八年级英语下册 unit 7 what’s the highest mountain in the world period 3导学案(新版)人教新目标版

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1、What’sthehighestmountainintheworld【学习目标】进行一步复习巩固比较级和最高级的用法。【自主学习】预习自学GrammarFocus并完成4a【合作探究】Step1Grammar形容词和副词比较级和最高级变化规则1.规则变化1)一般情况下，单音节或双音节的形容词（或副词）比较级＋er，最高级＋est如：clever－cleverer－cleverestfew－fewer－fewestsmall－smaller－smallest等。2)以e结尾的词，比较级＋r，最高级＋st即可。如：nice－nicer

2、－nicestcute－cuter－cutestlarge－larger－largest3)以辅音字母＋y结尾的变y为i＋er或est。如:easy－easier－easiesthappy－happier－happiest再如：early,busy,heavy,dirty,lazy也如此。少数单音节词也是这样，如：pleased－morepleased－themostpleasedtired－moretired－themosttired2.不规则变化：good—better—bestwell—better—bestbad－wors

3、e－worstmany/much—more—mostfar—farther—farthest(距离远)far—further—furthest(程度深)old—elder—eldest(长幼)old—older—oldest(年龄)Step2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.Thisbookismuchmoreinterestingthanthatone.②同级比较:e.g.T

4、heweatherinBeijingiscolderthanthatinXi’an.Ourschoolisbiggerthanyours.③the+比较级:e.g.Lucyisthefatterofthetwogirls.④“a/an+比较级” 表示“又一，再一”。e.g.Lilyhasadoll,butshewants abiggerone.⑤隐性比较（没有than的情况）：e.g.Whorunsfaster,LucyorLily?You’dbettercomeearliernexttime.Heworkedhardlastte

5、rm,butheworksevenharderthisterm.⑥越来越......：a.比较级+and+比较级e.g.It’sgettingcolderandcolder.b.the+比较级+句子，the+比较级+句子e.g.Themoreyouexercise,thebetteryouare.2.最高级考点说明：形容词的最高级前必须加the;副词的最高级前可以省略the。①范围问题:e.g.Tomisthetalleststudentintheclass.Springisthebestseasonoftheyear.②“...

6、...之一”问题:e.g.Beijingisoneofthebiggestcitiesintheworld.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.  =Tomistallerthanalltheotherstudentsintheclass.  =Nootherstud

7、entsaretallerthanTom.2.同级比较①as+adj./adv.+ase.g.SheisasthinasLily.HewritesascarefullyasLinda.②not+as/so+adj./adv.+ase.g.Tonydidn'trunsofastasCarter学以致用1.Ourfamilyhasboughtacarsowecantravel_____thanbefore.（2008陕西）  A.mosteasily  B.lesseasily  C.easily  D.moreeasily  2.M

8、yfathertoldmeastorylastnight.Itis____oneI’veeverheard.（2009陕西）  A.thefunniest  B.funniest  C.funnier  D.thefunnier  3.The___