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Unit7What’sthehighestmountainintheworld?课时重点回顾形容词及副词的原级、比较级和最高级。1)Chinahasthebiggestpopulationintheworld.2)It’salotbiggerthanthepo

pulationoftheUS.3)Chinaisover5000yearsold.IthasamuchlongerhistorythantheUS.4)ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.大多数形容词有三

个级。1.原级:Structure:as...as...像..….一样e.g.TimisastallasTom.2.比较级(用于两者之间的比较):Structure：形容词比较级＋than...e.g.Thisboxisbiggerthanth

atone.3.最高级(用于三者或三者以上的比较):Structure:the+形容词的最高级＋of/in...e.g.Tomistheheaviestinourclass.Heisthemostpopularinourschool.1)Qomolangmai

s______thananyothermountainintheworld.2)TheSaharais__________desertintheworld.3)TheCaspianSeais__________ofallthesal

tlakes.4)TheNileis___________riverintheworld.5)What’s__________mountainintheworld?Fillintheblanks.higherthebig

gestthedeepestthelongestthehighestgoReady?Fillintheblankswiththecorrectformsofthewordsinthebox.4abigmuchpopularlongoldh

igh1.TheAmazonRiverisoneofthe_______riversintheworld.It’salittle_____thantheYangtzeRiver.2.Qomolangmais8,8

48.43meters_____.It’soneofthemost________placesforseriousmountainclimbers.longestlongerhighpopularbigmuchpopularlo

ngoldhigh3.Nooceanintheworldisas___asthePacificOcean.4.AlthoughJapanis_____thanCanada,itis_____smaller.bigoldermuch1.-Whic

his____seasoninBeijing?(2003年)-Ithinkit'sautumn.A.goodB.betterC.bestD.thebest该题的核心词为season。根据比较级与最高级的知识,两者之间用比较级,而三者或三者以上用最高级,北

京有四季,因此本题应选择最高级。又因为形容词最高级前要加定冠词the,因此答案为D。2.-Whichis__________,thesun,themoonortheearth?(2004年)--Ofcourse,themooni

s.A.smallB.smallerC.smallestD.thesmallest解析：正确答案为D。该题的核心词在第一句句尾，"thesun,themoonortheearth",提问的对象为三者，应该选择最高级。3.TheairinBeijingis

gettingmuch_____nowthanafewyearsago.(2005年)A.cleanB.cleanerC.cleanestD.thecleanest该题的核心词为than，than一词是比较级的标志。4.Mob

ilephonesareverypopularnowandtheyare_____thanbefore.(2005年)A.cheapB.cheaperC.cheapestD.thecheapest该题与第三题相

似，核心词为than。