Unit7SectionAgrammar課件-人教版英語八年級下冊

Unit7What’sthehighestmountainintheworldSectionAGrammarFocusTranslatethefollowingsentences.1.長江大約長6,300千米。TheYangtzeRiver/TheChangjiangRiverisabout6,300kilometerslong.2.黃河長5,464千米。TheYellowRiveris5,464kilometerslong.3.明長城大約8,850千米長。TheMingGreatWallisabout8,850kilometerslong.4.珠穆朗瑪峰高8,844.43米。Qomolangmais8,848.86metershigh.5.那個籃球運(yùn)動員有兩米高。6.那條河只有兩米深/寬。7.這棵樹有三米高。8.這個箱子大約有兩米高/寬/長。Thebasketballplayeristwometerstall.Theriverisonlytwometersdeep/wide.Thetreeisthreemeterstall.Theboxisabouttwometershigh/wide/long.What'sthehighestmountainintheworld?Qomolangma.HowhighisQomolangma?It's8,848.86metershigh.It'shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspainSeaisthedeepestofallthesaltlakes.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.It'smucholderthantheUS.觀察上面的句子，并進(jìn)行小組討論：1.度量的表達(dá)2.形容詞、副詞的比較級和最高級Grammarfocus長度、寬度、高度、深度等的表示法1.長度、寬度、高度、深度等的表示法：“基數(shù)詞+單位詞+形容詞”e.g.Thebridgeis140meterslong.

這座橋有140米長。Themirrorisonemeterwide.

那面鏡子有一米寬。2.也可用“基數(shù)詞+單位詞+in+長/寬/高/深度等名詞”來表示?！璱nlength長度…inwidth寬度…inheight高度…indepth深度…inweight重量Theclassroomwas25feetinlengthand20feetinwidth.Theboxis9kilos.

=Theboxis9kilosinweight.Thebuildingis3metersinheight.Thislakewas5metersindepth.1.—世界上最高的山峰是哪個？—珠穆朗瑪峰。—What’s__________mountainintheworld—Qomolangma.FillintheblanksaccordingtoGrammarFocus.thehighest2.—珠穆朗瑪峰有多高？—它有8848.86米高。它比別的山都高?！狧owhighisQomolangma—It’s8848.86metershigh.It’s________________________________.higherthananyothermountain3.—世界上最深的咸水湖是哪個？—里海是世界上最深的咸水湖?！猈hichis____________saltlakeintheworld—TheCaspianSeais_____________________________.thedeepestthedeepestofallthesaltlakes4.—你知道中國是世界上最古老的國家之一嗎？—我知道。中國比美國古老得多。—DidyouknowthatChinais_______________________intheworld—Yes,Idid.It’smucholderthantheUS.oneoftheoldestcountries1)It’salotbiggerthanthepopulationoftheUS.2)Chinaisover5,000yearsold.IthasamuchlongerhistorythantheUS.3)Qomolangmaishigherthananyothermountainintheworld.4)TheSaharaisthebiggestdesertintheworld.5)TheNileisthelongestriverintheworld.6)It’sthemostfamouspart.Studymoresentencesandfindouttherules.形容詞和副詞的比較級和最高級大多數(shù)形容詞和副詞都有三個級

1)原級:常用結(jié)構(gòu)as...as...

“和..….一樣”eg.ZhangHongisastallasTom.張紅和湯姆一樣高。2)比較級(用于兩者之間的比較)常用結(jié)構(gòu)：比較級＋than...eg.HeistallerthanI.他比我高。3)最高級(用于三者或三者以上的比較)，常用結(jié)構(gòu):the+最高級+of/in/among...

eg.Heisthefunniestinhisclass.他是他們班最有趣的。Unit7SectionAGrammarFocus1.同級比較：肯定句中一般用as...as...結(jié)構(gòu)，意為“和……一樣……”；否定句中經(jīng)常用notso/as...as...，表示“不如……”。注意：as...as之間一定要用形容詞或副詞的原級。e.g.EnglishisnotsodifficultasRussian.英語不如俄語難。HerunsasquicklyasSuBingtian.他跑得和蘇炳添一樣快。

形容詞和副詞的比較等級WhyisZiBosopopularnicepeoplecheappricegoodserviceAsforChaozhou,wealsohave..yummyfoodnicesightseeingnicepeopleComparedwithZiBo,whyChaozhoucan'tbemorepopularthanZiBoworsetraffichigherpricenomoredeliciousfood潮州物價比淄博高ThepriceishigherthanZibo.交通比淄博擁擠得多。ThetrafficismuchmorecrowdedthanZibo.淄博有更好的服務(wù)。ZiBohasthebetterservicethanCZ.Unit7SectionAGrammarFocus2.比較級用法e.g.—Tomisthetallerofthetwoboys.—Whoistaller,TomorJacke.g.Theweatherofthisyearisalothotterthanthatoflastyear.今年比去年熱很多。①“形容詞比較級+than...”，可以用“much,even,alot,any,still,abit,alittle,agreatdeal,far”等副詞修飾形容詞比較級。②主語+動詞+the比較級+ofthetwo.表示兩者之間進(jìn)行選擇時，用句型：Which/Who+be/動詞+比較級,AorBUnit7SectionAGrammarFocuse.g.Hestudiesharderandharder.e.g.Theelephantweighstentimesmorethanthepanda.③

The+比較級，the+比較級，表示“越……越……”。e.g.Theharderheworks,thehappierhefeels.他越努力學(xué)習(xí)，越感覺快樂。④比較級+and+比較級,表示“越來越……”。他學(xué)習(xí)越來越努力。5.“數(shù)詞+times+比較級+than”……是……的幾倍Chaozhouhasoneofthemosttreasures.greatpeopleHanYuisoneofthegreatestpoets.HuangXuhuaisoneofthegreatestscientists.ChenWeinanis

(great)maninChaozhou.thegreatestgreatpeopleLeiFengisoneofthekindestpeople.JustlikeLeiFeng,theyoungalsohasthereddest

heart.Eventhesmallestworkerhasthebiggestpursuit.(追求）Chaozhoupeoplecanmake

(yummy)food.theyummiestChaozhoupeoplecancreatethenicestfestivalromance.ChaozhoupeoplehavetheclosestroadtoShantouWearethemosttalented.Weare

(creative)!themostcreative（一）比較級和最高級的構(gòu)成1.規(guī)則變化talltallertallestnicenicernicesteasyeasiereasiestyummyyummieryummiestbigbiggerbiggestbeautifulmorebeautifulmostbeautiful2.不規(guī)則變化原級比較級最高級good/wellbetterbestmany/muchmoremostbad/badlyworseworstlittlelessleastfarfarther/furtherfarthest/furthestThebestpeoplebuildthehottestcity.網(wǎng)紅潮州popularonline網(wǎng)紅潮州popularonline長紅潮州popularforevermusttryourbesttodosomethingforCZ.Unit7SectionAGrammarFocus3.最高級用法①

形容詞最高級前需加“the“。最高級前有物主代詞、指示代詞、名詞所有格、部分序數(shù)詞等修飾時不用定冠詞。副詞最高級前可以不加。e.g.Youaremybestfriend.你是我最好的朋友。Herunsfastestinmyclass.他在我們班跑得最快。②

A+be+oneof+the+形容詞最高級+名詞復(fù)數(shù)，表示“A是……中最……之一”。e.g.Thelightbulbisoneofthemosthelpfulinventions.燈泡是最有用的發(fā)明之一。Unit7SectionAGrammarFocus③表示在三者或三者以上的人或物中進(jìn)行選擇時，用句型：Which/Who+be/動詞(+the)+最高級,A,BorC④A+be+the+序數(shù)詞+形容詞最高級+名詞單數(shù)+范圍，表示“第幾最……“。e.g.Whichsubjectdoyoulikebest,English,ChineseorMath你最喜歡哪一門課程，英語、語文還是數(shù)學(xué)？黃河是中國的第二大河。e.g.TheYellowRiveristhesecondlongestinChina.Unit7SectionAGrammarFocus⑤比較級形式表示最高級：比任何一個都……，最……比較級+than+anyother+單數(shù)可數(shù)名詞比較級+than+theother+名詞復(fù)數(shù)Tomisclevererthananyotherstudentinhisclass.Tomisclevererthantheotherstudentsinhisclass.翻譯：

湯姆比他們班任何一個學(xué)生都聰明。Unit7SectionAGrammarFocusPractice1.TheAmazonRiverisoneofthe_________riversintheworld.It’salittle________thantheYangtzeRiver.2.Qomolangmais8,844.43meters_______.It’soneofthemost__________placesforseriousmountainclimbers.3.Nooceanintheworldisas________asthePacificOcean.bigmuchpopularlongoldhighlongestlongerhighpopularbig

n.大海；海洋太平洋（等于

thePacific）Unit7SectionAGrammarFocus4.AlthoughJapanis_______thanCanada,itis________smaller.bigmuchpopularlongoldhigholdermuchUnit7SectionAGrammarFocusMakeparisonsaccordingtothetable.theNileRivertheAmazonRivertheYangtzeRivertheYellowRiver6,671km6,480km6,300km5,464km?TheNileRiveristhelongestriverintheworld.?TheAmazonRiverisoneofthelongestriversintheworld.?TheAmazonRiverisalittlelongerthantheYangtzeRiver.?TheNileRiverismuchlongerthantheYellowRiver.Unit7SectionAGrammarFocus4b.Writetwoparisonsabouttwotopics.Writetruefacts.e.g.Tworivers:theYangtzeRiverandtheAmazonRiverTheYangtzeRiverisalmostaslongastheAmazonRiver.TheAmazonislongerthantheYangtze,buttheYangtzeisthelongestriverinChina.Unit7SectionAGrammarFocusTwocities:________________and_______________1.___________________________________________2.______________________________________________________________________________________Twoanimals:________________and_______________1.____________________________________________2.________________________________________________________________________________________SingaporeKualaLumpurKualaLumpurisasmodernasSingapore.SingaporeisbiggerthanKualaLumpurandhasalargerpopulationthanKualaLumpur.MonkeyDogAdogisbiggerthanamonkey.Amonkeyissmallerthanadog,butitclimbsatreefasterthanadog.Unit7SectionAGrammarFocus4c.Writefivequestionsusingparisons.Thenaskyourpartneryourquestions.

Production1.__________________________________________2.__________________________________________3.__________________________________________4.__________________________________________5.__________________________________________WhatisthehighestbuildinginourcityWhatisthebusiestsubwaystationinourcityWhatisthelargestshoppingmallinourcityWhichisthebiggestparkinourcityWhichisthelongestroadinourcityUnit7SectionAGrammarFocusYourTime~Ourschoolisgoingonaschooltripinthecity.WorkingroupsoffourtotalkaboutwhichplaceisthebestforourschooltripExample:Wethink______isthebestplaceforustogoonaschooltrip.Ofalltheplaces,itisthe________.Andwecanalso______.Soweallthinkitisagoodideatovisit________________.Unit7SectionAGrammarFocus一、從方框中選擇適當(dāng)?shù)脑~填空1.TheAmazonRiverisoneofthe_______riversintheworld.2.Qomolangmais8848.86meters______