仁愛(ài)版八年級(jí)上課件：Unit-4-Topic-1-Section-A

Unit4OurWorldTopic1Whichdoyoulikebetter,plantsoranimals?SectionA學(xué)習(xí)目標(biāo)學(xué)習(xí)單音節(jié)和部分雙音節(jié)形容詞比較級(jí)和最高級(jí)的構(gòu)成和用法對(duì)城市和農(nóng)村的環(huán)境進(jìn)行比較cowcountrysiden.農(nóng)村，鄉(xiāng)下horsehen設(shè)疑自探：Whatcanweseeinthecountryside?sheepsomesheepWhatcanweseeinthecountryside?goosesomegeeseWhatcanweseeinthecountryside?mousesomemiceWhatcanweseeinthecountryside?

解疑合探:DoesWangWeilikethecountrysideorthecity?Now,watchtheflashof1a,andfindouttheanswer.視頻1a-P811a1bListento1aandcheckthewordsyouhear._____fresher_____busier_____bluer_____taller_____bigger_____clearer

_____nicer_____quieter_____noisierNow,lookatthepicturesandsaysomethingaboutthecountrysideandthecity.錄音1a-P81countrysideTheairisfresh.Theskyisblue.Thetreesaregreen.Theriverisclear.It’squietinthecountryside.Theairisdirty.Theriverisdirty.cityThebuildingsaretall.Theroadsarewide.Thetrafficisbusy.It’snoisyinthecity.Theairinthecountryside

is______Theskyinthecountryside

is______Theriverinthecountryside

is______Thetreesinthecountrysideare_______thanthose

inthecity.

It’s________inthecountrysidethaninthecity.thanthatinthecity.

greenerquieterfresherbluerclearerWangWeilikesthecountrysideverymuchbecausehethinkstheairis_________,theskyis_______andtheriversare________there.Michaelthinksthecountrysideismuch________thanthecity,too,sopeoplecanenjoythebeautiesofnature.WangWeigoestothecountrysideeveryyearforhissummerholiday.fresherbluerclearer

quieterListenagainandfillintheblanks.Thenreaditaloud.所填單詞有什么特點(diǎn)？單音節(jié)及部分雙音節(jié)形容詞比較級(jí)（-er）和最高級(jí)

（-est）的規(guī)則變化。AdjectivestrongtallnicebraveComparativestrongernicerSuperlativestrongestnicestAdjectivebigfatthinlazyuglyComparativebiggerlazierSuperlativebiggestlaziest下列形容詞比較級(jí)和最高級(jí)變化有什么規(guī)律？2b單音節(jié)及部分雙音節(jié)形容詞比較級(jí)（-er）和最高級(jí)（-est）的規(guī)則變化。1.一般在詞尾直接加er/est:tall—taller—tallest2.以e結(jié)尾的單詞去e加er/est:wide—wider—widest3.以輔音字母加y結(jié)尾的單詞，把y改成i,再加

er/est:busy—busier—busiest以重讀閉音節(jié)結(jié)尾，且末尾只有一個(gè)輔音字母的單詞，雙寫(xiě)末尾的輔音字母，再加er/est:big—bigger—biggest,(fat,thin,red,hot)單音節(jié)及部分雙音節(jié)形容詞比較級(jí)（-er）和最高級(jí)（-est）的規(guī)則變化。AdjectivestrongtallnicebraveComparativestrongernicerSuperlativestrongestnicestAdjectivebigfatthinlazyuglyComparativebiggerlazierSuperlativebiggestlaziest下列形容詞比較級(jí)和最高級(jí)變化有什么規(guī)律？

taller

tallest

braverbravest

fatterfattestthinnerthinnest

uglierugliest2bListentotheconversationandfillintheblanks.2aOneday,thechildrenwerevisitingafarm.錄音2a-P81smallbigThemicearesmallerthanthehens.Thehensaresmallerthanthegeese.Themice

arethesmallest

ofall.<<？？>>Thehens

arebiggerthan

themice.Thegeese

arebiggerthan

thehens.Thegeese

arethebiggest

ofall.smallbig？？thinTheducksarealittlethinnerthanthegeese.<Theducksaremuchthinnerthanthepigs.<？thinadj.瘦的；薄的；稀的質(zhì)疑再探對(duì)于本節(jié)你還有那些疑問(wèn)運(yùn)用拓展：寫(xiě)出下列形容詞的比較級(jí)和最高級(jí)。short______________small_____________large_______________late______________happy______________easy_______________hot_______________hard_______________cute________________