Unit7SectionAGrammar課件人教版八年級英語下冊

Unit7

SectionA

Grammar1.世界上哪座山最高？What’sthe_______mountainintheworld?2.珠穆朗瑪峰最高。Qomolangma.3.珠穆朗瑪峰多高？____________isQomolangma?4.它高8,844.43米。它比任何一座山都高。It’s8,844.43meters_____.It’s_______than____________mountain.highestHowhighhighhigheranyotherRevision5.世界上哪一個咸水湖最深？Whichisthe_________saltlakeintheworld?6.在所有的咸水湖中里海最深TheCaspianSeaisthe___________________thesaltlakes.7.你知道中國是世界上最古老的國家之一嗎?DidyouknowthatChinaisoneofthe______________intheworld.

8.是的。它比美國歷史悠久的多。Yes,Idid.It’s_______________thantheUS.deepestdeepestof

alloldest

countriesmucholderObserveandlearnP528848.861532.7Whichmountainishigher,QomolangmaorMountTai?QomolangmaishigherthanMountTai.Qomolangmaishigherthananyothermountainintheworld.Qomolangmaisthehighestmountainintheworld.比較級最高級Adj&AdvRevisionFilltheblankswithcomparative.1.Whichboyis_________(tall),JackorMartin?2.Thankstoyourmedicine,Ifeel_______(good)thanyesterday.3.Thisdressis________________(expensive)thanthatone.4.Maryran_____________(quickly)thanme.5.Youlook_____________(excited)thanTom.6.You’vehadacold,putyourcoat,oryou’llget________(bad)tallerbettermoreexpensivemorequicklymoreexcitedworseFilltheblankswithsuperlative.1.Whichboyis_________(tall),Jack,TomorMartin?2.Ithinkmymomis__________(good)motherintheworld.3.Maryis___________________(beautiful)girlofallthegirls.4.Maryis___________________(excited)oneintheoffice.5.Itwas__________(bad)dayinmywholelife.6.TheYellowRiverisoneof_____________(long)riversinChina.thetallestthebestthemostbeautifulthemostexcitedtheworstthelongest一、比較級和最高級的構(gòu)成1.規(guī)則變化單音節(jié)和部分雙音節(jié)詞多音節(jié)詞和部分雙音節(jié)詞一般在詞尾直接加er或-est以e結(jié)尾的，加-r或-st以“輔音字母+y”結(jié)尾的，改y為i加-er或-est重讀閉音節(jié)以一個輔音字母結(jié)尾的，雙寫這個輔音字母后加-er或-est在單詞前加more構(gòu)成比較級，加most構(gòu)成最高級long→longer→longestnice→nicer→nicestheavy→heavier→heaviestbig→bigger→biggestbeautiful→morebeautiful→mostbeautiful形容詞和副詞比較級和最高級的規(guī)則變化1.clever-cleverer-thecleverest2.big-bigger-thebiggest3.happy-happier-thehappiest4.nice-nicer-thenicest5.beautiful-more/lessbeautiful-themost/leastbeautiful直接在詞尾加-er或-est重讀閉音節(jié)，雙寫再加-er/-est以y結(jié)尾，去y改i，再加-er/-est以e結(jié)尾，直接加-r/-st多音節(jié)形容詞則需要在形容詞前加more或themost形容詞和副詞比較級和最高級的不規(guī)則變化good/well–better–bestbad/badly–worse–worstmany/much–more–mostlittle–less–leastfar–farther/further–farthest/furthest更遠的更進一步的，更深層次的Selfcheck1.Completethechart.AdjectivesComparativesSuperlativeshighdangerouslongpopularhigherhighestmoredangerousthemostdangerouslongerlongestmorepopularthemostpopularP56比較級的特殊用法Qomolangmaishigherthananyothermountainintheworld.=Qomolangmaishigherthanalltheothermountainsintheworld.=Qomolangmaisthehighestmountainintheworld.用比較級表達最高級主+謂+形容詞或副詞比較級+than+anyother+名詞單數(shù)主+謂+形容詞或副詞比較級+than+(all)theother+名詞復(fù)數(shù)thinfatTheyarefatterthantheyusedtobe.Theyaregettingfatterandfatter.比較級and比較級：越來越。。。Themoretheyeat,thefattertheywillbe.the+比較級+（名詞）+主+謂，the+比較級+（名詞）+主+謂。越。。。，就越。。。8848.861532.7QomolangmaishigherthanMountTai.Qomolangmaismuch/alothigherthanMountTai.QomolangmaismanytimeshigherthanMountTai.表達程度幾倍主+謂+程度副詞(alot,much,quite,alittle,abit)+比較級+than+其他主+謂+基數(shù)詞/many+times+比較級+than+其他最高級的特殊用法1.（the+）最高級+in/of短語該結(jié)構(gòu)意為“……中最……的”。Ithinkspringisthebesttimeofayear.Tomworks(the)hardestinClass3.2.oneofthe+最高級+可數(shù)名詞復(fù)數(shù)+in/of短語該結(jié)構(gòu)意為“……中最……的……之一”。Hangzhouisoneofthemostbeautifulcitiesintheworld.of與in都有“在......當中”的意思。但它們有嚴格的區(qū)別。用of的時候,主語同of后面的詞是指同一類的人或物。而用in的時候,主語同in后面的詞是指不同類的人或物。二、最高級的用法3.the+序數(shù)詞+最高級+可數(shù)名詞單數(shù)+in/of短語該結(jié)構(gòu)意為“……在……中是第幾……的……”（從第二開始）。Chinaisthethirdlargestcountryintheworld.4.Which/Who…+最高級,A,BorC?該結(jié)構(gòu)意為“A，B，C中，哪個/誰最……？”。Whichisthebiggest,Beijing,ShanghaiorGuangzhou?【特別提醒】(1)最高級前有物主代詞、名詞所有格等修飾時，其前不加the。TheYangtzeRiverisChina’slongestriver.(2)當most表示“非?！睍r，其前不加the。Itisamostusefulbook.形容詞和副詞的最高級構(gòu)成規(guī)則變化不規(guī)則變化加后綴-est前面加most用法(the+)最高級+in/of短語oneofthe+最高級+可數(shù)名詞復(fù)+in/of短語the+序數(shù)詞+最高級+可數(shù)名詞單+in/of短語Which/Who…+最高級,A,BorC?【特別提醒】最高級前有物主代詞、名詞所有格等修飾時，其前不加the。當most表示“非常”時，其前不加the。Summary形容詞和副詞的比較級構(gòu)成規(guī)則變化不規(guī)則變化加后綴-er前面加more比較級表示最高級比較級+thananyother+可數(shù)名詞單數(shù)比較級+thantheother+可數(shù)名詞復(fù)數(shù)可用于修飾形容詞和副詞比較級程度的副詞（短語）有：much,alittle,even,alot,abit,far等。形容詞和副詞的原級as+形容詞/副詞原級+as表示雙方在程度、性質(zhì)、特征等方面一樣。Summary1.TheAmazonRiverisoneofthe_________riversintheworld.It’salittle________thantheYangtzeRiver.2.Qomolangmais8,844.43meters_______.It’soneofthemost__________placesforseriousmountainclimbers.3.Nooceanintheworldisas________asthePacificOcean.4.AlthoughJapanis_______thanCanada,itis________smaller.Fillintheblankswiththecorrectformsofthewordsinthebox.4abigmuchpopularlongoldhighlongestlongerhighpopularbigoldermuch

太平洋

n.大海，海洋Fillintheblankswiththecorrectformsofthewordsinthebox.1.TheAmazonRiverisoneofthe_________riversintheworld.It’salittle________thantheYangtzeRiver.2.Qomolangmais8,844.43meters_______.It’soneofthemost__________placesforseriousmountainclimbers.3.Nooceanintheworldisas________asthePacificOcean.4.AlthoughJapanis__________thanCanada,itis _________smaller.bigmuchpopularlongoldhighlongestlongerhighpopularbigoldermuchWritetwocomparisonsabouttwotopics.Writetruefacts.Tworivers:_________________and________________________________________________________________________________________________________________________________________________________________________________________________________________TheYangtzeRiverisalmostaslongastheAmazonRiver.TheAmazonislongerthantheYangtze,buttheYangtzeisthelongestriverinChina.theYangtzeRivertheAmazonRiverTwocities:__________and___________1._______________________________2.______________________________________________________________Twoanimals:________and________1._______________________________2.______________________________________________________________策略：可以比較城市的面積、人口、歷史等策略：可以比較動物的身高(身長)、體重、奔跑速度、外貌特征以及壽命等ElephantShanghaiisbiggerthanHongKongandithasalargerpopulationthanHongKong.HongKongisasmodernasShanghai.HongKongShanghaiTwocities:__________and___________1._______________________________2._______________________________Twoanimals:________and________1._______________________________2._______________________________香港上海香港和上海一樣現(xiàn)代化。上海比香港大，而且它的人口比香港多。LionAnelephantisbiggerthanalion.Alionissmarterthananelephant,butitrunsfasterthananelephant.大象獅子一頭大象比一只獅子大。一只獅子比一頭大象小，但是它比大象跑得快。策略：可以比較城市的面積、人口、歷史等策略：可以比較動物的身高(身長)、體重、奔跑速度、外貌特征以及壽命等Writefivequestionsusingcomparisons.Thenaskyourpartneryourquestions.1._________________________________2._________________________________3._________________________________4._________________________________5._________________________________Whatisthehighestbuildinginourcity?Whatisthebusiestsubwaystationinourcity?Whatisthelargestshoppingmallinourcity?Whichisthebiggestparkinourcity?Whichisthelongestroadinourcity?()1.—Whatis_____animalonland?

—Itistheelephant.A.larger

B.thelargest

C.smaller

D.thesmallest()2.Thisfilmis_____forustoseethanthatone.A.muchinteresting

B.muchmoreinterestingC.interesting

D.moremuchinteresting()3.—Manyboystudentsthinkmathsis_____English.—Iagree.I'mweakinEnglish.A.muchdifficultthan

B.sodifficultasC.lessdifficultthan

D.moredifficultthanBBC()4.Wehavea_____holidayeveryNationalDay.A.7day

B.7-day

C.7-days

D.7days()5.Canadais_____countryintheworld.A.thesecondlargest

B.secondlargestC.thesecondlarge

D.secondlarge()6.Fishingisoneof_____activitiesamongthemiddle-agedpeople.A.popular

B.morepopular

C.mostpopular

D.themostpopularBAD()7.Chinahasa_____populationthanEngland.A.larger

B.smaller

C.much

D.more()8.Shanghaiisoneof_____inChina.A.bigcity

B.biggercities

C.thebiggestcity

D.thebiggestcities()9.—Whichmonthhas_____daysinayear?—February.A.few

B.little

C.theleast

D.thefewestADC()10.ThepopulationofChinais_____than_____countryintheworld.A.muchlarger;any

B.large;anyotherC.muchlarger;anyother

D.larger;theother()11.The_____youworkatyourlessons,the_____resultsyouwillget.A.hard;good

B.harder;good

C.hard;better

D.harder;better()12.Thisisan_____boy.Thedoctorsuggestshe_____moreexercise,forhelookssoweak.A.8yearsold;doing

B.8-year-old;doC.8yearold;shoulddo

D.8-years-old;doesCDD()13.Tinaisas_____ashersister,Tara.A.outgoing

B.moreoutgoing

C.themostoutgoing()14.—Royneverlikesjunkfood.—NeitherdoI.That'sprobablywhyI'mbecoming_____now.A.healthyandhealthy

B.moreandmorehealthilyC.weakerandweaker

D.healthierandhealthier()15.—Areyousatisfiedwiththeresultofthecompetition?—Not,notatall.Ican'thave______.A.abetterone?

B.theworstone?

C.aworseoneADC()16.Itwasahundredtimes_____thanI'dexpected.A.fun

B.morefun

C.themostfun

D.funny()17.Peteris_____outgoingthanhisbrother.A.alittle

B.much

C.alittlemore()18._____themountainis,_____theairis.A.Thehighest;thethinnestB.Higher;thinnerC.Thehigher;thethinnerBCC

3.LinTaois__________________________intheclassbecausehenevergetstoschoolontime.（最懶的學生之一）4.Edisonwas_________________________i