资源描述：
《外研版高中英语必修3module4教（学）案_introduction》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、.....Module4 SandstormsinAsiaIntroduction整体设计教材分析在本节课中学生将会学到一些关于天气的词汇,重点是用来描述沙尘暴的词汇。教材设计了三个活动来逐渐熟悉本模块的话题,学生可以通过教材设计的三个活动来加深对本单元话题的理解,并能流利地表达沙尘暴发生时的场景。活动一可以设计成看图说话,教师要引导学生想象和回想沙尘暴发生时的场景并准确地描述出来。活动二的判断正误可以使学生对当今地球的环境恶化有个更深地了解。最后的小组讨论活动涉及人们在沙尘暴中的自我保护和对改造环境能够作出什么样的努力。学生通过本节课的学习,能够对沙尘暴这种天气现象作出准
2、确的描述并能分析其原因和给出解决方法。三维目标1．知识与技能1）Makestudentsmastersomenewwords.2）Encouragestudentstoknowhowtodescribeasandstorm.2．过程与方法Trainstudents’speakingabilitythroughindividualandpairwork.3．情感与价值Getstudentstoknowtheharmthatsandstormsdotohumanbeingsandtrytodeveloptheirsenseofenvironmentprotection.教学重点
3、Gettoknowsomeinformationaboutsandstormsandencouragestudentstousetheirownwordstodescribethem.教学难点Learnsomenewwordsandotherinformationaboutsandstorms.教学方法Individualwork,pairworktogeteverystudenttoparticipateinclass.教学过程→Step1Backgroundaboutthetopicofthismodule学习参考.....1．Talkaboutthetopicofth
4、ismoduleasanintroduction.Showthefollowingpassagetostudentsonthescreen.AboutSandstormThetopicofthismoduleis“environmentalconservation”（环境保护）.ThismodulemainlyintroducessomethingaboutthesandstormsinAsia,especiallyinChina.Atthesametime,itbringsinsomewordsaboutsandstormsandenvironmentalconserva
5、tion.Whatisasandstorm?Asandstorm,akindofdisastrous（灾难性的）weathersystem,isacombinationofsandandstrongwind.Whatonearthcausessandstorms?Inmyopinion,severesandstormsareusuallycausedbybothnaturalandcontrived（人为的）factors,thatis,climatic,geographical,socialandhumanfactors.Ofallthefactors,theoverus
6、eofnaturalresources,suchascuttingdowntoomanytreesandopeninguptoomuchuntouchedland,leadstothefrequentoccurrenceofsandstorms.Wheredoesasandstormusuallygo?Asmentionedabove,disastrousasitis,asandstormdoesnotgoeverywhere,comingtoonlythoseplaceswithdryweatherandlittlevegetation（植物的总称,植被）.TakeChi
7、naforexample,inthenorthwestofChina,wherethereislittleforest,sandstormsareworsenedwith（因为……而恶化）people’sactivitieslikediggingupgrassandmining（采矿）.Barelandeasilygivesawayitslandwhenstrongwindscome,interactionofsandandwindformingasandstorm.Andwhatdamagewillsandsto
