英语人教版九年级全册Unit13 3a-3b

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1、Period5SectionB2(3a-SelfCheck)Step1.RevisionWritedownthesephrases.停止乘小汽车回收纸用纸巾好好利用用垃圾建造房倒置经营小生意回复，归还旧玻璃瓶拆下一个有创意的大脑开一个小店更受欢迎的作品给他人带来欢乐Step2.Presentation1Talkaboutthekindsofpollution2WhatcausedthepollutionSuchas:throwlitter/rubbishintotheriver.Factoriesput/pourwastewaterintotheriver.blacksmokefromfact

2、ories3Whatshouldwedotosavetheearth?Turnoffthelightswhenweleavearoom.Takeourownbagswhenshopping.Rideabike.Recyclepaper.Don’tusepapernapkins.Whatshouldgovernmentsdotosavetheearth?Theyshouldclosedownthefactoriesthatputwasteintotheriver.Setupalotofdustbinsonthestreet.Stoppeoplefromusingwoodenchopsticks,

3、plasticbowlsandbags.Organizepeopletocleanupthestreetsandrivers.21cnjy.comStep3WritingWorkon3b.Writealettertothecitymajorabouttheproblemandyoursuggestions.Inyourletter,describetheenvironmentalproblemsinyourtown/city.①Whataretheproblems?②Wherearethey?③Whatorwhoiscausingtheseproblems?Then,givesuggestio

4、nsorpossiblewaystosolvetheproblems.Ithinkthat…Weshould/could…Isuggest…本次写作内容是一封书信,信中首先要介绍你所在城市存在有哪些环境问题，是谁造成的这些问题，然后提出解决这些环境问题的方法和措施，可以结合3a中列举的问题和前面学过的解决办法来完成这封信。21·世纪*教育网Step4.SelfCheck1.Writedifferentformsofthewords.Thenaddmoretoeachgroup.2.Matcheachstatementwiththegrammarstructure.3.Writewaystocu

5、tdownonthesekindsofpollution.2-1-c-n-j-ywww-2-1-cnjy-comStep5Exercises:Step6.Homework1.Writealettertothelocalgovernment,raisetheenvironmentalproblemandtrytothinkoutpossiblesolutions.