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Unit4OurWorldTopic1What'sthestrongestanimalonthefarm?SectionAriversky1bListento1aandcheckthewordsyouhear._____fresher_____busier_____bluer_____taller_____bigger_____clearer_____nicer_____quieter_____noisierNow,lookatthepicturesandsaysomethingaboutthecountrysideandthecity.录音1a-P81WangWeilikesthecountrysideverymuchbecausehethinkstheairis_________,theskyis_______andtheriversare________there.Michaelthinksthecountrysideismuch________thanthecity,too,sopeoplecanenjoythebeautiesofnature.WangWeigoestothecountrysideeveryyearforhissummerholiday.fresherbluerclearerquieterListenagainandfillintheblanks.Thenreaditaloud.录音1a-P81所填单词有什么特点？tallertallestbraverbravestfatterfattestthinnerthinnestuglierugliest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:tall—taller—tallest2.以e结尾的单词去e加er/est:wide—wider—widest3.以辅音字母加y结尾的单词，把y改成i,再加er/est:busy—busier—busiest4.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:big—bigger—biggest,(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。多音节词和部分双音节词，在前面加more或most比如，serious，interesting，important，beautiful等等。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______________Lookatthepictureandchoosethecorrectwordforeachanimal.Thenmakeconversationswiththeadjectivesin2b.3horsepigcowcatsheepmousehengooseduckdograbbit(Oneday,theanimalsonthefarmweretalking.)Dog:I’mthestrongestonthisfarm.Rabbit:Idon’tthinkso.Thepigisstrongerthanyou.Dog:Ha!Ha!Heislazierthanme.…