We'retryingtosavetheearth!第四课时SectionB(1a－1e)【学习目标】1．学习并掌握下列词汇：recycle，napkin2．学习并正确使用以下常用表达：stopdoingsth.，It'shardtodosth.3．学习并会用下列句型：(1)Turnoffthelightswhenyouleavearoom.(2)Turnofftheshowerwhileyouarewashingyourhair.(3)—Recyclingpaperisreallyeasy.—Iagree.Butit'shardtostopridingincars.【学习重点】提高学生的听力能力，练习目标语言。提高学生的口语交际能力。【学习难点】如何培养学生的听说能力。通过上述图片和影片的介绍，使学生对本节课有了一定的了解，引起学习短文的兴趣，而且还很自然的导入到本节课的内容。Task1ReadthenewwordsbyphoneticsymbolsonP101.ThendrawnewwordsinlineandmarkChinesemeaning.Finishthetasksin1aand1bintheend.【学法指导】◆Itis＋adj.(forsb.)＋todosth.如：It'shardtostopridingincars.It'sdifficultforparentswithyoungchildrentousepublictransportation.Task2Listentothetapeandfinishthelisteningtasksin1conP101.Thenlistenagainandfinishlisteningtasksin1d.Listentothetapeforthethirdtime，finishthecomplementarytasks.1．—Whoreadabook?—Jack.2．—WouldJuliaturnofftheshowerwhensheiswashingthehair?—No，shewouldneverdothat.3．—DoesJackliveclosetoschool?—Yes，hedoes.Task3Accordingto1cand1dcompletetextbook1etask，requirestudentstoimitatethelistening，carryontheconversationpractice，talkaboutwhatwedidtohelpsavetheearth.【备注】情景导入生成问题用多媒体播放一些有关治理环境污染的图片或视频，然后询问学生我们应该如何来预防和治理环境污染并发表各自的看法和观点。Theteachermaypromptssgivemorethoughttowhatcanbedonetosavetheenvironment.Givingreasonscallonafewsstoaskthemtosharetheirrankingswiththeclass.T：Howshouldyoudotosavetheenvironment?Ss：Wecan________________________________________________________________________.自学互研生成能力Task1Let'sreadthenewwordsandphrases.1．Icanread.(我会读)预习下列单词，争取自己能够正确拼读。拼读成功后再在课文中把单词标记出来。recycle，napkin2．Icanwrite.(我会写)写出下列短语的英文表达：(1)回收利用书和废纸recycle__books__and__waste__paper(2)使用纸巾use__paper__napkins__(3)关掉喷头turn__off__the__shower(4)开车出行ride__in__carsTask2Let'slistentothetapeandfinish1c，1d.Task3Let'smakeconversationsandinterview.1．Icantranslate.(我会译)(1)买东西的时候你最好自己带袋子。You'dbettertake__your__ownbagswhenshopping.(2)我想要两张纸。Iwanttwopieces__of__paper．(3)她靠回收书和纸张为生。Shemakesalivingby__recyclingbooksandpaper.(4)我们应该骑自行而不是开车。Weshouldrideourbikesinstead__of__ridingincars.2．Icanmakeconversations.(我会编对话)Makeaconversationusingtheinformationfrom1c.Saywhatistrueforyou.A:Wereallyshouldn'tusepapernapkins，youknow.B:Iknow.Istoppedusingthemlastyear________________________________________________________________________.3．Icansummarize.(我会总结)归纳stop的用法：stoptodosth.与stopdoingsth.的区别(1)stopdoingsth.是“停止做某事”，doing是stop的宾语，是要停止的动作。如：Thetwogirlsstoppedtalkingwhentheysawme.那两个女孩一见到我就停止了讲话。(2)stoptodosth.是“停下来开始做某事”，todo是stop的状语，表示目的，是要开始做的事情。如：Thetwogirlsstoppedtotalktomewhentheysawme.这两个女孩一看到我就停下来和我讲话。交流展示生成新知Preshow：Showingroups.(Time：sixminutes)Task1：1.First，thestudentsreadthewordsandphrasesingroups.Then，readtogetherandsumuptheusageofthewordsingroups，thenmarkthedifficultwordsinpronunciationandunderstanding.(theycanasktheteacherforhelp)2.TheteacherasksstudentstoturntoP101andreadthecon...
