英语八年级下unit7 SectionB1a-1d课件.ppt

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1、Unit7What`sthehighestmountainintheworld?SectionB1a-1dTheComparativeandSuperlative复习形容词和副词的比较级和最高级形容词和副词比较级和最高级构成(规则变化)tallnicehappybigpopular单音节词在词尾比较级加-er或最高级加-est以e结尾的词，只需加－r或－st以辅音字母加y结尾双音节词变y为i加–er或–est重读闭音节、末尾只有一个辅音字母双写加–er或–est部分双音节和多音节词在原级前加more或mosttaller-tallestnicer-

2、nicesthappier-happiestbigger-biggestmorepopular-morepopular不规则变化good/wellmuch/manybad/badly/illlittlefarold–better-best–more-most–worse–worst–less–least–farther/further–farthest/furthest–older/elder–oldest/eldest1.good2.comfortable3.big4.happy5.cheap6.many7.difficult8.littlebe

3、tterbestmore～most～biggerbiggesthappierhappiestcheapercheapestmoremostmore～most～lessleast写出下列单词的比较级和最高级造句练习1.世界上最高的山峰是什么？（high）2.尼罗河是世界上最长的河流。（long）3.中国是世界上最古老的国家之一。（old）4.大象比熊猫大。（big）Whatisthehighestmountainintheworld?TheNailisthelongestriverintheworld.Chinaisoneoftheoldestcou

4、ntiesintheworld.Elephantisbiggerthanpanda.Doyoulikeanimals?Whatanimalsdoyoulike?Canyoudescribetheseanimalstous?Lead-inElephant大象HugeSmartStrongFatFriendlyBabypanda熊猫宝宝Babypandaismuchsmallerthanadultpanda.Panda熊猫CuteFatLovelyBlackandwhitePandaslikeeatingbanbooms.NewwordsWeighv.

5、重量是….Birthn.出生Atbirth出生时Upto到达、至多有Adultadj.成年的n.成人Bamboon.竹子1a.Comparefactsaboutthesetwoanimals.Usethelanguageintheboxtohelpyoumakesentences.Examplesentence:Thiselephantweighsmanytimesmorethan(倍数)thispanda.(200cmtaller/shorter,weighmuchmore/less,eatmuchmore/less,eatmanytimesmo

6、re)1.…cmtaller/shorterthanHeis10cmtallerthanme.2.much/even/alittle+比较级heismuchtallerthanme.3…timesmorethan… (比…多几倍)Heistwotimestallerthanthebaby.Thiselephantis200cmtallerthanthispanda.Thispandaeatsmuchlessthanthiselephant.Thiselephanteatsmanytimesmorethanthispanda.Thepandaweig

7、hsmuchlessthantheelephant.1b.Listenandcheck(✓)thenumbersyouhear.100onehundred16sixteen20twenty50fifty120onehundredandtwenty0.1zeropointone0.2zeropointtwo150onehundredandfifty1b.Listenandcheck(✓)thenumbersyouhear._____100_____16_____20_____50_____120_____0.1_____0.2______150✓✓✓

8、✓✓1.Atbirth,ababypandaisabout______to_______kilos.2.Atbirth,a