Unit3CountriesandCities【本讲教育信息】一.教学内容:第三单元第一部分能简单描述不同国家的人口、地理、语言等情况,并进行比较二.本周教学重点、难点:1.描述国家的人口、地理、语言等。2.“How+adjective”疑问句,及其回答。3.形容词的比较级。三.具体内容:(一)Askingaboutcountries,cities,andlanguages.1.—WhatisthecapitalofFrance?—It’sParis.2.—WhatlanguagedotheyspeakinAmerica?—TheyspeakEnglish.3.—WhereistheEiffelTower?—It’sinFrance.4.—Whatisthecountryfamousfor?—It’sfamousforthesilk.e.g.Mycountryisverylarge.Ithasmanybeautifullakes,riversandmountains.Mostpeopleliveinthesouthernpartofthecountrybecauseitisverycoldinthenorth.ThecapitalofmycountryisOttawa.MycountryiscalledCanada.(二)Questionswith“How+adjective”1.—HowlongistheNileRiver?—TheNileRiverisabout6,671kmlong.2.—HowhighistheGreatPyramid?—TheGreatPyramidis137metershigh.3.—HowfarisBeijingfromShanghai?—It’sabout1000km.4.—HowdeepistheGrandCanyon?—It’sabout…deep.(三)Comparativeadjectives形容词的原来形式在相比较概念中称做原级,与之比较,“更……的”称作比较级,“最……的”称作最高级。形容词变成比较级和最高级的构成规则1.一般单音节形容词和少数双音节词变成比较级,最高级,分别在词尾加er,est.情况变法例词一般情况加er,esttall—taller—tallest以e结尾时加r,stlarge—larger—largest以“辅音+y”结尾时变y为i,加er,esthappy—happier—happiest以重读闭音节结尾,末尾只有一个辅音字母时双写最后的辅音字母,再加er,estbig—bigger—biggestthin—thinner—thinnest对少数的双音节形容词,变比较级和最高级时也是如此。e.g.narrow—narrower—narrowestsimple—simpler—simplestclever—cleverer—cleverest2.一般双音节及多音节的形容词变比较级和最高级时,都要在前面加more,most.e.g.useful—moreuseful—mostusefuldifficult—moredifficult—mostdifficult3.不规则形式。原级比较级最高级many/muchmoremostgood/wellbetterbestbadworseworstlittlelessleastfarfarther/furtherfarthest/furthest4.有一些形容词没有比较级。e.g.ChineseEnglish,afraidawarealive,eastwest,rightleft,woodengolden,squareround…5.形容词比较级的用法。(1)所在的句子结构通常是:“含有形容词比较级的主句+引导的从句”,如从句省略,要保留同主句相比的部分及其修饰语。e.g.Mycompositionisshorterthanhers.IhavemoreEnglishbooksthanFrenchbooks.ThepenI’musingnowisbetterthantheoneIusedlastyear.(2)相比中,出现的程度和数量之差,须置于形容词比较级的前面。e.g.Iam2yearsolderthanmyyoungerbrother.Yourshoesare2sizesbiggerthanhers.Thisbookismoreexpensivethanthatone.6.形容词最高级的用法。用于两者以上的比较。通常前面加定冠词,并有一个表示范围的短语或从句。e.g.ItisthemostinterestingbookIhaveeverread.Johnisthetallestboyintheclass.Sheisthebeststudentintheschool.7.其他用法。(1)形容词的同级比较。表示两者一样时,用as…as,不及……时,用notso…as,notas…ase.g.Heisastallashiseldersister.Ireadlesson2asmanytimesaslesson1.InwinteritisnotsocoldinNanjingasinBeijing.(2)形容词比较级的单独用法。Areyoufeelingbetternow?Bemorecareful.Eatlessmeatandmorevegetable.Hehaslessmoney.(3)moreandmore越来越AfterMarch,theweatherisgettingwarmerandwarmer.Nowourcountryisgettingstrongerandstronger.Thegardenisbecomingmoreandmorebeautiful.(4)themore…themore越是……就越Themoreangryshebecame,themoretheylaughedather.Theharderyouwork,thebetteryouwilldo.四.课堂练习。(一)单选。1.CanadaisverylargebutRussiaisthanCanada.A.largeB.largerC.largestD.thelargest2.TheAralSeacontinuedtoget.A.smallB.smallerC.smallestD.thesmallest3.TheAmazonRivergoesthecountry.A.t...