Unit7SectionA（GrammarFocus-4c）课件人教版八年级英语下册

《Unit7What’sthehighestmountainintheworld?》SectionAGrammarFocus—4cGoforit!Grade8BookA

1.平方公里2.最高的山脉3.世界上4.其他任何一座山5.在所有的盐水湖中6.美国的人口7.与……一样大8.最古老的的国家之一9.第二长河10.最大的沙漠thehighestmountainthesecondlongestriverthebiggestdesertoneoftheoldestcountriesasbigasthepopulationoftheUSofallthesaltlakesanyothermountainintheworldsquarekilometer1.这张桌子两米长，一米宽。2.这座山有1500米高。3.这栋楼120米高。4.这个湖有多深？1025米深。5台州的人口是600万。Thetableistwometerslongandonemeterwide.Themountainis1,500metershigh.Thebuildingis120meterstall.Howdeepisthelake?It’s1,025metersdeep.

翻译句子ThepopulationofTaizhouissixmillion．1.Thisisa2,500-meter-longriver.(改为同义句)

Thisriveris2,500____________.

2.TheUSisnotaslargeasRussia.(改为同义句)

Russiais________________theUS.3.ThepopulationofAustraliais19,300,000.(画线提问)

_____________thepopulationofAustralia?4.Qomolangmaisthehighestmountainintheworld.

(改为同义句)

Qomolangmais____________________________________.meters

longlarger

thanWhat

ishigherthananyothermountainintheworldTestTimeThelongestwallintheworld.ThemanwhohasneverbeentotheGreatWallisn'tatrueman.What’stheconversationabout?A:It’saboutatourtotheMingGreatWall.B:It’sabouttheMingGreatWall.Readforthesecondtimeandanswer:Q1:HowlongistheMingGreatWall?Q2:Whatdoestheguidesayaboutthewall?It’sabout8,850kilometerslong.It’squitetalland______.It’s________________intheworld.The__________________builtit___________theirpartofthecountry.Thereareno_______________asbigasthis.Badalingis_________________partoftheMingGreatWall.widethelongestwallancientemperorstoprotectman-madeobjectsthemostfamousTheMingGreatWallisabout________kilometerslong.Itisthe________wallintheworld.The_______________builtthewallto________theirpartofthecountry.Thewallisquite________and_______.Andthereareno__________objectsas_______asthis.AndBadalingisthe_______________partoftheMingGreatWall.8,850longestancientemperorsprotecttallwideman-madebigmostfamousGrammarFocusWhat'sthehighestmountainintheworld?Qomolangma.HowhighisQomolangma?It's8,844.43metershigh.It'shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlakes.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.It'smucholderthantheUS.Grammarfocus—What’sthehighestmountainintheworld?—Qomolangma.—HowhighisQomolangma?—It’s8,844.43metershigh.It’shigherthananyothermountain.—Whichisthedeepestsaltlakeintheworld?—TheCaspianSeaisthedeepestofallthesaltlakes.—DidyouknowthatChinaisoneoftheoldestcountriesintheworld?—Yes,Idid.It’smucholderthantheUS.—What’s________mountainintheworld?—Qomolangma.—________isQomolangma?—It’s8,844.43metershigh.It’s______thananyothermountain.眼疾手快thehighestHowhigh

higher

—Whichis______saltlakeintheworld?—TheCaspianSeaisthe

deepest___allthesaltlakes.—DidyouknowthatChinaisoneof————countriesintheworld?—Yes,Idid.It’s____olderthantheUS.the

deepestofthe

oldestmuch

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—cleverest

形容词、副词的比较级和最高级规则变化和不规则变化2)以e结尾的词，比较级＋r，最高级＋st

即可。如：nice—nicer—nicest

3)以辅音字母＋y结尾的变y为i＋er或est

如:easy—easier—easiest

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：①

fat—fatter—fattest

②thin—thinner—thinnest

③hot—hotter—hottest

5)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－themostbeautiful双音节的词如:

useful－moreuseful－themostuseful少数单音节词也是这样，如：pleased—morepleased—themostpleasedb)不规则变化：

good/well—better—best

bad/ill—worse—worst

many/much—more—most

littlelessleastfar—farther/

further—farthestfurthestadjectivescomparativessuperlativeshighdangerouslongpopulardirtylittlebiglargeinterestingfastExercise

4aFillintheblankswiththecorrectformsofthewordsinthebox.bigmuchpopularlongoldhighTheAmazonRiverisoneofthe______riversintheworld.It’salittle________thantheYangtzeRiver.2.Qomolangmais8,844.43meters_______.It’soneofthemost_______placesforseriousmountainclimbers.3.Nooceanintheworldisas________asthePacificOcean.4.AlthoughJapanis_________thanCanada,itis_________smaller.(2)看到river能预测出会选择形容词long修饰，看到oneof+名词复数，预测用形容词最高级；看到alittle、than能预测出填形容词比较级。longestlongerhigh

popular

bigoldermuchCanyouwritethesamesentences?

（观察4a中的句子3，你能写出这句话的同义句吗？）NooceanintheworldisasbigasthePacificOcean.=_____________________________________________=_____________________________________________=_____________________________________________=_____________________________________________

Writetwocomparisonsabouttwotopics.Writetruefacts.4bCitiesAnimalsPopulation/mountain/river/building/bridge/shoppingmallhistory/food/weatherHeight/weight/size/food/color/personality/looks/runningspeed…ShowtimeTworivers:_______________and_______________TheYangtzeRiverisalmostaslongastheAmazonRiver.TheAmazonislongerthantheYangtze,buttheYangtzeRiveristhelongestriverinChina.theYangtzeRivertheAmazonRiver(6,300km)（6,440km）4cGroupworkWritefivequestionsaboutChengduusingcomparisons.Thendiscussyourquestionsingroups.1._________________________________2._________________________________3._________________________________4._________________________________5._________________________________WhatisthehighestbuildinginChengdu??WhatisthelargestsinglebuidinginChengdu?WhichisthebusiestroadinChengdu?WhatisthemostpopularstreetinChengdu?WhatisthemostdeliciousfoodinChengdu?GuessinggameExercises1.Sheis________than________.A.busier/usB.busier/weC.morebusy/usD.morebusy/we2.Janeis________thanBetty.A.lesstallerB.lesstallestC.lesstallD.notastall3.Chinais________countryinthewor