Unit7SectionA1a-2d課件人教版英語八年級下冊

人教版Goforit八年級下冊

Unit7

What’sthehighestmountainintheworld?

SectionA1a-2d

Whatsubjectshouldyoulearnwellifyouwanttotravel?geographymountaindesert

riverlakeocean/sea166.49萬平方公里122萬多平方公里118.3萬平方公里bigbiggerbiggestXinjiang

is

_____thantheotherprovinces(省)

in

China.

biggerInnerMongoliaAutonomousRegionTibetAutonomousRegionXinjiangUygurAutonomousRegion122.84萬平方公里Xinjiang

is

_______province(省)

in

China.

thebiggestbig大的bigger較大的biggest最大的面積/大小sizebigbiggerbiggest123high高的higher較高的highest最高的highesthigherhigh高度height123長度length123long長的longer較長的longest最長的longlongerlongest深度depthdeep深的deeper較深的deepest最深的deepdeeperdeepest123"Themostamazingthingintheworld"世界奇觀之最I(lǐng)t’sabout9,600,000___________________________.____________istheSahara?Howbigsquarekilometersinsize(面積)

million

thousandninemillion,sixhundredthousand

introduction（介紹）TheSahara撒哈拉沙漠[s??hɑ?r?]8,844.43metershigh6,670kilometerslong1,025metersdeep9,600,000squarekilometersinsize大于一千基數(shù)詞的表達(dá)1.從右往左，每三個數(shù)字分為一組，逗號隔開；2.從右往左，每個逗號對應(yīng)一個單位。第一個逗號對應(yīng)thousand（千），第二個逗號對應(yīng)million(百萬），第三個逗號對應(yīng)billion（十億）;3.讀數(shù)的時候，從左往右讀，先讀百以內(nèi)的數(shù)，再加上對應(yīng)的單位。通常在hundred的后面加and，如果百位數(shù)為0，則在thousand后加and；，，，thousandmillionbillionbillionmillionthousand2,648,507,616364,89516,842Readthenumbers2,6803,705It’s1,025meters______.HowdeepistheCaspianSea?deep

thousandonethousand

andtwenty-fiveTheCaspainSea里海[?k?spi?n]introduction（介紹）

It's6,671kilometers_______.____________istheNile?longHowlong

thousandsixthousand,sixhundred

andseventy-oneTheNile尼羅河[na?l]introduction（介紹）

It’s8,844.43meters______.HowhighisQomolangma?highintroduction（介紹）

thousandeightthousand,eighthundred

andforty-four,pointfourthree

pointQomolangma珠穆朗瑪峰[t???m??,la:?m?]Qomolangmaisthehighest

mountainintheworld.Qomolangmais_____thantheothermountainsintheworld.Qomolangmais_____thananyothermountainintheworld.higherhigher1bListenandcompletethesentences.1.Qomolangmais_________thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais_____________ofallthesaltlakes.4.TheNileis_____________riverintheworld.higherthebiggestthedeepestthelongestThe

Sahara

is

_____than

________deserts

in

the

world.2.The

Sahara

is

_____than

________desert

in

the

world.biggerbiggerany

otherthe

other3.The

CaspianSeais_____than________salt

lake

in

the

world.The

CaspianSeais_____than________salt

lakes

in

the

world.biggerbiggerany

otherthe

other4.TheNileis_____than_________rivers

intheworld.TheNileis_____than_________riverintheworld.any

otherthe

otherlongerlongertheothersQomolangmais8,844.43

metershigh.TheNileis6,671

kilometerslong.TheCaspianSeais1,025metersdeep.squarekilometers=km2度量單位（長，寬，高，深等）的表達(dá)：1.基數(shù)詞+單位詞（meter,kilometer,squarekilometers）+adj.adj：long，big，wide，high，deep2.基數(shù)詞+單位詞+in+n.n:length，size，width，height，depthTheSaharaisabout9,600,000

squarekilometersinsize.inlengthinheightindepthbigHow

long/big/long/high/deepis...?Whatis

length/size/length/theheight/depthof...?HowmuchdoyouknowaboutChina?historypopulation人口area面積

theYellowRiver

theYangtzeRiver___TheYangtzeRiverisabout_____kilometerslongandtheYellowRiveris_____kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.___Chinaisover_____yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven____yearsold.___ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.Listenandnumberthefacts[1-4]intheorderyouhearthem,thenfillintheblankswiththenumbers.2a&2b6,3005,4645,0003006,3005,0005,4643001432[1-4]策略：根據(jù)常識，聽前猜測答案What'sthepopulationofChina?HowmanypeoplearethereinChina?population人口.China

hasapopulationof

1,400,000,000.

中國有14億人口。Thepopulationof

Chinais1,400,000,000.中國有14億人口。

Infact,therearemanyplacesofinterestinChina.AndoneofthemistheGreatWall.

2d:ListenandcircletherightanswersWhichisthemostfamouspartoftheMingGreatWall?(Jiayuguan/Badaling)theMingGreatWallHowlongistheMingGreatWall?(about8,850kilometers/morethan8,850kilometers)Whydidtheancientemperorsbuildthewall?(toprotecttheircountry/tomakethewallfamous)Listenandcircle:

策略：畫關(guān)鍵詞Whoisinourclass?Dialogu