Unit7SectionAGrammarFocus課件人教版七年級(jí)英語(yǔ)下冊(cè)

SectionA(GrammarFocus-4c)學(xué)練優(yōu)八年級(jí)英語(yǔ)下（RJ）教學(xué)課件Unit7What'sthehighestmountianintheworld?LearninggoalsBytheendoftheclass,studentswillbeabletousethecomparativesandsuperlativestomakecomparisons.FactsofQomolangma.1.——How_____isQomolangma?

——Itis8848.86meters_______.3.Qomolangmais______________mountainintheworld.2.Qomolangmais_______thananyothermountainintheworld.highhigherhighhighesttheGrammarFocusReadandtranslateWhat’sthehighestmountainintheworld?Qormolangma.HowhighisQomolangma?It’s8,844.43metershigh.It’shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlakes.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.It’smucholderthantheUS.Findthecomparativesandsuperlatives.此句型用比較級(jí)表達(dá)最高級(jí)含義GrammarRevision形容詞和副詞通常有三種級(jí)別：原級(jí)（Positiveform）：沒(méi)有比較含義，“……”；比較級(jí)（Comparativeform）：兩者間比較，“更……”；最高級(jí)（Superlativeform）：三者及三者以上比較，“最……”。注意：形容詞最高級(jí)前面的the一般不省略，而副詞最高級(jí)前的the可以省略。一、比較級(jí)和最高級(jí)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(gè)輔音字母結(jié)尾的，雙寫(xiě)這個(gè)輔音字母后加-er或-est在單詞前加more構(gòu)成比較級(jí)，加most構(gòu)成最高級(jí)long→longer→longestnice→nicer→nicestheavy→heavier→heaviestbig→bigger→biggestbeautiful→morebeautiful→mostbeautiful2.不規(guī)則變化原級(jí)比較級(jí)最高級(jí)good/wellbetterbestmany/muchmoremostbad/badlyworseworstlittlelessleastfarfarther/furtherfarthest/furthest基本結(jié)構(gòu)有兩個(gè)1：A+be+形容詞比較級(jí)+than+BChinaisolderthantheUS.

2:A+實(shí)義動(dòng)詞+副詞比較級(jí)+than+BHerunsfasterthanme.比較級(jí)常見(jiàn)句式還有：1.比較級(jí)+thananyother+比較對(duì)象（單數(shù)）比其他任何一個(gè)都要--，表示最高級(jí)的意義，可與最高級(jí)句型轉(zhuǎn)換。Qomolangmaishigherthananyothermountainintheworld.=Qomolangmaisthehighestmountainintheworld.2.the+比較級(jí)，the+比較級(jí)，越---就越---Theharderyouwork,theluckieryouwillbe.二、比較級(jí)的用法3.比較級(jí)+and+比較級(jí)

越來(lái)越----Ourcountrywillbestrongerandstronger.Ourcityisbecomingmoreandmorebeautiful.補(bǔ)充：as+原級(jí)+as與---一樣，notso/as---as---不及Thisstoryisnotas/sointerestiongasthatone.可用于修飾形容詞和副詞比較級(jí)的詞（短語(yǔ)）有：much,alot

,alittle,abit,even,far等。(兩多兩少一甚至，還有一個(gè)遠(yuǎn)去了。）1.主語(yǔ)+be/實(shí)義動(dòng)詞+（the+）最高級(jí)+in/of短語(yǔ)該結(jié)構(gòu)意為“……中最……的”。JayisthemostpopularinChina.Suruns(the)fastestinChina.2.oneofthe+最高級(jí)+可數(shù)名詞復(fù)數(shù)+in/of短語(yǔ)該結(jié)構(gòu)意為“……中最……的……之一”，該結(jié)構(gòu)做主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞用單數(shù)。Shanghaiisoneofthebiggestcitiesintheworld.of與in都有“在......當(dāng)中”的意思。主語(yǔ)同of后面的詞是指同一類的人或物。而in的后面是范圍。三、最高級(jí)的用法3.the+序數(shù)詞+最高級(jí)+可數(shù)名詞單數(shù)+in/of短語(yǔ)該結(jié)構(gòu)意為“……在……中是第幾……的……”（從第二開(kāi)始）。TheYellowRiveristhesecondlongestriverinChina.4.Which/Who…+最高級(jí),A,BorC?該結(jié)構(gòu)意為“A，B，C中，哪個(gè)/誰(shuí)最……？”。Whichisthelongestriver,theNile,theAmazonortheYangtze?4aFillintheblankswiththecorrectformsofthewordsinthebox.1.TheAmazonRiverisoneofthe_________riversintheworld.It’salittle________thantheYangtzeRiver.2.Qomolangmais8,844.43meters_______.It’soneofthemost__________placesforseriousmountainclimbers.3.Nooceanintheworldisas________asthePacificOcean.4.AlthoughJapanis_______thanCanada,itis________smaller.bigmuchpopularlongoldhighlongestlongerhighpopularbigoldermuch

太平洋

n.大海，海洋4bWritetwocomparisonsabouttwotopics.Writetruefacts.e.g.Tworivers:theYangtzeRiverandtheAmazonRiverTheYangtzeRiverisalmostaslongastheAmazonRiver.TheAmazonislongerthantheYangtze,buttheYangtzeisthelongestriverinChina.comparisonFuyangHefeipopulation8,170,0009,460,000size9,775squarekilometers11,445squarekilometersFuyangHefeiThepopulationofFuyangissmallerthanthatof

Hefei

HefeiisbiggerthanFuyanginsize.

theelephantthelionheight:about4metersspeed:40km/hheight:about1.5metersspeed:60km/hTheelephantistallerthanthelion.Thelionrunsfasterthantheelephant

.InFuyangWildAnimalZoo,youcanseethesewildanimals.Itisawoderfulplacetovisit.Howmuchdoyouknowaboutourhometown—Fuyang？HuarunTowers——thehighestbuildinginFuyangFuyangScienceandTechnologyMuseun——oneofthemostinterestingplacestovisitHowmuchdoyouknowaboutourhometown—Fuyang？XinhuaBookstore——thelargestbookstoreinFuyangYingRiver——thelongestriverinFuyangHowmuchdoyouknowaboutourhometown—Fuyang？YingzhouWestLake——oneofthemostbeautifulplacesFuyangEcologicalPark——oneofthemostbeautifulplacestovisit4cWritefivequestionsusingcomparisons.Thenaskyourpartneryourquestions.1._____________________________________________________2._____________________________________________________3.____________________________________________________4.___________________________________________________5.____________________________________________________Whatisthehighestbuildinginourcity?Whatisthethebiggestbookstoreinourcity?Whichisthelongestriverinourcity?------Whatisthehighestbuildinginourcity?It’sHuarunTowers.Itis240metershigh.----?----.Exercises一、單項(xiàng)選擇。1.Chinahasa______populationthanAmerica.A.more B.muchmore C.muchlarge D.muchlarger2.Beijingisoneof_____inChina.A.morefamouscity B.mostfamouscitiesC.themostfamouscities D.muchmorefamouscity3.Chinaisthethird_____countryintheworld.A.large B.largest C.larger D.aslargeasDCB4.Stayingwithfamiliesandfriendsinourfreetimeisoneof_____things.A.thehappiestB.happierC.thehappyD.happiest5.Qomolangmaishigherthan_____intheworld.A.theothermountain B.anothermountain C.anyothermountain D.anymountains6.—Ithinkhistoryismoreusefulthanphysics.—Inmyopinion,historyis______physics.Theyarebothimportant.A.asusefulas