百度文库-让每个人平等地提升自我33仁爱英语九年级上册Unit2Topic2导学案SectionA学习目标：1.谈论森林和水资源的重要性，培养学生的环保意识。2.继续学习不定代词的用法。学习重点：不定代词的用法。学习过程：一、自主学习A.听说准备1.同学们要学会拼读和识记SectionA单词。2.听1a录音，勾画出难读的单词或句子。注意模仿语音语调B自学内容1在文中找到并划出下面的短语1.刮大风2.许多、大量_____3.走在街上_______________________4.刚才__________________________________5.砍伐太多的树木______________6.造成沙尘暴_________________________7.结果_________________________8.大量富饶的土地___________________________9.变成沙漠_______________________10.阻止大风刮走泥土__________________11.阻止流水冲走泥土_____________12.对人类有害_______________________13.绿色长城_____________________14.灭绝、消失_________________________15.形成________________________二、要点讲评aresult,alotofrichlandhaschangedintodesert.译：_______________________________________点拨：change⋯into⋯（把⋯变成⋯）=turn⋯into⋯练习：1)水变成蒸汽。Waterhaschangedintosteam.2)CouldyouchangethisarticleintoEnglish.译___________________canalsostopthewindfromblowingtheearthaway.Theycanalsopreventthewaterfromwashingtheearthaway.译：_______________________________________百度文库-让每个人平等地提升自我34点拨：stopsb./sth.(from)doingsth.=preventsb./sth.(from)doingsth.---阻止⋯做某事(from可以省略)同义词组keepsb./sth.fromdoingsth.---阻止⋯做某事（from不能省略）练习：Weshouldstop/preventhumansfrom____(destroy)theenvironment.downtreesisharmfultohumanbeings,animalsandplants.译：________________________________注意：cuttingdowntrees是动名词词短语在句子中作主语，谓语用单数。isbadforourhealth.wehavebuilt“TheGreatGreenWall”,westillneedtodosomethingtoprotecttheenvironment.译_____________________________________________点拨：although是连词，有“虽然，尽管”和“不过，然而”两层意思，引导让步状语从句，可以和though互换，although较正式，though更为口语化，使用更普遍些。注意：although引导的从句不能与but,however同时连用，但常与yet,still连用。练习：虽然他老了，但是他仍然继续努力工作。Althoughhewasold,hestillworkedhard.常见的不定代词用法：somebody,someone,something,somewhere一般情况下用于肯定句anybody,anyone,anything,anywhere一般情况下用于否定句和疑问句none,nobody,nothing,nowhere表否定含义everybody,everyone,everything,everywhere可用于各种句式三、达标测评（A）用someone,something,anything,somewhere,anywhere填空。1.Lily,wouldyoulike___________todrink?2.Cindyisverybusynow.Sheneeds_______tohelpher.3.Isthere_________wrongwithyourcomputer?4.Jimlookedforhispencil-box____________,buthedidn’tfindit.5.Istayedathomelastweek.Ididn’tgo__________.（B）()mustplantmoretreesafterwe_____everyyear.A.cutoffthemB.cutthemoffC.cutdownthemD.cutthemdown百度文库-让每个人平等地提升自我35()cleanersmustkeepthestreet_____.A.fromgettingdirtyB.todirtyC.togetdirtyD.gettingdirty()driverwasbadlyhurt_____ofthetrafficaccident.A.ataresultB.intheresultC.withtheresultD.asaresult4.不要到处扔垃圾。Don’tthrowtherubbish_____and_____.5.森林有利于防止水土流失。Forestshelptokeepwater__________theearthaway.6.我们应该尽一切努力保护环境。Weshoulddo__________toprotecttheenvironment.7.大量良田变成荒漠。Alotofrichlandhas_____intodesert.Unit2Topic2SectionB学习目标：1.学习不定代词和不定副词的用法。2.进一步了解有关环境污染的一些情况，提高环保意识。学习重点：不定代词和不定副词的用法。学习过程：一.自主学习1.在文中找到并划出下...
