人教版英語八年級下冊課件 Unit 7 Section A Grammar Focus-4c

SectionAGrammarFocus-4cTolearntousecomparativesand

superlativeswithadjectivesand

adverbs.Tolearntocompareanddescribe

things.ObjectivesoceanthePacificOceann.

大海；海洋n.

太平洋WordsandexpressionsWhat’sthehighestmountainintheworld?Qomolangma.HowhighisQomolangma?It’s8,844.86metershigh.It’shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlakes.DidyouknowthatChinais

oneoftheoldestcountriesintheworld?Yes,Idid.It’smucholderthantheUS.GrammarFocus1)Qomolangmaishigherthan

anyothermountainintheworld.2)TheSaharaisthebiggestdesertintheworld.3)TheCaspianSeaisthedeepestofallthesaltlakes.4)TheNileisthelongestriverintheworld.5)What’sthehighestmountainintheworld?6)Chinahasthebiggestpopulationintheworld.7)It’salotbiggerthanthepopulationoftheUS.8)Chinaisover5000yearsold.IthasamuchlongerhistorythantheUS.9)ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.10)—DidyouknowthatChinaisoneofthe

oldest

countriesintheworld?

—Yes,Idid.It’smucholderthanmycountry.11)Thismakesitthelongestwallintheworld.12)It’sthemostfamouspart.13)Oneoftheworld’smostdangeroussportsismountainclimbing,andoneofthemostpopularplacesforthisistheHimalayas.1)Qomolangmais______thananyother

mountainintheworld.2)TheSaharais__________desertintheworld.3)TheCaspianSeais__________ofallthesaltlakes.4)TheNileis___________riverintheworld.5)What’s__________mountainintheworld?Fillintheblanks.higherthebiggestthedeepestthelongestthehighest6)Chinahas____________populationintheworld.7)It’salot________thanthepopulationoftheUS.8)Chinaisover5000yearsold.Ithasa_____________historythantheUS.9)Chinaisalmostas______astheUS,anditisthe_________countryinAsia.thebiggestbiggermuchlonger

bigbiggest10)—DidyouknowthatChinaisoneof__________countriesintheworld?

—Yes,Idid.It’s______________thanmycountry.11)Thismakesit__________wallintheworld.12)It’s______________part.13)Oneoftheworld’s______________sports

ismountainclimbing,andoneof

_______________placesforthisisthe

Himalayas.

theoldestmucholderthelongestthemostfamousmostdangerousthemostpopular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。原級:常用結構as...as...

像……一樣

ZhengMingisastallasTom.鄭明和湯姆一樣高。2)比較級(用于兩者之間的比較)常用結構：形容詞比較級＋than...Heistaller

thanI.他比我高。Grammar3)最高級(用于三者或三者以上的比較)，常用結構:the+形容詞的最高級＋of/in...

Heisthe

tallest

ofthethree.他是這三個人中最高的。

Heisthe

funniest

inhisclass.他是他們班最有趣的。形容詞、副詞比較級和最高規(guī)則變化和不規(guī)則變化。規(guī)則變化

一般情況下，單音節(jié)或雙音節(jié)的形容詞（或副詞）比較級＋er

，最高級＋est

如：clever－cleverer－cleverest

few－fewer－fewest

small－smaller－smallest等。以e結尾的詞，比較級＋r，最高級＋st

即可。如：nice－nicer－nicestcute－cuter－cutestlarge－larger－largest以輔音字母＋y結尾的變y為i＋er或est

如:easy－easier－easiest

happy－h(huán)appier－h(huán)appiest

再如：early,busy,heavy,dirty,lazy也如此。多音節(jié)和部分雙音節(jié)的詞需要在形容詞原級前＋more構成比較級，＋themost構成最高級。如：beautiful－morebeautiful－themostbeautiful又如:delicious,popular,important,interesting,expensive,creative雙音節(jié)的詞如:

careful－morecareful

－themostcareful

useful－moreuseful－themostuseful少數(shù)單音節(jié)詞也是這樣，如：

pleased－morepleased－themostpleasedtired－moretired－the

mosttiredb)不規(guī)則變化：

good—better—bestwell—better—best

bad－worse

－worst

many,much—more—most

far—farther—farthest

(距離遠)

far—further—furthest

(程度深)old—elder—eldest

(長幼)

old—older—oldest

(年齡)Fillintheblankswiththecorrectformsofthewordsinthebox.1.TheAmazonRiverisoneofthe_________riversintheworld.It’salittle________thantheYangtzeRiver.2.Qomolangmais8,844.43meters_______.bigmuchpopularlongoldhighlongestlongerhigh4a

It’soneofthemost__________placesfor

seriousmountainclimbers.3.Nooceanintheworldisas________asthePacificOcean.4.AlthoughJapanis_______thanCanada,itis________smaller.popularbigoldermuche.g.Tworivers：_________________and________________________________________________________________________________________________________________________________________________Writetwocomparisonsabouttwotopics.Writetruefacts.

theYangtzeRivertheAmazonRiverTheYangtzeRiverisalmostaslongastheAmazonRiver.TheAmazonislongerthantheYangtze,buttheYangtzeisthelongestriverinChina. 4bTwocities：__________and_________________1._________________________________________2._________________________________________

__________________________________________Twoanimals：___________and_____________1.________________________________________2.________________________________________

________________________________________SingaporeKunlaLumpurKunlaLumpurisasmodernasSingapore.SingaporeisbiggerthanKunlaLumpurandhasalargerpopulationthanKunlaLumpur.MonkeyDogAdogisbiggerthanamonkey.Amonkeyissmallerthanadog,butitclimbsatreefasterthanadog.Writefivequestionsusingcomparisons.Thenaskyourpartneryourquestions.__________________________________________________________________________________________________________________________________________________________________________________________________________________Whatisthehighestbuildinginourcity?Whoistheoldestpeopleinourcity?Whatisthemostpopularstreetinourcity?Whatisthemostdeliciousfoodinourcity?Whereisthebusiestroadinourcity?4c1.WearegoingtotheGreenRestaurantforlunch.(劃線提問)

____________yougoingforlunch?2.Samistheshortestinhisclass.(改為同義句)

Samis________than___________studentinhisclass.Whereareshorterany

otherⅠ.改寫句子。ExercisesSamis__________than____________

studentsinhisclass.Samis_________than_______________inhisclass.3.HowdoyoulikeScreenCity?(改為同義句)_______doyou__________ScreenCity?Whatthinkofanyone

elseshortershorterthe

other

—Whowouldyouliketobeyourassistant,JackorDavid?—IfIhadtochoose,Davidwouldbethe

_________(good)choice.2.—Howwasyourmathexam,Nancy?—IthinkIdiditwell,althoughitwas

_____________(difficult)thanthelastone.Ⅱ.用括號內(nèi)所給單詞的適當形式填空。bettermoredifficult3.—Didyouhaveawonderfultimeattheparty?—Yes,it’sthe_______________(exciting)oneI’veeverbeento.I’dliketoknowifLindaisthesecond________(tall)girlinherclass.mostexcitingtallest5.Nowcomputersareverypopularandtheyaremuch________(cheap)thanbefore.6.—Lookatthatmodelship.—Oh,itlookslikearealone.It’sjustalittle_________(small)thantherealone.cheapersmallerⅢ.單項選擇。

1.Mybrotherhas____booksthanI.A.muchB.moreC.manyD.most2.Themoreyousmile,the_____youwillfeel.A.happyB.happierC.happilyD.morehappily3.-Wouldyoumindstayinginsuchanoisyroom?

-No,butmysonneedsa____placetostudyin.

A.cleanerB.quieter

C.saferD.smaller4.Theactressisalready50,butshelooks_____thanshereallyis.A.youngB.moreyoungC.moreyoungerD.muchyounger5.Sheis___carefulasI,butI’m____thanyou.A.as;muchcarefulB.so;morecarefulC.as;muchmorecarefulD.so;verycareful6.MrSmiththoughttheCenturyParkwasthesecond_____inShanghai.

A.largeB.larger

C.largestD.verylarge7.

Wecanjump___onthemoonthanontheearth.

A.morehigh

B.much

C.high

D.muchhigher

8.

Whenheheardthegoodnews,hefelt____.

A.happier

B.happiest

C.happy

D.happily1.Jack是他們班最高的男生。

Jack______________boy___hisclass.2.我現(xiàn)在感覺比昨天好多了。

I____much_________thanyesterday.3.—北京最好的季節(jié)是哪個？

—我覺得是秋天。Ⅳ.完成句子。isthetallestinfeelbetter—Whichisthebestseason