初中英语八年级下册SectionAGrammarfocusa-4c“十市联赛”一等奖

SectionAGrammarfocus4a—4cObjectivesTolearntousecomparativesand

superlativeswithadjectivesandadverbsTolearnnewwords:thePacificOcean…ReviewCanyoutranslatethefollowingsentences?长江大约长6,300千米。TheYangtzeRiverisabout6,300kilometers

long.ReviewCanyoutranslatethefollowingsentences?明朝的长城大约有8,850千米长。TheGreatWallinMingdynastyisabout8,850kilometers

long.ReviewCanyoutranslatethefollowingsentences?珠穆朗玛峰高8,844.43米，所以攀登起来很危险。Qomolangmais

8,844.43meters

highandsoisverydangeroustoclimb.TheYangtzeRiverisabout6300kilometers

long.TheGreatWallinMingdynastyisabout8,850kilometers

long.Qomolangmais

8,844.43meters

highandsoisverydangeroustoclimb.Whatcanyougetfromtheabovefoursentences?Nowlet’strytotranslatethesentencesbelow:那个篮球运动员有两米高。那条河只有两米深/宽。这棵树有两米高。Thebasketballplayeristwometerstall.Theriverisonlytwometersdeep/wide.Thetreeistwometerstall.长度、宽度、高度、深度的表示法老虎路有200米长，而且湿度很重。TigerPathis200meterslongandhasahighhumidity.长度、宽度、高度、深度的表示法，有一个专门的结构，那就是“基数词+单位词+形容词”PractiseGrammar1)Qomolangmaishigherthan

anyothermountainintheworld.2)TheSaharaisthebiggestdesertintheworld.3)TheCaspianSeaisthedeepestofallthesaltlakes.4)TheNileisthelongestriverintheworld.5)What’sthehighestmountainintheworld?6)Chinahasthebiggestpopulationintheworld.7)It’salotbiggerthanthepopulationoftheUS.8)Chinaisover5000yearsold.IthasamuchlongerhistorythantheUS.9)ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.GrammsarFocuWhat’sthehighestmountainintheworld?Qomolangma.HowhighisQomolangma?It’s8,844.43metershigh.It’shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlakes.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.It’smucholderthantheUS.形容词、副词的比较级和最高级概述：

英语中的形容词和副词有三个等级，即原级、比较级和最高级。原级用于同级比较as...as...

ZhangHongisastallasTom.

比较级主要用于两者之间作比较。形容词、副词比较级＋than...Heistaller

thanI.

最高级主要用于三者或三者以上进行比较。the形容词、副词最高级+of\inHeisthetallest.形容词和副词变化规则：规则变化①直接加-er或-esttall—taller—tallestlong—longer—longest②以不发音的字母e结尾的单词直接加-r或-st③以“辅音字母+y”结尾，把y变为i，再加-er或-estnice—nicer—nicestheavy—heavier—heaviest④重读闭音节（末尾只有一个辅音字母）

双写辅音字母再加-er或-est⑤部分双音节词和多音节词

分别在原级前加more构成比较级和most构成最高级big—bigger—biggestslowly—moreslowly—mostslowlybeautiful—morebeautiful—mostbeautiful原级比较级最高级good/wellbetterbestbad/illworseworstmany/muchmoremostlittlelessleastoldolder/elderoldest/eldestfarfarther（更远）/further（进一步的）farthest/furthest不规则变化（1）使用比较等级的基本原则：不作比较用原级，

两者比较用比较级，多者比较用最高级。（2）在形容词最高级前通常用the，在副词最高级前

可用the，也可省略。（3）比较级前常用的修饰语有

far，even，alot，abit，much等。使用比较等级应注意的几点：Practice—Whowouldyouliketobeyourassistant,JackorDavid?—IfIhadtochoose,Davidwouldbethe______(good)choice.2.—Howwasyourmathexam,Nancy?—IthinkIdiditwell,althoughitwas____________(difficult)thanthelastone.I.用括号内所给单词的适当形式填空。bettermoredifficult3.—Didyouhaveawonderfultimeattheparty?—Yes,it’sthe_______________(exciting)oneI’veeverbeento.I’dliketoknowifLindaisthesecond______(tall)girlinherclass.mostexcitingtallest5.Nowcomputersareverypopularandtheyaremuch_______(cheap)thanbefore.6.—Lookatthatmodelship.—Oh,itlookslikearealone.It’sjustalittle_______(small)thantherealone.cheapersmallerII.Multiplechoice1.Mybrotherhas____booksthanI.A.muchB.moreC.manyD.most2.Themoreyousmile,the_____youwillfeel.A.happyB.happierC.happilyD.morehappily3.—Wouldyoumindstayinginsuchanoisyroom?—No,butmysonneedsa____placetostudyin.[2011宁波]A.cleanerB.quieterC.saferD.smaller4.Theactressisalready50,butshelooks_____thanshereallyis.[2011广州]A.youngB.moreyoungC.moreyoungerD.muchyounger5.Sheis___carefulasI,butI’m____thanyou.[2011潍坊]A.as…muchcarefulB.so…morecarefulC.as…muchmorecarefulD.so…verycareful6.MrSmiththoughttheCenturyParkwasthesecond_____inShanghai.[2011上海]A.largeB.largerC.largestD.verylarge7.

Wecanjump___onthemoonthanontheearth.

A.morehigh

B.much

C.high

D.muchhigher

8.

Whenheheardthegoodnews,hefelt____.

A.happier

B.happiest

C.happy

D.happily9.

The___heis,the___hefeels.

A.busy;happy

B.busiest;happiest

C.busier;happier

D.busy;happily

10.

IthinkEnglishisas____asmaths.

A.important

B.moreimportant

C.mostimportant

D.importanter11.—Whatdoyouthinkofthedress?—Wonderful.Idon’tthinkIcanfinda___one.[2011河南]A.goodB.betterC.badD.worst12.

Thatbuildingisabout100meters___.

A.tall

B.high

C.taller

D.higher13.

JoneSmithis___ofthetwoyoungmen.

A.strong

B.stronger

C.thestronger

D.thestrongest

14.

Ourclassroomis____inthewholeschool.

A.cleanest

B.thecleanest

C.cleaner

D.thecleaner15.Iknowyouareshorterthanyourbrothers，butyourun_________.【2013内蒙古呼和浩特】

A.morefaster B.fastestC.morefast D.fast16.Whoruns___,LilyorMichelle?

【2013湖南株洲】

A.slowB.slowerC.slowestExercisesontextbookFillintheblankswiththecorrectformsofthewordsinthebox.4abigmuchpopularlongoldhighTheAmazonRiverisoneofthe_______riversintheworld.It’salittle_____thantheYangtzeRiver.Qomolangmais8,848.43meters_____.It’soneofthemost________placesforseriousmountainclimbers.longestlongerhighpopularbigmuchpopularlongoldhigh3.Nooceanintheworldisas___asthePacificOcean.4.AlthoughJapanis_____thanCanada,itis_____smaller.bigoldermuch4bWritetwocomparisonsabouttwotopics.Writetruefacts.Tworivers:________________and_________________________________________________________________________________________________________________________________________________________________theYangtzeRivertheAmazonRiverTheAmazonislongerthantheYangtze,buttheYangtzeisthelongestriverinChina.

TheYangtzeRiverisalmostaslongastheAmazonRiver.Examples:Twocities:Shanghai

andSydneySydneyisasmodernasShanghai.2.ShanghaiismuchsmallerthanSydney,butithasalargerpopulationthanSyndey.Twoanimals:MonkeyandDogAdogisbiggerthanamonkey.Amonkeyissmallerthanadog,butitclimbsatreefasterthanadog.Pairwork4cWritefivequestionsusingcomparisons.Thenaskyourpartneryourquestions.Whatisthehighestbuildinginourcity?Whatisthelargestshoppingmallinourcity?Whichisthebiggestparkinourcity?Whic