八年级下册七单元SectionA3VIP免费

Retellthearticle.1.—世界上最高的山峰是哪个？—珠穆朗玛峰。—What’s____________mountainintheworld?—Qomolangma.FillintheblanksaccordingtoGrammarFocus.thehighest2.—珠穆朗玛峰有多高？—它有8844.43米高。它比别的山都高。—HowhighisQomolangma?—It’s_________________.It’s_______thananyothermountain.8844.43metershighhigher3.—世界上最深的咸水湖是哪个？—里海是世界上最深的咸水湖。—Whichis___________saltlakeintheworld?—TheCaspianSeais_________________________________.thedeepestthedeepestofallthesaltlakes4.—你知道中国是世界上最古老的国家之一吗？—我知道。中国比美国古老。—DidyouknowthatChinais______________________intheworld?—Yes,Idid.It’smucholderthantheUS.oneoftheoldestcountries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：LiuLiisoneofthemostpopulargirlsinourclass.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/anyotheroneinthegarage.=Thiscarrunsfastestofallthecarsinthegarage.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.Thisbookismuchmoreinterestingthanthatone.②the+比较级e.g.Lucyisthefatterofthetwogirls.“③a/an+比较级”表示“又一，再一”e.g.Lilyhasadoll,butshewantsabiggerone.④隐性比较（没有than的情况）e.g.Whorunsfaster,LucyorLily?You’dbettercomeearliernexttime.Heworkedhardlastterm,butheworksevenharderthisterm.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.Beijingisoneofthebiggestcitiesintheworld.“③the+序数词+最高级”e.g.Ithinkheisthesecondtallestboyinhisclass.3.比较级和最高级的转换e.g.Tomisthetalleststudentintheclass.=Tomistallerthananyotherstudentintheclass.=Tomistallerthanalltheotherstudentsintheclass.=NootherstudentsaretallerthanTom.总结：①anyother+名词单数theother+名词复数②否定+比较级=最高级比较级+极限=最高级同级比较①as+adj./adv.+ase.g.SheisasthinasLily.HewritesascarefullyasLinda.②not+as/so+adj./adv.+ase.g.Tonydidn’trunsofastasCarter.Fillintheblankswiththecorrectformsofthewordsinthebox.bigmuchpopularlongoldhighbigmuchpopularlongoldhigh1.TheAmazonRiverisoneofthe_______riversintheworld.It’salittle_______thantheYangtzeRiver.2.Qomolangmais8,844.43meters_____.It’soneofthemost________placesforseriousmountainclimbers.longestlongerhighpopular4a3.Nooceanintheworldisas_____asthePacificOcean.4.AlthoughJapanis_____thanCanada,itis_______smaller.bigoldermuchbigmuchpopularlongoldhighbigmuchpopularlongoldhighWritetwocomparisonsabouttwotopics.W...