Unit7SectionA1a-2d课件人教版英语八年级下册

人教版Goforit八年级下册

Unit7

What’sthehighestmountainintheworld?

SectionA1a-2d

Whatsubjectshouldyoulearnwellifyouwanttotravel?geographymountaindesert

riverlakeocean/sea166.49万平方公里122万多平方公里118.3万平方公里bigbiggerbiggestXinjiang

is

_____thantheotherprovinces(省)

in

China.

biggerInnerMongoliaAutonomousRegionTibetAutonomousRegionXinjiangUygurAutonomousRegion122.84万平方公里Xinjiang

is

_______province(省)

in

China.

thebiggestbig大的bigger较大的biggest最大的面积/大小sizebigbiggerbiggest123high高的higher较高的highest最高的highesthigherhigh高度height123长度length123long长的longer较长的longest最长的longlongerlongest深度depthdeep深的deeper较深的deepest最深的deepdeeperdeepest123"Themostamazingthingintheworld"世界奇观之最It’sabout9,600,000___________________________.____________istheSahara?Howbigsquarekilometersinsize(面积)

million

thousandninemillion,sixhundredthousand

introduction（介绍）TheSahara撒哈拉沙漠[səˈhɑːrə]8,844.43metershigh6,670kilometerslong1,025metersdeep9,600,000squarekilometersinsize大于一千基数词的表达1.从右往左，每三个数字分为一组，逗号隔开；2.从右往左，每个逗号对应一个单位。第一个逗号对应thousand（千），第二个逗号对应million(百万），第三个逗号对应billion（十亿）;3.读数的时候，从左往右读，先读百以内的数，再加上对应的单位。通常在hundred的后面加and，如果百位数为0，则在thousand后加and；，，，thousandmillionbillionbillionmillionthousand2,648,507,616364,89516,842Readthenumbers2,6803,705It’s1,025meters______.HowdeepistheCaspianSea?deep

thousandonethousand

andtwenty-fiveTheCaspainSea里海[ˈkæspiən]introduction（介绍）

It's6,671kilometers_______.____________istheNile?longHowlong

thousandsixthousand,sixhundred

andseventy-oneTheNile尼罗河[naɪl]introduction（介绍）

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

thousandeightthousand,eighthundred

andforty-four,pointfourthree

pointQomolangma珠穆朗玛峰[tʃəʊməʊ,la:ŋmə]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度量单位（长，宽，高，深等）的表达：1.基数词+单位词（meter,kilometer,squarekilometers）+adj.adj：long，big，wide，high，deep2.基数词+单位词+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面积

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：根据常识，听前猜测答案What'sthepopulationofChina?HowmanypeoplearethereinChina?population人口.China

hasapopulationof

1,400,000,000.

中国有14亿人口。Thepopulationof

Chinais1,400,000,000.中国有14亿人口。

Infact,therearemanyplacesofinterestinChina.AndoneofthemistheGreatWall.

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

策略：画关键词Whoisinourclass?Dialogu