Unit 7 第3課時(shí) Section A Grammar Focus-4c【基礎(chǔ)深耕】八年級英語下冊高效課堂（人教版）

第3課時(shí)SectionAGrammarFocus-4c初中英語/人教版/八年級下冊

Unit7What'sthehighestmountainintheworld?01Review05Summary03Presentation02Grammar06Homework04Exercises01020304語言能力思維品質(zhì)文化意識學(xué)習(xí)能力學(xué)習(xí)目標(biāo)詞匯:ocean,thePacificOcean；

鼓勵學(xué)生仔細(xì)觀察并善于發(fā)現(xiàn)總結(jié)規(guī)律。通過本節(jié)課學(xué)習(xí),提高同學(xué)們對于保護(hù)瀕危野生動物的意識。復(fù)習(xí)并掌握形容詞和副詞三個等級原級；比較級和最高級的用法；ReviewPart01Howmuchdoyouknowaboutthescenery?QomolangmaNomountainintheworldis

____________

Qomolangma.Itis8848.86meters_____.ltis

____________

mountaininthe

world.Itis

______than

anyother

mountainintheworld.highhigherthehighestashighastheSaharaNodesertintheworldis____________theSahara.Itis9600000squarekilometers___________.ltis_____________desertintheworld.Itis______thananyotherdesertintheworld.insizelargerthelargestaslargeasHowmuchdoyouknowaboutthescenery?theNileNoriverintheworldis_____________theNile.Itis6,671kilometers______.ltis____________riverintheworld.Itis______thananyotherriverintheworld.longlongerthelongestaslongasHowmuchdoyouknowaboutthescenery?theCaspianSeaNosaltlakeintheworldis_____________theCaspianSea.Itis1025meters_____.ltis______________saltlakeintheworld.Itis________thananyothersaltlakeintheworld.deepdeeperthedeepestasdeepasHowmuchdoyouknowaboutthescenery?Grammar

Part02GrammarFocusWhatdidyoufindout?What'sthehighestmountainintheworld?Qomolangma.HowhighisQomolangma?It's8,844.43metershigh.It'shigherthananyothermountain.如何詢問和表達(dá)物體的長度、寬度、高度、深度等。如何詢問物體的長度、寬度、高度、深度等？句型：How+long(wide,high,deep,big,heavy…)+謂語+主語+其他？Howwideisthemirror?那面鏡子有多寬？如何表達(dá)物體的長度、寬度、高度、深度等呢？觀察并總結(jié):It's8,844.43metershigh.______+______+___________(long,high,wide,deep…)構(gòu)成的;基數(shù)詞度量詞長\高\(yùn)寬\深主+be+物體的長、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)形式。e.g.Thebasketballplayeris2meterstall.Theriverisabout2meterswide/deep.Themountainisabout2thousandmetershigh.1．TheYangtzeRiverisabout6,397kilometres________.A．tall B．high C．long D．wide2．Thenewbridgeinourvillageis_________.A．666meterhigh B．666highmeters C．666longmeters D．666meterslong3．—What’sthe________ofthebuilding?—It’s236metres________.A．high;high B．height;height C．high;height D．height;high4．這張桌子有5米長。Thedeskis

.5．這塊巖石長5米，寬2米。Therockis

and2meterswide.鞏固練習(xí)√√√fivemeterslong5meterslongGrammarFocusWhat’sthehighestmountainintheworld?Qormolangma.HowhighisQomolangma?It’s8,844.43metershigh.It’shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlakes.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.It’smucholderthantheUS.Findthecomparativesandsuperlatives.此句型用比較級表達(dá)最高級含義形容詞和副詞的原級,比較級,最高級原級Positiveform比較級Comparativeform最高級Superlativeform沒有比較含義,“……”兩者間比較,“更……”三者及三者以上比較,“最……”注意：某些形容詞和副詞只用原級，如：perfect，excellent，dead等。一、形容詞、副詞比較級和最高級變化規(guī)則①直接加-er或-esttall—_____—______

long—______—______②以不發(fā)音的字母e結(jié)尾的單詞直接加-r或-st③以“輔音字母+y”結(jié)尾,把y變?yōu)閕,再加-er或-estnice—______—______heavy—________—________tallertallestlongerlongestnicernicestheavierheaviest④輔元輔，且重讀雙寫輔音字母再加-er或-est⑤部分雙音節(jié)詞和多音節(jié)詞

比較級：more+多音節(jié)形容詞副詞原級

最高級：most+多音節(jié)形容詞副詞原級big—_______—_______slowly—___________—___________beautiful—______________—______________biggerbiggestmoreslowlymostslowlymorebeautifulmostbeautiful巧記：大big紅red胖fat瘦thin濕wet熱hot悲sad原級比較級最高級good\wellbetterbestbad\badlyworseworstmany\muchmoremostlittlelessleastoldolder\elderoldest\oldestfarfarther(更遠(yuǎn))further(進(jìn)一步的)farthest\furthest二、形容詞、副詞的比較級和最高級的不規(guī)則變化Lucy

doesn't

study

______

______

____

Lily.露西不如莉莉?qū)W習(xí)努力。Eric

is

____

____

____

Jerry.埃里克和杰里一樣高。as/sohardasastallas三、形容詞和副詞的原級的用法當(dāng)兩者進(jìn)行比較時(shí)，若比較雙方在某方面程度相同，常用“as+原級+as”型結(jié)構(gòu)，否定形式為“not

as/so+原級+as”。常用于修飾原級的單詞或短語：very、too、quite、so等1．Thisroomisas________asthatone.A．bigger B．longer C．clearly D．clean2．Danielis________hisbrother.Theyareboth1.76meterstall.A．tallerthan B．a(chǎn)stallas C．sotallas3．—Thisfilmis________thatone.—Iagree,soIlikebothofthem.A．a(chǎn)sinterestingas B．notasinterestingasC．moreinterestingthan D．lessinterestingthan4．—Ourclassroomis______clean______yesterday.—Sorry,I’llcleanitrightaway.A．a(chǎn)s;as B．so;as C．notso;as5．—Mum,couldyoubuymeacarlikethis?—Certainly,wecanbuy_______onelikethis,but_______this.A．a(chǎn)worse,asgoodas B．a(chǎn)better,betterthanC．moreimportant,notasgoodas D．a(chǎn)cheaper,asgoodas鞏固練習(xí)√√√√√Our

hometown

is

becoming

______

and

______

_________.我們的家鄉(xiāng)變得越來越美了。higherthancoldercoldermoremorebeautiful四、形容詞和副詞的比較級的用法（1）“A+謂語動詞+比較級+than+B”表示“A比B更……”。The

Himalayas

are

_______

______

the

Alps.

（2）“比較級+and+比較級”表示“越來越……”；多音節(jié)詞和部分雙音節(jié)詞用“more

and

more+原級”。It's

getting

_______

and

_______.天氣變得越來越冷了。Thebusierthehappier（6）常用于修飾比較級的單詞或短語：a

little、a

lot、a

bit、much、even、far等（3）“The+比較級...,

the+比較級...”意為“越……，就越……”。___________

he

gets,

____

________

he

is.他越忙碌，就越高興。（4）“Which/Who（+of

the

two...）+謂語動詞單數(shù)形式+比較級，

A

or

B?”意為“兩者中哪一個/誰更……”。Which

of

the

two

movies

is

more

interesting,

this

one

or

that

one?

兩部電影中哪一部更有趣，這一部還是那一部？（5）“the+比較級+of

the

two...”意為“兩者中更……的”。He

is

the

thinner

of

the

two

boys.他是兩個男孩中更瘦的一個。1．Ourcountryisgetting________.Manyforeignerswouldliketovisitit.A．morebeautifulandmorebeautiful B．morebeautifulandbeautifulC．moreandmorebeautiful D．beautifulandbeautiful2．—Thedoctortellsmenottoeattoomuchjunkfood,butIfindithard.—Thedoctorisright.________junkfoodyoueat,________youwillbe.A．Themore;thehealthier B．Themost;thehealthiest C．Theless;thehealthier D．Theleast;thehealthiest3．—Whichis________ofthetwins,LucyorLily?—It’shardtosay.Bothofthemaregoodattheirlessons.A．thecleverer B．cleverer C．cleverest D．thecleverest4．—WhatdoyouthinkofthenovelTheThree-bodyProblem?—I’veneverread________onebefore.Itisfullofimagination（想象力）.A．thebest B．theworst C．a(chǎn)worse D．a(chǎn)better5．Thisbookis________interesting,butthatoneis________moreinteresting.A．far;very B．far;much C．pretty;very D．pretty;much√√√√√She

runs

fastest

in

our

class.她在我們班里跑得最快。Tom

is

____

______

______________

of

us

all.

湯姆是我們當(dāng)中工作最努力的。themosthard-working五、形容詞和副詞的最高級的用法（1）“（the+）最高級+of/among/in...”意為“（三者及以上）最……的”；形容詞最高級前加the,副詞最高級前可不加?！咀⒁狻?/p>

介詞of/among后接同句子的主語屬于同一個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）“Which/Who+謂語動詞+（the+）最高級，

A,B

or

C?”

意為“三者中哪一個/誰最……”。Which

is

____

________,

the

sun,

the

earth

or

the

moon?太陽、地球和月球，這三者中哪一個最大？thebiggest（3）“one

of

the+形容詞最高級+復(fù)數(shù)可數(shù)名詞”意為“最……的……之一”。One

of

____

______

__________

languages

is

English.最重要的語言之一是英語。themostimportant（4）“the+序數(shù)詞+形容詞最高級+單數(shù)可數(shù)名詞”意為“第幾最……”。The

Yellow

River

is

____

________

________

river

in

China.黃河是中國的第二長河。thesecondlongest鞏固練習(xí)1．Qomolangmaisthe_________mountainintheworld.A．high B．higher C．morehigher D．highest2．Londonisoneofthe________famous________intheworld.A．/;city B．most;cities C．more;cities D．most;city√√3．—Hainanisaverylargeisland.—Yes,it’sthesecond________islandinChina.A．large B．larger C．largest D．thelarger4．Whichcityhas________population,Beijing,WuhanorShanghai?A．larger B．thelargest C．more D．themost5．Ofalltheperformers,Ithinkheisthe________one.A．success B．mostsuccessfulC．moresuccessful D．successful6．—Whoruns_________?Jim,TomorSam?—Tomdoes,ofcourse.A．fast B．faster C．mostfast D．fastest7．—Tom,IhearthatBobruns________inyourclass.Isthattrue?—No.Infact,hedoesn’trunas________asJohn.A．fastest;faster B．fastest;fast C．faster;fastest D．faster;fast√√√√√（2）“比較級+than

any

other+名詞單數(shù)形式”或“比較級+than

the

other+可數(shù)名詞復(fù)數(shù)形式”可與“（the+）最高級+of/among/in...轉(zhuǎn)換”。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六、原級、比較級與最高級之間的轉(zhuǎn)換（1）as...as結(jié)構(gòu)和最高級的轉(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.thebiggest1．HeisnotastallasMike.(改為同義句)Mikeis

him.2．Thisisthehighestmountaininthecountry.(改為同義句)Nomountainis

thisoneinthecountry.3．Thisriverislongerthantheotherriversinthecountry.（改為同義句）Thisriveris

inthecountry.4．NobodyelseisclevererthanDanielinhisclass.(同義句改寫)Danielis

studentinhisclass.5．ItisthemostbeautifulcityinChina.（改為同義句）Itis

than

inChina.鞏固練習(xí)tallerthanashighasthelongestthecleverestmorebeautifulanyothercityPresentationPart03Fillintheblankswiththecorrectformsofthewordsinthebox.1.TheAmazonRiverisoneofthe

riversintheworld.It’salittle_______thantheYangtzeRiver.2.Qomolangmais8,844.43meters_____. It’soneofthemost________placesforseriousmountainclimbers.3.Nooceanintheworldisas_____as

thePacificOcean.4.AlthoughJapanis_______thanCanada,itis_______smaller.longestlongerhighpopularbigoldermuch4abigmuchpopularlongoldhigh4bWritetwocomparisonsabouttwotopics.Writetruefacts.e.g.Tworivers:________________and______________________________________________________________________________________________________________________________________________________________theYangtzeRivertheAmazonRiverTheAmazonislongerthantheYangtze,buttheYangtzeisthelongestriverinChina.

TheYangtzeRiverisalmostaslongastheAmazonRiver.Twocities:andJiNanBeiJingpopulationofJiNanPopulationofBeiJing8,700,00021,540,000ThepopulationofJinanisnot_____________thatofBeijing.ThepopulationofBeijingis____________thanthatofJinan,aslargeasmuchlargeTwocities:________________and_______________________________________________________________________________________________________________________________________________________________ShanghaiSydneyShanghaiisnotasbigasSydney.SydneyismuchbiggerthanShanghai.Sydneyisalmost2timesasbigasShanghai.Area:12368sqkmArea:6340sqkm4cWritefivequestionsaboutChengduusingcomparisons.Thendiscussyourquestionsingroups.1._________________________________2._________________________________3._________________________________4._________________________________5._________________________________WhatisthehighestbuildinginChengdu??WhatisthelargestsinglebuidinginChengdu?WhichisthebusiestroadinChengdu?WhatisthemostpopularstreetinChengdu?WhatisthemostdeliciousfoodinChengdu?Exercises

Part041.Mybrotherhas____booksthanI.A.muchB.moreC.manyD.most2.Themoreyousmile,the_____youwillfeel.A.happyB.happierC.happilyD.morehappily3.Iknowyouareshorterthanyourbrothers，butyourun_________.A.morefaster B.fastestC.morefast D.fast4.MrSmiththoughttheCenturyParkwasthesecond_____inShanghai.A.largeB.largerC.largestD.verylarge5.

IthinkEnglishisas____asmaths.

A.important

B.moreimportant

C.mostimportant

D.importanter一、單項(xiàng)選擇BBBCA1.Chinais_______(large)thananyothercountryinAsia.2.Ourcityisbecomingmoreandmore_________(beautiful).3.The_____(much)wedofortheoldpeople,the_______(happy)we’llbe.4.Mybrotheristhe______(tall)ofthetwoboysinthepicture.5.Herbedroomistwice_________(big)thanmine.6.Mrs.Smithlooksmuch__________(young)withhernewhairstyle.7.Chinaisoneof__________________(ancient)countriesintheworld.8.TheYellowRiveristhesecond________(long)riverinChina.二、用括號中所給單詞的適當(dāng)形式填空tallerlargerbeautifulmorehappierlongestbiggeryoungerthemostancient二、根據(jù)漢語意思完成句子,每空一詞。登陸火星比我們想象中要難得多，但我們做到了LandingonMarswas

thanweimagined,butwemadeit.2.袁隆平是最偉大的科學(xué)家之一，他對世界做出了重要的貢獻(xiàn)。YuanLongping,oneof

,madeimportantcontributionstotheworld.3.我認(rèn)為四月是泰國最熱的月份。IbelievethatAprilis

inThailand.4.湯姆是我們班年齡第二大的學(xué)生。Tomis

studentinourclass.5.這棟房子的起居室比其他任何房間都大。Thelivingroomisbigger

roominthishouse.muchmoredifficultthegreatestscientiststhehottestmonththananyotherthesecondoldestSummaryPa