Unit4Topic1SectionA課件八年級英語上冊

學(xué)習(xí)目標(biāo)一、掌握以下單詞和短語：sky,river,clear,nature,horse,sheep,hen,cow,thin,thinkabout,livein等。二、能掌握形容詞的比較級和最高級的變化規(guī)律。三、能用比較級描述城鄉(xiāng)差異。Itusedtobedirtyandpoor.Didyougotothecountrysidebefore?Butnowitisdifferent!Theskyisblue.Theairisfresh.Thetreesaregreen.Theriverisclear.It’squietinthecountryside.Wecanenjoythebeautyofnatureinthecountryside.Whatanimalscanweseeinthecountryside?agoosesomegeeseamousesomemiceWhatanimalscanweseeinthecountryside?smallsmallersmallestWhatanimalscanweseeinthecountryside?henbigbiggerbiggestWhatanimalscanweseeinthecountryside?sheepstrongcowstrongerstrongesthorsestrongstrongerstrongest原級比較級最高級bigbiggerbiggestsmallsmallersmallest原級比較級最高級smallsmallestsmallershortershortestshort1.一般在詞尾加-er或-estnicenicestnicerlaterlatestlate2.以不發(fā)音字母e結(jié)尾的詞加-r或-stp124原級比較級最高級heavyheaviestheaviereasiereasiesteasy3.以輔音字母+y結(jié)尾的詞，變y為i再加-er,或-estbigbiggestbiggerhotterhottesthot4.以重讀閉音節(jié)結(jié)尾的詞末尾只有一個輔音字母應(yīng)雙寫輔音字母再加-er或-estdeliciousmoredeliciousmostdeliciousinterestingmoreinterestingmostinteresting5.多音節(jié)詞和部分雙音節(jié)詞在其前面加more和most

構(gòu)成方法原級比較級最高級單音節(jié)詞和少數(shù)多音節(jié)詞一般在詞尾加-er或-estcoldcoldercoldest以字母e結(jié)尾的，加-r或-stlargelargerlargest重讀閉音節(jié)詞只有一個輔音字母時，應(yīng)先雙寫輔音字母；再加-es或-estbigbiggerbiggest輔音字母+y結(jié)尾的變y為i,再加-er或-esteasyeasiereasiest多音節(jié)詞和部分雙音節(jié)詞在詞前加more或mostcarefulmorecarefulmostcareful寫出以下形容詞的比較級形式thin_____ wide_____ young_____happy_____ fat_____ expensive_____large_____ big_____ busy_____late_____ early_____ interesting_____thinnerwideryoungerhappierfattermoreexpensivelargerbiggerbusierlaterearliermoreinteresting2bAdjectivestrongtallnicebraveComparativestrongernicerSuperlativestrongestnicesttallestbraver

tallerbravestAdjectivebigfatthinlazyuglyComparativebiggerlazierSuperlativebiggestlaziestfatterfattestthinnerthinnestuglierugliest原級比較級最高級good好的

well好地bad壞的

badly壞地ill壞的many/much多l(xiāng)ittle少的faroldbetter更好best最好worse更壞；更差worst最壞；最差less更少more更多most最少farther較遠(yuǎn)further進(jìn)一步least最少farthest最遠(yuǎn)furthest最大程度p125older較老的/較舊的elder年長的oldest最老的/最舊的；最年長的eldest最年長的countrysidecity1bListento1aandcheckthewordsyouhear._____fresher_____busier_____bluer_____taller_____bigger_____clearer

_____nicer_____quieter_____noisier1cListenandfillintheblanks.Thenreaditaloud.WangWeilikesthecountrysideverymuchbecausehethinkstheairis_________,theskyis_______andtheriversare________there.Michaelthinksthecountrysideismuch________thanthecity,too,sopeoplecanenjoythebeautyofnature.WangWeigoestothecountrysideeveryyearforhissummerholiday.fresherbluerclearerquieterfresherInthecountrysideinthecity—Whichairisfresher?—Theairinthecountrysideisfresher.Inthecountrysideinthecity—Whichskyisbluer?—Theskyinthecountrysideisbluer.bluerInthecountrysideinthecityclearer—Whichriverisclearer?—Theriverinthecountrysideisclearer.Inthecountrysideinthecityquieter—Whichisquieter?—Thecountrysideisquieter.Watchandunderstand.Michael:Hey,WangWei,whatareyouthinkingabout?WangWei:Oh,I'mthinkingaboutlifeinthecountryside.Michael:Doyoulikethecountryside?WangWei:Yes,Ilikeitverymuchbecausetheairisfresher,theskyisbluerandtheriversareclearerthere.Michael:Ithinkthecountrysideismuchquieterthanthecity,too.Peoplecanenjoythebeautyofnaturethere.WangWei:MygrandmalivesinthecountrysideandIgothereformysummerholidayeveryyear.Michael:Thatmustbefun!Readandunderstand.Keypointsthinkof想起thinkabout思考mustbe一定是can’tbe不可能是Michael:Hey,WangWei,whatareyouthinkingabout?WangWei:Oh,I'mthinkingaboutlifeinthecountryside.Michael:Doyoulikethecountryside?WangWei:Yes,Ilikeitverymuchbecausetheairisfresher,theskyisbluerandtheriversareclearerthere.Michael:Ithinkthecountrysideismuchquieterthanthecity,too.Peoplecanenjoythebeautyofnaturethere.WangWei:MygrandmalivesinthecountrysideandIgothereformysummerholidayeveryyear.Michael:Thatmustbefun!Keypoints形容詞比較級的常用句型(兩者之間)比較1.比較級+than…2.倍數(shù)+比較級+than....注意1：比較級前可加even(更加)much(……得多),alot(大量),alittle(…一點(diǎn)),abit(一點(diǎn))，表示比較的程度。比較級不能用very,so,too,quite等修飾。注意2：比較時常用that和those來代替名詞。TheweatherinSanyaishotterthanthatinBeijing.Thiscakeismoredeliciousthanthatone.Thisgardenis9timeslargerthanthatone.看圖說話：big—biggerThegreenappleisbiggerthantheredone.Thegreenappleisalittlebiggerthantheredone.看圖說話：big—biggerThegreenappleismuchbiggerthantheredone.大得多看圖說話：tall—tallerTheboyistallerthanthegirl.Theboyisalittletallerthanthegirl.看圖說話：tall—tallerTheboyistallerthanthegirl.Theboyismuchtallerthanthegirl.2aListentotheconversationandfillintheblanks.Yukio:Kangkang,what’sthestrongestanimalsonthefarm?Kangkang:Horses.Ithinkthe______horseoverthereis________thanthe_______horses.Sally:Ithinkthesheeparethenicestofall.Helen:ButIthinkthiscatis______.Heletsmeholdhim.Yukio:Thepigsmustbethefattestandlaziestanimalsonthefarm.Whatdoyouthink,Sally?Sally:ButIthinkthepigsare_______.Look!Theyareswimmingandchattingwiththehensandducks.Kangkang:Thecatisrunningafteramouseandthedogisplayingwiththerabbit.Helen:Look!Thecowsandthesheepareeating.Alltheanimalsarelivinga_______lifeonthefarm.tallerstrongershorternicercuterbetterKeypoints形容詞最高級(三者及以上之間)比較the+最高級....of/in/among...注意1：最高級前需要加the注意2：最高級一般用of或in來表示范圍ShanghaiisthelargestcityinChinaThegirlwithredhairisthetallest

inourclass.Exercises1.湯姆比杰克高。

TomistallerthanJack.2.這只箱子要比那只箱子大。

Thisboxisbiggerthanthatone.3.那些蘋果比這些大。

Thoseapplesarebiggerthantheseones.4.今天是一年中最熱的一天。

Todayisthehottestdayoftheyear.5.他的房間是三個中最干凈的一個。

Hisroomisthecleanestofthethree.3Lookatthepictureandchoosethecorrectwordforeachanimal.Thenmakeconversationswiththeadjectivesin2b.horsepigcowcatsheepmousehengooseduckdograbbit(Oneday,theanimalsonthefarmweretalking.)Dog:I’mthestrongestonthisfarm.Rabbit:Idon’tthinkso.Thepigisstrongerthanyou.Dog:Ha!Ha!Heislazierthanme.…Exercises1.-Jack，doyouthinktimeismoney?-Yes，butIthinkitis___money.A.noimportantas B.notimportantas

C.moreimportantthan D.muchimportantthan2.Ittakesalongtimetobytrain，it's____thanbyboat.

A.quick B.thequickest C.muchquick D.quicker3.—Whichseasondoyoulike___，winterorsummer?—Summer.

A.well B.better C.best D.thebest4.HisEnglishisperfect.NoonespeaksEnglish____him.

A.asbeautifulasB.asbadlyas C.worsethanD.betterthanMichael:Hey,WangWei,whatareyou______________?WangWei:Oh,I'mthinkingaboutlife_____________________.Michael:Doyoulikethecountryside?WangWei:Yes,Ilikeitverymuchbecausetheairis______,theskyis______

andtheriversare_______there.Michael:Ithinkthecountrysideis_________________thecity,too.Peoplecanenjoy___________ofnaturethere.WangWei:MygrandmalivesinthecountrysideandIgothereformysummerholidayeveryyear.Michael:That________fun!Retell.thinkingaboutinthecountrysidefresherbluerclearermuchquieterthanthebeautymustbeMichael:Hey,WangWei,___________________________?WangWei:Oh,I'mthinkingaboutlifeinthecountryside