九年级英语unit2savingtheearthtopic1pollutionhascausestoomanyproblemssectiona2_4导学案

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1、Unit2SavingtheEarth教师寄语：Wemuststudyhardsothatwewillmakeourhometownsmoreandmorebeautiful.（我们必须努力学习以便使我们的家乡变得越来越美丽。）Class________Grade9Group_________Name_____________课型：预习+展示课Title:Unit2SavingtheEarth(拯救地球)Topic1：Pollutionhascausedtoomanyproblems.(污染引起了太多的问题。)Sec

2、tion:A2-4(P28)第二课时Learningsteps(学习过程):（Checkbeforeclass）（5’）(我会做)1、单项选择。各组派C层次的学生上台展示学习成果。（在二次铃时完成，学习组长组织并检查评定）()1)Oh,therice______terrible.Itmustgobad.A.smellsB.touchesC.sees()2)---What_____inyourhometowninrecentyears?---Therearemanynewtallbuildings.A.washappe

3、nedB.havehappenedC.hashappened()3)---Wouldyouliketogooutforapicnicwithus?---______,butIhavealotofthingstodo.A.OfcoursenotB.I’dlovetoC.That’sallright()4)---We’velivedhere_____1990.---Soyou’velivedhere_____about22years.A.since,sinceB.for,sinceC.since,for（Learning

4、target）（1’）1、复习1a的对话；2、掌握一般过去时和现在完成时的区别。（Self-study）（20’）（我最棒）41、分角色朗读P27/1a的对话，然后完成下面的短文。Kangkang,Jane,MariaandMichaelare___________apicnic______Sunday.TheywillgototheWestHill._________wenttheretwoyearsago.HesaidtheWestHill______abeautifulplace.There______lots

5、offlowersandgrass.Theair_____________andthewater_______________.andthey_______________beesandbutterflies_____________.Nowadays,everything_____________________.Theflowersandgrass__________________.Thewaterisso_________.It_________terrible.What________________the

6、re.Becausethere______severalchemicalfactories__________wastewater_______thestream.Whata________!Theydon’twanttohaveapicnicthere.2、听力练习。A)听P28/3的录音一遍并给图片标序号。B)再听3的录音两遍并完成句子。【点拨】toomany+可数名词复数toomuch+不可数名词都是太多的意思muchtoo+adj./adv.是太，很的意思。（Let’sshowandimprove）（15’）

7、（我参与）1．结对练习：看2的图片，并和你的同伴仿照例子编类似的对话。Example:A:TherewerelotsofflowersandgrasswhenIvisitedthevillagelastyear..B:Butnowtheflowersandgrasshavegone.A:Whathashappenedhere?B:Thevillagershavedestroyedthem.P1:A:TherewerelotsoftreesinthehillwhenIwenttherelastyear.B:______

8、_______________________________________________A:______________________________________________________B:______________________________________________________P2:A:_________