshouldwedotostopsandstorms?(executing,apply;producing,create)Sixstudentsmakeupagroup.Pleasediscusswithyourgroupmembersandlistsomemeasuresonyourhandout.Later,wewillinvitesomespeakerstoshareyourgroup’sideaswithus.Allyourmeasuresarebrilliantideas.However,what’smoreimportantisaction.Let’stakeactiontoprotectourhealth.Homework:Afterclass,eachgroupisreq