Unit7What’sthehighestmountainintheworld?SectionA（4a-4c）GrammarPresentation

LookandSayWhat’sthehighestmountainintheworld?QomolangmaHowhighisQomolangma?height

高度It’s8,848.86meters_____.highIt's

thananyothermountainintheworld.Nomountainintheworldisas

asit.higherhighWhichisthe

deepestsaltlakeintheworld?theCaspianSeaHowdeepistheCaspianSea?It’s1,025meters____.deepIt's

thananyothersaltlakeintheworld.Nosaltlakeintheworldisas

astheCaspianSea.deeperdeepdeepth深度Presentation

LookandSayWhat’sthebiggestdesertintheworld?theSaharaHowbigistheSaharaDesert?It’sabout9,600,00squarekilometers______.insizeIt's

thananyotherdesertintheworld.Nodesertintheworldis_________

theSahara.biggerasbigasWhat’sthelongstwallintheworld?theGreatWallHowlongistheGreatWallinMingDynasty?It’sabout8,850kilometers______.longIt's

thananyotherwallintheworld.Therearenootherman-madeobjects________this.longerasbigasarea面積length長(zhǎng)度Presentation

LookandSayLookatthesesentencesandfindouttherules.HowhighisQomolangma?HowlongisNileRiver?HowdeepisCaspianSea?HowbigistheSaharaDesert?It’s8,848.86metershigh/inheight.

It’s6,671kilometerslong/inlength.It’s1,025metersdeep/indepth.It’sabout9,600,00squarekilometersinsize.It’s+數(shù)字+meters/kilometershigh.It’s+數(shù)字+meters/kilometerslong.It’s+數(shù)字+meters/kilometersdeep.It’s+數(shù)字+squaremeters/kilometersinsize.如何表達(dá)物體的長(zhǎng)度、寬度、高度、深度等呢？______+______+___________(long,high,wide,deep…)構(gòu)成的;主+be+基數(shù)詞度量詞長(zhǎng)\高\(yùn)寬\深物體的長(zhǎng)、寬、高、深的表達(dá)法：基數(shù)詞+度量詞(meters，kilometers,squarekilometers)+形容詞(long,wide,high,deep等)。當(dāng)基數(shù)詞大于1時(shí)，度量詞用復(fù)數(shù)。PresentationLookandSayLookatthesesentencesandfingouttherules.ThehighestmountainintheworldisQomolangma.ThedeepestsaltlakeintheworldistheCaspianSea.ThebiggestdesertintheworldistheSahara.Whatformsdoweusetotalkaboutthebestoftheworld?Superlatives(最高級(jí))Qomolangmaishigher

thananyothermountainintheworld.Nomountainintheworldisashigh

asit.TheSaharais

biggerthananyotherdesertintheworld.Nodesertintheworldisasbigas

theSahara.Whatotherformsdoweusetotalkaboutthebestoftheworld?Comparatives(比較級(jí))Positives(原級(jí))Doyouwanttoknowmoreaboutthem?GrammarFocusWhat’sthehighestmountainintheworld?Qomolangma.HowhighisQomolangma?It’s8,848.86metershigh.It’shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlakes.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.It’smucholderthantheUS.形容詞&副詞的比較級(jí)和最高級(jí)Presentation

LookandSay形容詞副詞比較級(jí)最高級(jí)的構(gòu)成Doyouremembertherules?①一般的直接加-er或-est③以“輔音字母+y”結(jié)尾，把y變?yōu)閕，再加-er或-estnice—______—______heavy—________—________nicernicestheavierheaviestbig—_______—_______biggerbiggest②以不發(fā)音的字母e結(jié)尾的單詞直接加-r或-sttall—______—______long—_______—______tallertallestlongerlongest④重讀閉音節(jié)(末尾只有一個(gè)輔音字母)

雙寫輔音字母再加-er或-est⑤部分雙音節(jié)詞和多音節(jié)詞分別在原級(jí)前加more構(gòu)成比較級(jí)和most構(gòu)成最高級(jí)slowly—___________—___________beautiful—______________—______________moreslowlymostslowlymorebeautifulmostbeautifulPresentation

LookandSayWritedowntherightformsofthem.原級(jí)比較級(jí)最高級(jí)good/wellbetterbestbadworseworstmany/muchmoremostlittlelessleastoldolder/elderoldest/eldestfarfarther(更遠(yuǎn))/further(進(jìn)一步的)farthest/furthest注：older一般指年齡大小；

Myfatherisolderthanmymother.elder指長(zhǎng)幼關(guān)系(一般修飾名詞作定語(yǔ));Myelderbrotherisadriver.farther指距離更遠(yuǎn)；further指抽像的.IwanttostudyEnglishfurtherfurtherreadingPresentationLookandFill形容詞、副詞的原級(jí)比較1.肯定形式:A和B一樣...A+be動(dòng)詞+as+形容詞原級(jí)+as+BA+實(shí)意動(dòng)詞+as+副詞原級(jí)+as+B…as+____________________

+as…“和…一樣”Ababypandais________

ababyelephant.小熊貓和小象一樣可愛(ài)。原級(jí)(形容詞副詞原形)ascuteas他跑得和蘇炳添一樣快。Heruns_______SuBingtian.asfastas2.否定形式:表示:A不如B否定形式…________________…“前者不如后者”notso\as+原形

+asA+be動(dòng)詞+notso/as+形容詞原級(jí)+as+BA+don't/doesn't/didn't+實(shí)意動(dòng)詞+so/as+副詞原級(jí)+as+BThismountainisnot___________thatone.這座山不如那座山大。as/sohighasPresentationLookandfill2.否定形式:表示:A不如B否定形式…________________…“前者不如后者”notso\as+原形

+as形容詞、副詞的原級(jí)比較Hecannotrun___________

Will.他跑得不如Will快。as/sofastasLily______study___________

Amy.他跑得不如Will快。doesn'tso/ashardas倍數(shù)+as+原級(jí)+as…“…是…的幾倍；表倍數(shù)關(guān)系”3.倍數(shù)形式:表示:A是B的…倍Thissofaistwice________thatone.你的房子是我的房子的三倍。（你的房子比我的房子大2倍。）Youhouseisthreetimes__________mine.aslargeas這個(gè)沙發(fā)是那個(gè)的兩倍。asbigasPresentationLookandsay形容詞、副詞的比較級(jí)比較(用于兩者之間的比較):標(biāo)志詞______。than1.肯定結(jié)構(gòu)：表示“前者比后者...更”主語(yǔ)+謂語(yǔ)+比較級(jí)+than+比較對(duì)象“…比…如何”A+be動(dòng)詞+形容詞比較級(jí)＋than+BA+實(shí)意動(dòng)詞+副詞比較級(jí)＋than+BMymomgotup___________methismorning.我的媽媽今天早晨起床比我更早些。earlierthanThismountainismuch___________thatone.這座山比那座山高得多。higherthanApandaismuch____________anelephant.熊貓比大象矮多了。shorterthanPresentationLookandsay形容詞、副詞的比較級(jí)比較(用于兩者之間的比較):標(biāo)志詞than。2.表示兩者之中較...用the+比較級(jí)+ofthetwo主語(yǔ)+謂語(yǔ)+the+比較級(jí)+ofthetwo

“主語(yǔ)是兩者中較…的一個(gè)”杰克是兄弟二人中較瘦的一個(gè)。Jackis__________ofthetwobrothers.thethinner3.表示“越來(lái)越...”用比較級(jí)+and+比較級(jí)；moreandmore+原級(jí)Our

hometown

is

becoming______and_______________.我們的家鄉(xiāng)變得越來(lái)越美了。It's

getting_______and_______.天氣變得越來(lái)越冷了。coldercoldermoremorebeautiful我們的國(guó)家正變得越來(lái)越強(qiáng)大。雪正下得越來(lái)越大。Ourcountryisbecoming_________________.strongerandstrongerThesnowisgetting___________________.heavierandheavierPresentationLookandsay形容詞、副詞的比較級(jí)比較(用于兩者之間的比較):標(biāo)志詞than。4.表示“越...就越...”

the+比較級(jí)，the+比較級(jí)the+比較級(jí)+（名詞）+主+謂，the+比較級(jí)+（名詞）+主+謂。越…，就越…前面的句子是比較狀語(yǔ)從句，用一般現(xiàn)在時(shí)，后面的句子是主句，用一般將來(lái)時(shí)。________youwork,________resultyouwillget.你學(xué)習(xí)越努力，你越能取得好結(jié)果。Theharder

thebetterBajie,stopeating!

___________youeat,

___________youwillbe.Ijustlovethedeliciousfood.

Idon'tagreewithyou!_________

Ieat,____________Iwillbe.ThemoretheheavierThemoreThestronger

PresentationLookandsay5.Who/Which+…+比較級(jí),

Aor

B

?形容詞、副詞的比較級(jí)比較(用于兩者之間的比較):標(biāo)志詞than。意為“兩者中哪一個(gè)/誰(shuí)更……”。Whois_____,mymomormydad?Mymomistallerthanmy

dad.tallerWhichanimalwalks______,thehorseortheturtle?Thehorsewalksfasterthantheturtle.faster6.比較級(jí)+thananyother+單數(shù)名詞(表最高級(jí))“比其他任何的…都…”TheNileislongerthantheotherriversintheworld.=TheNileis____________riverintheworld.thelongestHeisthetallestinhisclass.=Heis___________________studentinhisclass.tallerthananyother=Heistallerthantheothers/theotherstudentsinhisclass.PresentationLookandsayLookatthefollowingsentences.Whatrulewillyoufind?Apandaismuchshorterthananelephant.IamalittletallerthanMary.Theweatherisgoingtobeevenworse.當(dāng)表示一方超過(guò)另一方的“程度”時(shí)，可以用much,alot,alittle,abit,even,far,still等來(lái)修飾形容詞比較級(jí)。注意：比較級(jí)不能用very,so,too等修飾。1.Youmustwork

faster.2.Heis_______lessworried,

nowthathehasreadthereport.A.much

B.nearly

C.such

D.justA.evenB.veryC.quite你對(duì)此事的了解甚至還不如我。大象比熊貓中的多。Youknow______lessaboutitthanIdo.Theelephantweighs______morethanthepanda.AAevenmuchPresentationLookandsay形容詞、副詞的最高級(jí)比較(用于三者或三者以上)形容詞和副詞的最高級(jí)常用于______或_________的人或事(物)之間的比較。在句中使用時(shí),形容詞最高級(jí)前必須加_____.句中常含有表示比較范圍的介詞_____或_____。常用的句型結(jié)構(gòu)為:三者以上三者theinofThegirlwithredhairisthetallest

inourclass.(girl和class是不同類的的)Heisthetallest

of

theseboys.(boys和he是同類的的,he就是boy)in和of表示范圍時(shí)有什么不同？Presentation

Lookandsay形容詞、副詞的最高級(jí)比較(用于三者或三者以上)1.“the+形容詞/副詞最高級(jí)”in/of/among...在...中最...主語(yǔ)+謂語(yǔ)+(the)+最高級(jí)+in\of…

“…中最…”TheYangtzeRiveris___________(long)riverinChina.Shejumps____________(far)ofthethree.thelongest

(the)farthest【注意】

介詞of/among后接同句子的主語(yǔ)屬于同一個(gè)概念范疇的名詞或代詞；而介詞in后常接表示組織、團(tuán)體之類的集體名詞。2.“one

of

the+形容詞最高級(jí)+復(fù)數(shù)可數(shù)名詞”意為“最……的……之一”。TheYellowRiverisoneof_________(long)riversintheworld.Pandasareoneof________________(popular)

_______(animal)intheworld.thelongestthemostpopular

animals一般來(lái)說(shuō)，oneof后面跟形容詞最高級(jí)，后面的名詞用復(fù)數(shù)形式。最高級(jí)前有物主代詞、名詞所有格等修飾時(shí)，其前不加the.TheYangtzeRiverisChina'slongestriver.Presentation

Lookandsay形容詞、副詞的最高級(jí)比較(用于三者或三者以上)3.“the+序數(shù)詞+形容詞最高級(jí)+單數(shù)可數(shù)名詞+in/of短語(yǔ)”該結(jié)構(gòu)意為“……在……中是第幾……的……”TheYellowRiveris_________________riverinChina.黃河是中國(guó)的第二長(zhǎng)河。thesecondlongestChinais______________

countryintheworld.中國(guó)是世界上第三大的國(guó)家。thethird

largest4.疑問(wèn)詞(Which\Who)+謂語(yǔ)+(the+)最高級(jí)，A，BorC?意為“三者中哪一個(gè)/誰(shuí)最……”。Which

is

____

______,

the

sun,

the

earth

or

the

moon?太陽(yáng)、地球和月球，這三者中哪一個(gè)最大？thelargestWhoruns__________(fast),Tom,BillorBen?(the)fastest副詞最高級(jí)前的the可以省略。Jimjumps(the)highest.表示“非?！钡膍ost前不加the。Heisamostinterestingman.他是個(gè)非常有趣的人。Presentation

LookandSay原級(jí)、比較級(jí)與最高級(jí)之間的轉(zhuǎn)換（1）as...as結(jié)構(gòu)和最高級(jí)的轉(zhuǎn)換No

ocean

in

the

world

is

as

big

as

the

Pacific

Ocean.

太平洋是世界上最大的海洋。=The

Pacific

Ocean

is

____

________

ocean

in

the

world.thebiggestMyfatheristhetallestoneinmyfamily.Myfatheristallerthananyothermemberinmyfamily.Myfatheristallerthantheothermembersinmyfamily.Canyoutranslate?我的爸爸比我的家里其他任何成員都更高。我的爸爸比我的家里其他任何成員都更高。我的爸爸是家庭里最高的一個(gè)。比較級(jí)名詞單數(shù)比較級(jí)名詞復(fù)數(shù)最高級(jí)The

movie

is

the

most

interesting

of

all.這部電影是所有電影中最有趣的。=The

movie

is

more

interesting

than

_____

______

movie.=The

movie

is

more

interesting

than

____

______

movies.anyothertheother

最高級(jí)的兩種表達(dá)方式（同義不同形)：比較級(jí)+thanany

other+可數(shù)名詞單數(shù)”=“比較級(jí)+thantheother+可數(shù)名詞復(fù)數(shù)”表示“比其他任何……都……”表示最高級(jí)含義，可與表示最高級(jí)的句子進(jìn)行轉(zhuǎn)換。hundredCanyoureadtheselargenumbers?43854,385fourthousandthreehundredandeighty-five1.從數(shù)字右端向左數(shù)，每三位數(shù)加一個(gè)逗號(hào)；2.第一個(gè)逗號(hào)前的數(shù)為thousand（千）；3.讀的時(shí)候通常在hundred后加and。thousandand大數(shù)字的表達(dá)與讀法1835708918,357,089millionandeighteenmillion,threehundredandfifty-seventhousand,andeighty-ninethousand1.從數(shù)字右端向左數(shù)，每三位數(shù)加一個(gè)逗號(hào)；2.第一個(gè)逗號(hào)前的數(shù)為thousand（千）；第二個(gè)逗號(hào)前的數(shù)為million（百萬(wàn)）；第三個(gè)逗號(hào)前的數(shù)為billion（十億）3.讀的時(shí)候通常在hundred后加and，如果百位數(shù)為0，則在thousand后加and。注意1.英語(yǔ)沒(méi)有“萬(wàn)”這個(gè)單位，要表示“萬(wàn)”須

借用thousand，如“一萬(wàn)”用“十個(gè)千

（tenthousand）”

表示，“十萬(wàn)”用“百個(gè)千

（onehundredthousand）”表示。2.在hundred后通常加上連詞and。若讀數(shù)中百位

數(shù)為0，則在thousand后加and。Exercise4,23966,321853,30735,264,842Fourthousand,twohundredandthirty-nineSixty-sixthousand,threehundredandtwenty-oneEighthundredandfifty-threethousand,threehundredandsevenThirty-fivemillion,twohundredandsixty-fourthousand,eighthundredandforty-two4aFillintheblankswiththecorrectformsofthewordsinthebox.bigmuchpopularlongoldhighTheAmazonRiverisoneofthe_______riversintheworld.It’salittle_______thantheYangtzeRiver.2.Qomolangmais8,848.86meters_____.It’soneofthemost________placesforseriousmountainclimbers.3.Nooceanintheworldisas____asthePacificOcean.4.AlthoughJapanis_____thanCanada,itis_____smaller.longestlongerhighpopularbigoldermuchLookatthetablebelowandmakesentencesbyusingcomparativesandsuperlatives.theNileRiver6,671kmtheAmazonRiver6,480kmtheYangtzeRiver6,300kmtheYellowRiver5,464kmTheNileRiveristhelongestriverintheworld.TheAmazonRiverisoneofthelongestriverintheworld.TheAmazonRiverisalittlelongerthantheYangtzeRiver.TheNileRiverismuchlongerthantheYangtzeRiver.4bWritetwocomparisonsabouttwotopics.Writetruefacts.e.g.Tworivers:________________and_________________________________________________________________________________________________________________________________________________________________________________________________theYangtzeRivertheAmazonRiverTheAmazonislongerthantheYangtze,TheYangt