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1、Unit7What’sthehighestmountainintheworld?SectionA3(Grammarfocus-4c)教学目标：1语言目标：掌握本单元重点词汇及能用比较级和最高级谈论各之最。2技能目标：能听懂和谈论有关地理和自然的话题。3情感目标：培养学生热爱大自然，保护环境的意识。教学重点：短语:insize,intheworld,2meterstall/long/wide,thebiggestpopulation,oneofthebiggest,themostpopularquestion,talkabo
2、ut,theancientemperors,themainreason,asfarasIknow,noman-madeobjects,mountainclimbing,thesouthwesternpartofChina,thickclouds,coverthetop,riskone’slife,challengeoneself,achieveone’sdream，theforestofnature,trytodosth.,thespiritoftheclimbers,manytimesmorethan,liveupto,
3、prepare…for..,beawake,bespecialtosb.,spendsometimedoingsth.,intheremainingforest,endangeredanimals,inthefuture…句子:What’sthehighestmountainintheworld?Qomolangma.HowlongisQomolangma?It’s8,844.43metershigh.It’shigherthananyothermountain.Whichisthedeepestsaltlakeinthe
4、world?TheCaspianSeaisthedeepestofallthesaltlake.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.It’smucholderthantheUS.教学难点：形容词和副词的比较级和最高级变化规则和用法。物体之间的对比。教学过程：Step1RevisionAsktheSstoretellthearticle.Step2Grammarfocus—What’sthehighestmountaininthewo
5、rld?—Qomolangma.—HowhighisQomolangma?—It’s8,844.43metershigh.It’shigherthananyothermountain.—Whichisthedeepestsaltlakeintheworld?—TheCaspianSeaisthedeepestofallthesaltlakes.—DidyouknowthatChinaisoneoftheoldestcountriesintheworld?—Yes,Idid.It’smucholderthantheUS.St
6、ep3Grammar我们已经学习过形容词和副词的比较级和最高级的构成及基本用法。下面我们进一步学习与其相关的其他知识点。◆形容词和副词比较级的修饰语1.比较级前可加much,alot,abit,alittle,any,no,some,even,still等词修饰。如：Youmustworkmuchfaster.Youlookalothappierthanyoudidyesterday.Hewastootiredtowalkanyfurther.Thisbookisevenmoreusefulthanthatone.2.比较
7、级前还可加其他表示数量的词。如：Mysisteristenyearsyoungerthanme.Wereachedheretwodaysearlierthantheothers.◆形容词和副词最高级的其他用法1.形容词最高级可被second,third等序数词修饰。如：Thebuildingisthesecondtallestinthiscity.2.形容词最高级常用于句型“oneof+the+形容词最高级+可数名词的复数形式”，意为“最……之一”。如：LiuLiisoneofthemostpopulargirlsinou
8、rclass.3.形容词和副词的比较级和最高级可以互相转换。如：Janeistallerthantheothergirls/anyothergirlintheclub.=Janeisthetallestgirlintheclub.Thiscarrunsfasterthantheotherones/any
