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高一英语必修三模块4教案 第一篇:高一英语必修三模块4教案GiantsandstormhitnorthernChina如果你生活在北方,你可曾目睹过沙尘暴袭来时天地昏黄、日月无光的景象呢?你可曾想过谁是造成这种灾害的罪魁祸首呢?其实就是我们人类自己。OnMarch10,2004,strongwindsfromRussia’sSiberiakickedupcloudsofdustandsand.ThusnorthernChinawashitbytheseason’sfirstmajorsandstorm.Thethickyellowgloomslowedtrafficandforcedairportsandschoolstoclose,givingtheskyayellowappearance.NorthwesternGansuProvincewastheworstaffectedarea.Onevillagersaid,“There’snothingtodobutdigawaythesandnonstopandwaittoseewhathappens.SometimesIdreamofthesandfallingaroundmefasterthanIcandigaway.Iworrythatinreallife,thesandwillwin.”Hisworryisunderstandable.Everyyear,about110millionpeoplesufferfromdesertificationandanother2,500sqkmturnstodeserteachyear.FewpeoplethinkofChinaasadesertnation,butitisamongtheworld’slargest.Whatcausestheterriblesandstorm?Theanswerisobvious.YearsofheavyfarmingandanimalgrazinginthenorthernChinaarethemajorreasons.Duetothis,thelandofvegetationthatprotectsthesoilisdisappearing.Theexposedearthbecomesadustbowleasilysweptupbythestrongwinds.Asearlyasinthe4thcenturyB.C.,ourancestorsbegantonoticetheenvironmentalproblem.ChinesephilosopherMencius(孟子)oncewroteaboutdesertificationanditshumancauses,includingtree-cuttingandovergrazing.OurformerPremierZhuRongjialsocalledit“analarmfortheentirenation”.Hecalledonthewholenationtoplanttreestofightthegrowingdesertification.However,Chinesedesertsarestillonthemove.SandstormthreatensevenBeijing.Beijing,whichwillhostthe2008OlympicGames,hastoldtheworlditwillholda“GreenOlympics”.Thegovernmenthaspromisedtomakethecapitalintoa“gardencity”fortheGamesbycreatingbeltsoftrees.Soagreatprojectnamed“GreenWall”isinprocess.Thegreenwall,liketheGreatWall,willblockinvasionoftheenemy.However,theenemyarenotforeigninvaders,butsand.小字典gloomn.阴沉nonstopadv.不断地grazingn.放牧vegetationn.植被dustbowl干旱尘暴区ancestorn.祖先invasionn.入侵Openquestion:Asastudent,whatwillyoudoforthe“GreenOlympics”?重点短语透视------------【词条1】becaughtin【课文原句】“Tohavebeencaughtinasandstormwasaterribleexperience,”...(Page32)【点拨】becaughtin此处意为

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