八年级英语下册 Unit 7 What's the highest mountain in the world Period 4导学案（新版）人教新目标版.doc

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1、Unit7What'sthehighestmountainintheworld第四课时SectionA(GF—4c)点拨升华（本单元语法重点讲解，希望同学们自己多看，理解消化）1.对于物体长、宽、高、深度、面积的表达（下一课时详细讲解）Eg.20米长20meterslong10米宽10meterswide15米深15metersdeep150平方米150squaremeters2.形容词与副词的比较级和最高级u复习形容词与副词的比较级和最高级的变化规则u形容词与副词的比较级和最高级的用法1）比较级考点①比较级修饰问题alittle,abit,even,still,mu

2、ch,alot,far等可修饰比较级。如：Tomisalittle_______(tall)thanJim.Thisbookismuch_______(interesting)thanthatone.②同级比较如：TheweatherinBeijingiscolderthanthatinXi’an.Ourschoolisbiggerthanyours.③the+比较级+of短语（范围限于两者之间）如：Lucyisthefatterofthetwogirls.④“a/an+比较级” 表示“又一，再一”如：Lilyhasadoll,butshewants abiggero

3、ne.⑤隐性比较（没有than的情况）如：Whorunsfaster,LucyorLily?You’dbettercomeearliernexttime.Heworkedhardlastterm,butheworksevenharderthisterm.⑥越来越......Ø比较级+and+比较级“越来越···”Øthe+比较级+句子，the+比较级+句子“越···越···”如：It’sgettingcolderandcolder.Themoreyouexercise,thebetteryouare.⑦“比较级+thananyother+单数名词/（other+可数名

4、词复数）如：BeijingislargerthananyothercityinChina.⑧表示“几倍于···”时，用“倍数+比较级+than”表示。倍数用……times表示如：Yourroomisthreetimesbiggerthanmine.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范围问题如：Tomisthetalleststudentintheclass.Springisthebestseasonoftheyear.②“......之一”问题如：Beijingisoneofthebiggestcitiesintheworl

5、d.③“the+序数词+最高级”如：Ithinkheisthesecondtallestboyinhisclass.比较级和最高级的转换如：Tomisthetalleststudentintheclass.  =Tomistallerthananyotherstudentintheclass.  =Tomistallerthanalltheotherstudentsintheclass.  =NootherstudentsaretallerthanTom.3）同级比较①as+adj./adv.+as如：SheisasthinasLily.Hewritesascaref

6、ullyasLinda.②not+as/so+adj./adv.+as如：Tonydidn'trunsofastasCarter课后练习（）1.Chinahasthe_________populationintheworld.A.largestB.mostC.fewestD.least（）2.Londonisoneofthe__________intheworld.A.excitingcityB.excitingcitiesC.mostexcitingcityD.mostexcitingcities（）3.Thisplaceisnotbigenoughforherbi

7、rthdayparty.Weshouldfinda____one.A.big       B.small      C.bigger       D.smaller（）4.Thereis__________bridgeintheoldtown.A.a800-meters-longB.an800-meters-longC.a800-meter-longD.an800-meter-long（）5.Tomjumped________thananyotherboyinhisclass.A.veryfarB.morefartherC.muchfartherD.