仁爱版英语八年级上册Unit4 Topic1 SectionA课件

Unit4OurworldTopic1What’sthestrongestanimalonthefarm?SectionAAnimalsonthefarmapigacowahorsearabbitahenacatadogaduckasheepagooseamousefoursheeptwogeesefivemiceAttentionsmallsmallersmallestCompareLearnTogetherThedogsaresmall.Thecatsaresmaller.Themicearethesmallest.cowcountrysiden.农村，乡下horsehenWhatcanweseeinthecountryside?sheepsomesheepWhatcanweseeinthecountryside?goosesomegeeseWhatcanweseeinthecountryside?mousesomemiceWhatcanweseeinthecountryside?Doyouliketheseanimals?Yes,Ido.Canyouseetheminthecities?No,Ican’t.Wheredoyouwanttolive?Iwanttolivein…DoesWangWeilikethecountrysideorthecity?Now,watchtheflashof1a,andfindouttheanswer.1a1bListento1aandcheckthewordsyouhear._____fresher_____busier_____bluer_____taller_____bigger_____clearer_____nicer_____quieter_____noisierNow,lookatthepicturesandsaysomethingaboutthecountrysideandthecity.countrysideTheairisfresh.Theskyisblue.Thetreesaregreen.Theriverisclear.It’squietinthecountryside.Theairisdirty.Theriverisdirty.cityThebuildingsaretall.Theroadsarewide.Thetrafficisbusy.It’snoisyinthecity.Theairinthecountrysideis______Theskyinthecountrysideis______Theriverinthecountrysideis______Thetreesinthecountrysideare_______thanthoseinthecity.It’s________inthecountrysidethaninthecity.thanthatinthecity.greenerquieterfresherbluerclearerWangWeilikesthecountrysideverymuchbecausehethinkstheairis_________,theskyis_______andtheriversare________there.Michaelthinksthecountrysideismuch________thanthecity,too,sopeoplecanenjoythebeautiesofnature.WangWeigoestothecountrysideeveryyearforhissummerholiday.fresherbluerclearerquieter1cListenagainandfillintheblanks.Thenreaditaloud.所填单词有什么特点？Listentotheconversationandfillintheblanks.2aOneday,thechildrenwerevisitingafarm.Answersto2a:tallerstrongershorternicercuterbetterLet’stalkabouttheotheranimalsonthefarm.smallbigThemicearesmallerthanthehens.Thehensaresmallerthanthegeese.Themicearethesmallestofall.Thehensarebiggerthanthemice.Thegeesearebiggerthanthehens.Thegeesearethebiggestofall.smallbigthinTheducksarealittlethinnerthanthegeese.Theducksaremuchthinnerthanthepigs.thinadj.瘦的；薄的；稀的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。AdjectivestrongtallnicebraveComparativestrongernicerSuperlativestrongestnicestAdjectivebigfatthinlazyuglyComparativebiggerlazierSuperlativebiggestlaziest下列形容词比较级和最高级变化有什么规律？2b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。AdjectivestrongtallnicebraveComparativestrongernicerSuperlativestrongestnicestAdjectivebigfatthinlazyuglyComparativebiggerlazierSuperlativebiggestlaziest下列形容词比较级和最高级变化有什么规律？tallertallestbraverbravestfatterfattestthinnerthinnestuglierugliest2b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.…1.Thecomparativeandsuperlativedegreesofadjective.形容词比较级、最高级的规则变化及用法。（-er/est）2.Talkingaboutanimalsanddescribingnature.