Unit4Topic1SectionA.ppt

Unit4OurWorld,Topic1Whichdoyoulikebetter,plantsoranimals?,SectionA,Wheredoyouwanttolive,countrysideorcity?Why?,Talkabout,cow,countrysiden.农村，乡下,horse,hen,Whatcanweseeinthecountryside?,sheep,somesheep,Whatcanweseeinthecountryside?,goose,somegeese,Whatcanweseeinthecountryside?,mouse,somemice,Whatcanweseeinthecountryside?,DoesWangWeilikethecountrysideorthecity?Now,watchtheflashof1a,andfindouttheanswer.,1a,1b,Listento1aandcheckthewordsyouhear.,_fresher_busier_bluer_taller_bigger_clearer_nicer_quieter_noisier,Now,lookatthepicturesandsaysomethingaboutthecountrysideandthecity.,countryside,Theairisfresh.,Theskyisblue.,Thetreesaregreen.,Theriverisclear.,Itsquietinthecountryside.,Theairisdirty.,Theriverisdirty.,city,Thebuildingsaretall.,Theroadsarewide.Thetrafficisbusy.,Itsnoisyinthecity.,Theairinthecountrysideis_Theskyinthecountrysideis_Theriverinthecountrysideis_Thetreesinthecountrysideare_thanthoseinthecity.Its_inthecountrysidethaninthecity.,thanthatinthecity.,greener,quieter,fresher,bluer,clearer,WangWeilikesthecountrysideverymuchbecausehethinkstheairis_,theskyis_andtheriversare_there.Michaelthinksthecountrysideismuch_thanthecity,too,sopeoplecanenjoythebeautiesofnature.WangWeigoestothecountrysideeveryyearforhissummerholiday.,fresher,bluer,clearer,quieter,Listenagainandfillintheblanks.Thenreaditaloud.,所填单词有什么特点？,单音节及部分双音节形容词比较级（-er）和最高级（-est）的规则变化。,1.一般在词尾直接加er/est:talltallertallest2.以e结尾的单词去e加er/est:widewiderwidest3.以辅音字母加y结尾的单词，把y改成i,再加er/est:busybusierbusiest以重读闭音节结尾，且末尾只有一个辅音字母的单词，双写末尾的辅音字母，再加er/est:bigbiggerbiggest,(fat,thin,red,hot),单音节及部分双音节形容词比较级（-er）和最高级（-est）的规则变化。,下列形容词比较级和最高级变化有什么规律？,taller,tallest,braver,bravest,fatter,fattest,thinner,thinnest,uglier,ugliest,2b,写出下列形容词的比较级和最高级。,short_small_large_late_happy_easy_hot_hard_cute_dirty_,shorter,shortest,larger,largest,happier,happiest,hotter,hottest,cuter,cutest,smaller,smallest,later,latest,easier,easiest,harder,hardest,dirtier,dirtiest,Listentotheconversationandfillintheblanks.,2a,Oneday,thechildrenwerevisitingafarm.,录音2a-P81,Thebirdissmallerthanthecat.,Thecatissmallerthantheelephant.,Theelephantisthebiggestofall.,1.Thecomparativeandsuperlativedegreesofadjective.形容词比较级、最高级的规则变化及用法。（-er/est）2.Talkingaboutanimalsanddescribingnature.,summary,Homework,