【教学设计】Unit 13 Section A （人教）

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1、Unit13We’retryingtosavetheearth!SectionA叶集实验学校武海燕Period1SectionA1a-2d◆教材分析本单元带领学生了解一些有关地球污染，动物濒危等问题。并且教会大家如何保护濒危动物，如何通过回收再利用等方式来保护地球。本单元主要复习语法内容为：情态动词和动词形式变化，主要带领学生进行语法复习，巩固语法知识。◆教学目标【知识与能力目标】1.掌握重点单词及短语。2.复习语法：能正确区分和使用以下语法结构：现在进行时，现在完成时，被动语态，情态动词和usedt

2、o句型。【过程与方法目标】本课主要采用任务型教学法，情景教学法以及多媒体辅助教学，充分发挥教师的主导作用和学生的主体地位。利用现代化教育技术优化教学过程，通过课件为学生创设更多生动活泼的语言环境，把学生吸引到活动中去，并激发他们主动参与学习的欲望，努力培养学生自主学习的能力。【情感态度价值观目标】◆教学重难点◆通过学习具有环境危机意识，学会关注环境保护环境。【教学重点】（1）能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto句型。（2）保护环境的措施方法。【教学难点】能正确运用现在进行

3、时，现在完成时，被动语态，情态动词和usedto句型。◆课前准备◆1.准备录音机和磁带；2.设计课后巩固练习；3.ppt；◆教学过程Step1.PresentationShowthepictureoftheearthandtellstudentstheearthispollutednow.Forexample:(1)Thefactoriesthatburncoalpollutetheairwithalotofblacksmoke.(2)Factoriesputwasteintotheriver.(3)

4、Peopleshouldthrowawaylitterinthebin.(4)Therearemorecarsontheroad.Learnsomenewwords.Step2.Workon1aHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.loudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildingh

5、ousesmobilephonesnoisepollutionairpollutionwaterpollution________________________________________________________________________________________________________________________________________________Step3.Listening1.Workon1b.Listenandcompletethesenten

6、ces.Whatwastheproblem?Theriverwas_____________.Eventhebottom(底部)oftheriverwasfullof________.Therewerenomore______forfishermen(渔民)tocatch.Whatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblemb

7、esolved?Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.2.Listenagainandanswerthefollowingquestions.1)WhatdoesTonywanttodolaterthisafternoon?HewantstogoswimmingwithMarkintheriverlaterthisafternoon

8、.2)Whydoesn’tMarkwanttogowithTony?Becausetheriverwasreallydirty.Eventhebottomoftheriverwasfullofrubbish,andtherewerenomorefishforfishermentocatch.3)Howwastheriverinthepast?Itusedtobesoclean.Ithasbeenthenicestriverinthistown.Step4