【文档说明】《Unit 7 What’s the highest mountain in the world Section A Grammar focus 4a-4c》教学课件7-八年级下册新目标英语【人教版】.ppt,共(29)页,2.629 MB,由小喜鸽上传
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EnjoyasongThemorewegettogether.TheThirdPeriodEnjoyasongThemorewegettogether.First,let’swatchashortEnglishplay.Whatdidyoulea
rnfromthisstory?Whoisthebest/funniestperformer?Whatisthehighestmountainintheworld?Whatisthelongestriverintheworld?WhatisthelongestriverinA
sia?Whatisthebiggestlakeintheworld?8,844.436,671Whatisthebiggestdesertintheworld?9,600,0001,0256,300Whatisthedeepestsaltlakeintheworld?—
What’sthehighestmountainintheworld?—Qomolangma.—HowhighisQomolangma?—It’s8,844.43metershigh.It’shigherthananyothermountain.—Whichisthedeepes
tsaltlakeintheworld?—TheCaspianSeaisthedeepestofallthesaltlakes.—DidyouknowthatChinaisoneoftheoldestcountriesintheworld?—Yes,Idid.
It’smucholderthantheUS.英语表示“有多长(宽,高…)”时,一般将数词和数量单位放在表示长、宽、高的形容词前作状语。Grammar(Ⅰ)*Sth./Sb.is...long/wide/high/tall/deep...Eg.Thedeskisthreemetre
slong,onemeterwideandtwometershigh.1.Thebasketballplayerisovertwometerstall.2.Thelakeisonly2.5metersdeep.3.Th
eriverisabouttwokilometerslong.4.Themountainistwothousandmetershigh.5.Thehouseisaboutfivemeterswide.这位篮球运动员两米多高。这个湖只有2.5米深。这条河长约两公里
。这座山有二千米高。这间房子大约有5米宽。Translate:三个等级:1.原级:同级比较(像/和..….一样)Structure:*①as+adj./adv.+asGrammar(Ⅱ)e.g.SheisasthinasLily.Hewritesascarefullya
sLinda.*②not+as/so+adj./adv.+ase.g.Tonydoesn’trunsofastasTom.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.To
misthetallestofthethreeboys.Zhaoisthemostpopularinourclass.e.g.Thisboxisbiggerthanthatone.规则变化1)一般情况下,单音节或双音节的形容词/副词比
较级+er,最高级+est。如:clever—cleverer—cleverestfew—fewer—fewestsmall—smaller—smallest等。2)以e结尾的词,比较级+r,最高级+st即可。如:nice—nicer—nicestcute—cuter—cutestlarge—l
arger—largest3)以辅音字母+y结尾的变y为i+er或est如:easy—easier—easiesthappy—happier—happiest再如:early,busy,heavy,dirty,lazy也如此。*4)重读闭音节,单辅音结尾的,双写
这个辅音字母+er或est的词:①fat—fatter—fattest②thin—thinner—thinnest③hot—hotter—hottest④red—redder—reddest⑤wet—wett
er—wettest⑥big—bigger—biggest5)多音节和部分双音节的词需要在形容词原级前+more构成比较级,+themost构成最高级。如:beautiful-morebeautiful-themostbea
utiful又如:delicious,popular,important,interesting,expensive,creative双音节的词如:careful-morecareful-themostcarefuluseful-moreuseful-themostuseful*
少数单音节词也是这样,如:pleased—morepleased—themostpleasedtired—moretired—themosttiredb)不规则变化:good—better—bestwell—better—bestbad—worse—worstmany/much—mo
re—mostfar—farther—farthest(距离远)far—further—furthest(程度深)old—elder—eldest(长幼)old—older—oldest(年龄)1.比较级考点①比较级修饰词alittle,abit,even,s
till,much,alot,far等可修饰比较级。e.g.TomisalittletallerthanJim.Thisbookismuchmoreinterestingthanthatone.②同类比较e
.g.TheweatherinBeijingiscolderthanthatinAnhui.ThestudentsinClass2aremorethanthoseinClass1.Ourschooli
sbiggerthanyours/yourschool.③the+比较级+ofthetwo…e.g.Lucyisthefatterofthetwogirls.④“a/an+比较级”表示“又一,再一”e.g.Lilyhasadoll,butshewantsabiggerone.⑤
隐性比较(没有than的情况)e.g.Whorunsfaster,LucyorLily?You’dbettercomeearliernexttime.Heworkedhardlastterm,butheworksevenharderthisterm.
⑥a.越来越......*比较级+and+比较级It’sgettinghotterandhotter.Ourschoolisbecomingmoreandmorebeautiful.b.越……越….*the
+比较级+句子,the+比较级+句子Themoreyouexercise,thehealthieryouare.Theharderyoustudy,thebettergradesyouwillget.Themorewegettogether,thehappierwe’llbe.2.最高级考点①形
容词的最高级前必须加the;副词的最高级前省略the。e.g.Hestudies(the)hardestinourclass.Sheisthemosthard-workinginourclass.*②“......之一”问题e.g.Beijingisoneoft
hebiggestcitiesintheworld.*③“the+序数词+最高级”e.g.Ithinkheisthethirdtallestboyinhisclass.TheYellowRiveristhesecondlongestriverinChina.Fill
intheblankswiththecorrectformsofthewordsinthebox.bigmuchpopularlongoldhigh1.TheAmazonRiverisoneofthe_______riversintheworld.It’salittle_____
__thantheYangtzeRiver.2.Qomolangmais8,844.43meters_____.It’soneofthemost________placesforseriousmountainclimbers.longestlongerh
ighpopular4a['æməzən](6416km)3.Nooceanintheworldisas_____asthePacificOcean.4.AlthoughJapanis_______thanCanada,itis_______smaller.bigoldermuch太平
洋n.大海;海洋[pə'sɪfɪk]['oʃən]Writetwocomparisonsabouttwotopics.Writetruefacts.Tworivers:_________________and_
__________________________________________________________________________________________________________
________________________________________________________________________________4bTheYangtzeRiverisalmostaslongastheAmazonRiver.TheAmazonisalit
tlelongerthantheYangtze,buttheYangtzeRiveristhelongestriverinChina.theYangtzeRivertheAmazonRiver[kəm'pærəsnz](比较)((6,416km)Twoani
mals:___________and_________1.___________________________________2.__________________________________________
______________________________MonkeyDogAdogisbiggerthanamonkey.Amonkeyissmallerthanadog,butitclimbsatreefasterthanadog.Wr
itefivequestionsusingcomparisons.Thenaskyourpartneryourquestions.1._________________________________2._________________________________3.__
_______________________________4._________________________________5._________________________________4cWhatisthehighestmo
untaininourcity?Whatisthelongestriverinourcity?Whatisthelargestsupermarketinourcity?Whatisthebiggestla
keinourcity?Whatisthebusiestroadinourcity?Writedowntheanswers.TheYellowMountainThePuxiRiverTaipingLakeBeihaiRoad1.Toreadt
hegrammarfocusandmemorizetheimportantphrasesandsentences.2.Tomakesomesentencesin4band4c.