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1、Unit7What’sthehighestmountainintheworld?SectionA3(Grammarfocus-4c)Step1RevisionAsktheSstoretellthearticle.Step2Grammarfocus—What’sthehighestmountainintheworld?—Qomolangma.—HowhighisQomolangma?—It’s8,844.43metershigh.It’shigherthananyothermountain.—Whichi
2、sthedeepestsaltlakeintheworld?—TheCaspianSeaisthedeepestofallthesaltlakes.—DidyouknowthatChinaisoneoftheoldestcountriesintheworld?—Yes,Idid.It’smucholderthantheUS.Step3Grammar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,al
3、ot,abit,alittle,any,no,some,even,still等词修饰。如：Youmustworkmuchfaster.Youlookalothappierthanyoudidyesterday.Hewastootiredtowalkanyfurther.Thisbookisevenmoreusefulthanthatone.2.比较级前还可加其他表示数量的词。如：Mysisteristenyearsyoungerthanme.Wereachedheretwodaysearlierthan
4、theothers.◆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：LiuLiisoneofthemostpopulargirlsinourclass.3.形容词和副词的比较级和最高级可以互相转换。如：Janeistallerthantheothergirls/anyothe
5、rgirlintheclub.=Janeisthetallestgirlintheclub.Thiscarrunsfasterthantheotherones/anyotheroneinthegarage.=Thiscarrunsthefastestofallthecarsinthegarage.Step4中考链接1.比较级考点①比较级修饰问题alittle,abit,even,still,much,alot,far等可修饰比较级。e.g.TomisalittletallerthanJim.Thisbo
6、okismuchmoreinterestingthanthatone.②the+比较级e.g.Lucyisthefatterofthetwogirls.③“a/an+比较级” 表示“又一，再一”e.g.Lilyhasadoll,butshewants abiggerone.④隐性比较（没有than的情况）e.g.Whorunsfaster,LucyorLily?You’dbettercomeearliernexttime.Heworkedhardlastterm,butheworksevenharder
7、thisterm.⑤越来越......a.比较级+and+比较级b.the+比较级+句子，the+比较级+句子e.g.It’sgettingcolderandcolder.Themoreyouexercise,thebetteryouare.2.最高级考点说明：形容词的最高级前必须加the;副词的最高级前省略the。①范围问题e.g.Tomisthetalleststudentintheclass.Springisthebestseasonoftheyear.②“......之一”问题e.g.Beiji
8、ngisoneofthebiggestcitiesintheworld.③“the+序数词+最高级”e.g.Ithinkheisthesecondtallestboyinhisclass.3.比较级和最高级的转换e.g.Tomisthetalleststudentintheclass. =Tomistallerthananyotherstudentintheclass. =Tomistallerthanalltheotherstuden
