八年级英语上册unit 4 Topic 1.ppt

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1、Unit4OurWorldTopic1Plantsandanimalsareimportanttous.SectionAWhatcanweseeinthecountryside?cowcountrysiden.农村，乡下horsehensheepsomesheepWhatcanweseeinthecountryside?goosesomegeeseWhatcanweseeinthecountryside?mousesomemiceWhatcanweseeinthecountryside?Look,listenand

2、say(影片1)smallbigThemicearesmallerthanthehens.Thehensaresmallerthanthegeese.Themicearethesmallestofall.<<>>Thehensarebiggerthanthemice.Thegeesearebiggerthanthehens.Thegeesearethebiggestofall.smallbigthinTheducksarealittlethinnerthanthegeese.

3、erthanthepigs.

4、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。Adjectivestr

5、ongtallnicebraveComparativestrongernicerSuperlativestrongestnicestAdjectivebigfatthinlazyuglyComparativebiggerlazierSuperlativebiggestlaziestthinnerthinnestuglierugliestfattertallertallestbraverbravestfattest2bWorkaloneActasdifferentanimalsonthefarmtocontinueth

6、econversation,usingcomparativeandsuperlativedegreesofadjectivesinthetable.PairworkcountrysideTheairisfresh.Theskyisblue.Thetreesaregreen.Theriverisclear.It’squietinthecountryside.Theairisdirty.Theriverisdirty.cityThebuildingsaretall.Theroadsarewide.Thetrafficis

7、busy.It’snoisyinthecity.Theairinthecountrysideis______Theskyinthecountrysideis______Theriverinthecountrysideis______Thetreesinthecountrysideare_______thanthoseinthecity.It’s________inthecountrysidethaninthecity.thanthatinthecity.greenerquieterfresherbluercleare

8、r1aLook,listenandsayWheredoesWangWeiliketolivebetter,acountrysideoracity?（影片2）Listenandfillintheblankswiththecorrectwordsaccordingto1a.HowdoesWangWeithinkofthecountryside?Wh