高中英语 book iii module 4 sandstorms in asia学案 外研版必修3

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1、BookIIIModule4SandstormsinAsia课前学习目标：1.知识和技能：通过阅读文章，学习了解文章内容及篇章结构，让学生们认识到人类对环境的破坏并呼吁人们爱护环境。2.情感态度：加深对祖国的了解和热爱，呼吁人类保护我们的地球。学法指导：自主、探究式一、热身导航：1.预习课本p31的内容并完成课本part1相关的练习。2通过略读和详读相结合，了解P32文章的主要大意，并能完成p33part2,3.5相关的练习。二、预习成果小验收：1.词义配对strengtha.makeyoufee

2、lafraidornervousforecastb.aseriesofactionsintendedtoachieveaparticularresult,especiallyinpoliticsorbusinesscitizenc.thingsthathappenoneafteranother,andhavearesultcampaignd.tosaywhatwillprobablyhappenprocesse.someonewholivesinaparticulartownorcountryfr

3、ighteningf.thequalityordegreeofbeingstrong;force2.用所给动词的适当形式填空buryprocesscitizensurvivedustsandstormdamage1)Noonehaslivedinthishouseforyears.Thefurnitureiscoveredwithalotof____2)Theboydiedbravelyforhiscountry,sohewas_____likeasoldier.3)Whena_______com

4、es,theairisfullofsmalldustandpeoplehavedifficultyinwalkingorriding.4)AnyChinese____mustobeythelawofthePeople’sRepublicofChinaevenifheisnotinChina.5)Afterthefood,manyhouseswere______,andmanypeoplebecamehomeless.6)Sadly,fewanimals______thatterriblefores

5、tfire.7)Desertificationisalong________thattakesmanyyears.三、热身加油站TheDustBowlofthe1930swastheworstagriculturaldisasterinthehistoryoftheUnitedStates.Fornearly10yearsdustblewonthesouthernplainsofAmerica.Peoplecouldn’tbreathewhentheywentoutsideandchildrenw

6、oredustmaskstoschool.Theskywasoftendarkfordays.Over200,000peoplewereforcedtoleavetheirhomesandmovedwesttothecities.Thedisaster_____________badfarmingmethodsandseveralyearswithverylittlerainfallmadethingsworse.Thelanddriedupandthewindblewthesoilaway.Ov

7、er5millionacresoflandbecamedesertduringtheDustBowl.Ittookoverthirtyyearstoreversetheprocessandtoreplanttheland.Andnowitishappeningalloveragaininotherregionsoftheworld.Forexample,insomeareasofnorthwestChinadesertificationisalsoaseriousproblem.Expertssa

8、ythatabout2,300sqkmofagriculturallandisturnedintodeserteveryyear.AndthecausesandconsequencesarethesameastheDustBowl.Fortunately,theChinesegovernmentisfightingdesertificationbyimprovingfarmingmethodsandplantingtreesandgrass.However,thereisstill