--可編輯修改-Module4SandstormsinAsia教材分析本模塊以Sandstorms為話題，旨在讓學(xué)生深入了解沙塵暴的起因和對我國乃至整個亞洲的危害，并通過以“沙塵暴”和“環(huán)境保護”為話題的各種任務(wù)或活動，讓學(xué)生掌握與沙塵暴和環(huán)境有關(guān)的詞匯，了解沙塵暴方面的知識。培養(yǎng)學(xué)生用英語談?wù)撋硥m暴及環(huán)保的語言技能，同時提高學(xué)生的環(huán)保意識。根據(jù)上述教材的分析特征，滿足《高中英語教學(xué)大綱》對英語閱讀的要求以及素質(zhì)教育中要培養(yǎng)學(xué)生綜合素質(zhì)能力的要求，結(jié)合學(xué)生的英語能力普遍薄弱這一學(xué)情，我為這一課確定了如下三項目標：（1）知識與能力：首先幫助學(xué)生復(fù)習(xí)掌握必要的生詞及培養(yǎng)學(xué)生掌握良好的閱讀習(xí)慣和閱讀方法---跳讀、略讀和詳讀等。同時注意開發(fā)和培養(yǎng)學(xué)生的記憶能力，觀察能力、想象、比較和分析能力，以及實踐運用能力等。（2）過程與方法：以課文整體教學(xué)為中心，讓學(xué)生通過groupwork、pairwork等小組合作形式，運用不同的閱讀方法，創(chuàng)設(shè)不同的情境，設(shè)置各種任務(wù)，使不同層次的學(xué)生都能夠積極主動參與到課堂的各項活動中；充分發(fā)揮多媒體的作用，使課堂內(nèi)容豐富，形象直觀，從而為完成本節(jié)課的教學(xué)目標奠定基礎(chǔ)。（3）情感態(tài)度與價值觀：了解沙塵暴方面的知識。同時提高學(xué)生的環(huán)保意識。?教學(xué)重難點【教學(xué)重點】（1）掌握一些與沙塵暴和環(huán)保有關(guān)的詞匯。(2)學(xué)習(xí)表達有關(guān)沙塵暴和環(huán)保的話題?！窘虒W(xué)難點】(1)談?wù)撋硥m暴和環(huán)保，寫有關(guān)環(huán)保的短文。(2)掌握閱讀技巧，了解文章大意。課前準備多媒體課件輔助教學(xué)過程Period1LeadinStep1.WarmingupLeadthenewtopicSANDSTORMSinbyreviewingwhatwehavelearnedinModule3.(2m)hurricanetornadoearthquakesandstormlightningvolcaniceruptionhurricanetornadoearthquakesandstormlightningvolcaniceruptionaturaPeriod2Informationaboutsandstorms.Askstudentstoshowandintroducetheirmindmappingaboutsandstorms.（10m）Period3.ReadingskillsStep1Fastreading（5m）Matchthemainideawitheach.pamgraphStep2ListeningandDetailedreading(10m)Dotheexercises.Period4:DiscussionWhatcanwedotoprotectourearth?(10m)Period5:SummaryandHomework.(3m)Writeashortpassageaboutwhatwecandotoprotectourearth,accordingtothesuggestionsabove.EXERCISEAsandstormreferstoahighamountofwindoccurringinsandyareas,usuallyindeserts,wherethewindspeedisabletoliftthetoplayer（層）ofsandfromtheground,andpushitineverydirection.Thesandinvolvedinthesandstormcanreachheightsofabout3.05m—15.24m.Itisverydangeroustoexperienceasandstorm.Sandcangetintothenose,eyes,mouthandlungs.Ifyouhappentobecaughtinsandstorm,youmustprotectyourselfbywearingmasks,scarves（圍巾）andsoon.Ifyou'redrivingwhensuchastormapproaches,it'sadvisedthatyoupullofftheroad,sinceit'sdifficulttocontinuedriving.Thisisalsoimportantsincevehiclescanfailinduringsandstormsandyoucouldendupstuckontheroad.Mostsandstormsoccourinspring,andduringthedaytime.ManyoftheareasaroundthePersianGulfandtheSaharaDesertareassociatedwiththemostseriousstorms.Sinceit'sanaturalphenomenon（現(xiàn)象）,itcan'tbeentirelycontrolled.Inareasthatarenaturaldesertregions,youcan'talwayspreventasandstorm.There'smuchevidencethattheplanetMars（火星）hasduststorms,andclearly,nohumanintervention介入）isresponsibleforsuch.Thoughitcanmovewholesanddunesanddestroycrops,asandstormisnotwithoutbenefit（益益處）.Ifyou'redrivinginasandstorm,you'dbetter.stopyourcarinthemiddleoftheroad.continuetomakeyourwaystopandaskforhelpstopyourcaronthesideoftheroadTheunderlinedsentenceshowsthat,anyway,sandstormsare.usefulB.uselessC.harmfulD.powerfulAccordingtothewriter,asandstorm.istheresultofhumanactivities.canbepreventedcan'tcompletelydisappearontheearthcan'tbeforecastWhatwillbetalkedaboutifthereisafifthparagraph?thecauseofsandstorms