课例研究上册人教版初中三年级 All these problems are very serious

,Unit2Savingtheearth,Topic2Alltheseproblemsareveryserious,.Teachingaimsanddemands教学目标1.Learnanewwordandsomephrases:asaresult,behavior,inthebeginning,daybyday,dieout2.Learnsomeusefulsentences:(1)Asaresult,airpollutionhasbecomeaseriousproblem.(2)Humanshavecometorealizetheimportanceofprotectinganimals.3.Learntheindefinitepronounandadverb:(1)Noneofuslikespollution.(2)Dontspitanywhereinpublic.(3)Everyoneshouldcareforwildanimalsandplantmoretrees.4.Learntheimportanceofprotectingtheenvironment.,Dieoutimportance,Listentothetapeandcirclethephasesyouhear,becomeweaker,destroytheenvironment,disappearrapidly,onthisearth,enoughbambootoeat,B.Listenagainandfillintheblanks,1.Nowsomekingsofanimalsarebecoming_.,2.Someanimalsare_ofdyingoutcompletely,3.Inthepast,pandaslivedaquietlifeandhad_food.,4.Humanshavecometo_theimportanceofprotectinganimals,5.weshould_toprotectthem.,Fewerandfewer,Indanger,Plentyof,doourbest,realize,Lightpollution,Noisepollution,Waterpollution,litter,Soilpollution,Airpollution,look,listenandsay,Summarizewhatweshoulddoandshouldntdo,ShouldntDontleaverubbishhereandthereDontspitanywhereinpublicDontWalkongrassorpickflowers,ShouldCareforwildanimalsandplantmoretrees,Readandunderlinetheimportantanddifficultsentences,ItsaysthatChinahasbecometheworldslargestproduceranduserofcoal.它提到中国已成为世界上最大的煤炭生产国和消费国。,Asaresult,airpollutionhasbecomeaseriousproblem.结果，空气污染已变成了一个严重的难题。,Thegovernmentisdoingsomethingusefultoprotecttheenvironment.为了保护环境政府正在做一些有用的事情。,Noneofuslikespollution没有人喜欢污染。,TheuseofnoneNone指三个或三个以上的人或物一个也没有，与all相对,谓语动词可用单数也可用复数，需视上下文而定，常用noneof+名词/代词结构。Eg:NoneofthemhasbeenabroadNoneofthepeopleareplayingfootball,Weshoulddoeverythingwecantoprotecttheenvironment我们应该做我们能做的每件事情去保护环境,形容词修饰不定代词时，要放在所修饰词的后面，做后置定语。Eg:Thereissomethinginterestingintodaysnewspaper.今天的报纸上有一些有趣的事情。Youmustntgosomewheredanger你一定不要去一些危险的地方,3.letstudentsread1aagain,findoutthesentenceswithinfinitepronounsandadverbs.,Thegovernmentisdoingsomethingusefultoprotecttheenvironment,Dontspitanywhereinpublic,.Weshoulddoeverythingwecantoprotecttheenvironment,形容词修饰不定代词时，要放在所修饰词的后面，做后置定语,Eg:Thereissomethinginterestingintodaysnewspaper.今天的报纸上有一些有趣的事情。,1bworkalone,Read1aagainandanswerthefollowingquestions,usingfullsentences.,1.Whataretheytalkingabout?2.WhyisairpollutionaseriousprobleminChina?3.Whatshouldstudentsdoandnotdotoprotecttheenvironment?4.Canyougivesomeadvicetothegovernment?,1.Theyaretalkingaboutairpollutionandenvironmentprotection.,2.BecauseChinahasbecometheworldslargestproduceranduserofcoal.,3.Everyoneshouldcareforwildanimalsandplantmoretrees.Weshouldntleaverubbishhereandthere.Weshouldntspitanywhereinpublic.Weshouldntwalkongrassorpickflowers.,4.examples:maketherulesPunishtheproducerofrubbish.Openuptheprogram“GreenerChina”PraisethepeoplewhomakegreatcontributiontoprotectingtheenvironmentAndsoon,Dearheadmaster,Imwritingtotellyou_something_important._nobody_likestobeuntidy.However,somestudentsthrowwastepaperandbottles_everywhere_.Weallneedaquietplacetostudy,butsomestudentsoftenmaketoomuchnoiseatschool.Evenworse,someofthemarequiterudewhentalkingto_others_._everyone_knowstheirbehaviorisbad,but_none_ofusknowshowtostopthem.Ithinkweshouldmakerulestochangethesituation.Perhapsitwillbehardforustokeeprulesinthebeginning,butif_everybody_doestheirbesttofollowtherules,ourschoolwillbecomebetterandbetterdaybyday.SincerelyKangkang,None,Perhapsitwillbehardforustokeeptherulesinthebeginning,.一开始，遵守这些制度可能对于我们来说很难，.,Inthebeginning(一般不与of连用)相当于atfirst,指一个事件的前一阶段或初期,Eg:inthebeginning,theboysteamwonthegame.起初，男子队获胜。,Atthebeginningof指一个事件或一段时间刚刚开始的时候.,Eg:Atthebeginningofthisterm,weheldasportsmeet.在这一学期初期，我们举行了一场运动会.,Ourschoolwillbecomebet