公开课课件・仁爱英语八年级上Unit4 Topic1 SectionA

Unit4OurWorldTopic1Plantsandanimalsareimportanttous.SectionAWhatcanweseeinthecountryside?cowcountrysiden.农村，乡下horsehensheepsomesheepWhatcanweseeinthecountryside?goosesomegeeseWhatcanweseeinthecountryside?mousesomemiceWhatcanweseeinthecountryside?Look,listenandsay(影片1)smallbigThemicearesmallerthanthehens.Thehensaresmallerthanthegeese.Themicearethesmallestofall.Thehensarebiggerthanthemice.Thegeesearebiggerthanthehens.Thegeesearethebiggestofall.smallbigthinTheducksarealittlethinnerthanthegeese.Theducksaremuchthinnerthanthepigs.thinadj.瘦的；薄的；稀的Lilyistall.LucyistallerthanLily.Hanmeiisthetallestofthethree.Hanmeiisshort.LucyisshorterthanHanmei.Lilyistheshortestofthethree.Thefirsthamburgerisbig.Thesecondhamburgerisbiggerthanthefirstone.Thethirdhamburgeristhebiggestofthethree.Thethirdhamburgerissmall.Thesecondhamburgeris______thethirdone.Thefirsthamburgeris_______ofthethree.smallerthanthesmallest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？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—tallest•2以e结尾的单词去e加er/est:wide—wider—widest•3以辅音字母加y结尾的单词，把y改成i,再加er/est:busy—busier—busiest•4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。AdjectivestrongtallnicebravecomparativestrongernicersuperlativestrongestnicestAdjectivebigfatthinlazyuglycomparativebiggerlaziersuperlativebiggestlaziestthinnerthinnestuglierugliestfattertallertallestbraverbravestfattest2bWorkaloneActasdifferentanimalsonthefarmtocontinuetheconversation,usingcomparativeandsuperlativedegreesofadjectivesinthetable.countrysideTheairisfresh.Theskyisblue.Thetreesaregreen.Theriverisclear.It’squietinthecountryside.Theairisdirty.Theriverisdirty.cityThebuildingsaretall.Theroadsarewide.Thetrafficisbusy.It’snoisyinthecity.Theairinthecountrysideis______Theskyinthecountrysideis______Theriverinthecountrysideis______Thetreesinthecountrysideare_______thanthoseinthecity.It’s________inthecountrysidethaninthecity.thanthatinthecity.greenerquieterfresherbluerclearer1aLook,listenandsayWheredoesWangWeiliketolivebetter,acountrysideoracity?（影片2）Listenandfillintheblankswiththecorrectwordsaccordingto1a.•HowdoesWangWeithinkofthecountryside?•WhataboutMichael?•WangWeigoesthereforhissummervacationeveryyear.•WangWeilikesthecountrysideverymuch.Hethinkstheairis_________,theskyis_______andtherearealso_________treesand________riversthere.fresherbluergreenerclearerquieter•Michaelthinksitis__________,too.Andpeoplecanenjoythebeautiesofnaturethere.（录音1）3（影片3）•Makeasurveyingroups.Findouthowmanystudentslikecountrysideandhowmanystudentslikecities.GroupworkSummary•1.Thecomparativeandsuperlativedegreesofadjective.•形容词比较级，最高级的规则变化及用法。（-er/-est）•2.Talkingaboutanimalsanddescribingnature.Homework•Drawapictureofyourhometownandwriteapassageaboutit,usingadjectivesandtheircomparativeandsuperlativedegrees.•Thanksforlistening!•Goodbye!