Unit7SectionA1a-2a课件人教版英语八年级下册

Unit7What’sthehighestmountainintheworld?SectionA1,025Doyouknowthisnumber?Howtoreadit?onethousandandtwenty-five6,671sixthousand,sixhundred

and

seventy-one9,600,000ninemillion,sixhundredthousand8,844.43Whatdoesitreferto?TheheightofQomolangmais8,844.43meters.Qomolangmais8,844.43metershigh.eightthousand,eighthundredandforty-fourpointfourthree1.怎么读大数字(largenumbers)?9,600,0001,0256,6718,844.43ninemillion,sixhundredthousandonethousandandtwenty-fivesixthousand,sixhundredandseventy-oneeightthousand,eighthundredandforty-fourpointfourthree按照单位，三位一读；and放在百位之后；小数点读作point；小数点后面的数字依次读出即可5,863.992,760489,345fivethousand,8hundredandsixty-threepointnineninety-twothousand,sevenhundredandsixtyfourhundredeighty-ninethousand,threehundredandforty-five试着自己读一读8,965,4329,876,543,213eightmillion,ninehundredsixty-fivethousand,fourhundredandthirty-fiveninebillion,eighthundredseventy-sixmillion,fivehundredforty-threethousand,twohundredandthirteen试着自己读一读Areyougoodatgeography?Let’stakeaquiz!1.Whatisthelongestriverintheworld?2.

Whatisthesecondlongestriverintheworld?3.Whatisthethirdlongestriverintheworld?4.WhatisthesecondlongestriverinChina?TheNileTheAmazonRiverTheYangtzeRiverTheYellowRiverLanguageGoal:Talkaboutgeographyandnature1a.Matchthefactsyouknow.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh平方千米1b.Listenandcompletethesentences.1.Qomolangmais_____thananyothermountainintheworld.2.TheSaharais__________desertintheworld.3.TheCaspianSeais__________ofallthesaltlakes.4.TheNileis__________riverintheworld.

higher

the

biggestthe

deepestthe

longest1b.听力材料Teacher:Yesterday,we

learned

some

important

geographical

facts.

I

hope

you

all

still

remember

them.

I’m

going

to

test

you

now

by

asking

a

few

questions.First,

what’s

the

highest

mountain

in

the

world?

Boy

2:Qomolangma!

It’s

higher

than

any

other

mountain

in

the

world.

Teacher:That’s

right.

And

who

can

tell

me

what

the

Sahara

is?Girl

1：The

Sahara

is

the

biggest

desert

in

the

world.

adj.地理的Teacher:Very

good.

And

which

is

the

deepest

salt

lake

inthe

world?Girl

2:The

Caspian

Sea

is

the

deepest

of

all

the

salt

lakes.

Teacher:You’re

all

so

smart!

Now,

for

the

last

question,

which

is

the

longest

river

in

the

world?

Boy

1:I

know!

The

Nile

is

the

longest

river

in

the

world.

Boy

2:And

the

Amazon

is

the

second

longest

river

in

the

world.

Teacher：It

seems

that

you

know

the

answers

to

allmy

questions.

Good

job!

1c.Usetheinformationin1btomakeconversations.A:Whatisthehighestmountainintheworld?B:Qomolangma.A:What’s

the

________

in

the

world?B:________________.2.anyother+n[C].单数

其他任何一个=theother＋n[C].复数

=theothers常用语比较级句型，表达最高级含义Peterrunsfasterthananyotherstudent/theotherstudents/theothersinhisclass.彼得比班上其他任何一个同学/其他所有的同学都跑得快。—DoyouknowShanghaiisoneof____intheworld?—Yes,it’sbiggerthan____cityinChina.A.thebiggestcity;anyB.thebiggestcities;anyC.thebiggestcities;anyotherConeof+the+adj.最高级+n[C].复数最…的…之一3.最高级句式中介词of和in的区别TheCaspianSeaisthedeepestofallthesaltlakes.Sheistheoldestofusall.TheNileisthelongestriverintheworld.Heisthetallestintheclass．of表属性，意为“在…当中”，后接n[C].复数（有时可省略）或代词，句子主语和of后的名词是同类相比（即人与人比较、物与物比较）。in表“在…范围”之内，后接单数地点n.，句子主语和in后的名词是人或物与地点的关系。用in或者of填空：1)Billistheyoungest____ourschool．2)Maryistheyoungest____thethree(girls)．inof6,3005,0005,464300TheYangtzeRiverisabout______kilometerslongandtheYellowRiveris______kilometerslong.Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.Chinaisover______yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_____yearsold.ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.422a.Listenandnumberthefacts[1－4]intheorderyouhearthem.13n.人口亚洲6,3005,0005,464300TheYangtzeRiverisabout______kilometerslongandtheYellowRiveris______kilometerslong.Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.Chinaisover______yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_____yearsold.ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.422b.Listenagainandfillintheblanksin2awiththenumbersinthebox.13n.人口亚洲6,300

5,4643005,0002a&2b听力材料Mike：Hi,

I’m

Mike.

I’m

from

the

United

States.

Boy:Welcome

to

our

class,

Mike.

We’re

happy

to

meet

you.Mike：Can

you

tell

me

a

bit

more

about

China?

Girl:Sure!

Did

you

know

that

China

is

one

of

the

oldest

countries

in

the

world?

It’s

over

5,000

years

old.

Mike：Yes,

I

did.

It’s

much

older

than

my

countryin

fact,

the

United

States

is

one

of

the

youngest

countries

in

theworld.

It’s

not

even

300

years

old.

Boy:And

China

has

the

biggest

population,

too.

It’s

a

lot

biggerthan

the

population

of

the

United

States.

Mike：But

China

is

about

the

same

size

as

the

US,

right?

Girl:Yes,

and

it’s

the

biggest

country

in

Asia.

We

also

have

some

famous

rivers.

The

Yangtze

River

is

the

longest

river

in

Asia.

It’s

about

6,300

kilometers

long.Mike:Wow!

I

didn’t

know

that.

I

thought

the

Yellow

River

was

longer.Boy:No,

the

Yellow

River

is

5,464

kilometers

long.

But

both

rivers

are

very

important

to

China.2c.Makeconversationsusingtheinformationin2a.A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.It'smucholderthanmycountry.4.populationn.人口；人口数量Thepopulation____(be)increasingat6%peryear.人口正以每年6%的速度增加。Nearly70percentofthepopulationstill____(live)inthecountryside.接近70%的人口仍住在乡村。集合名词，主语是“人口数量”时谓语动词用单数；主语是“人口的百分之几、几分之几”时，谓语动词用复数。islive4.populationn.人口；人口数量Theoldtownhasasmall/largepopulation.这座古镇的人口很少/多。表人口“多少”时，“多”用large/big“少”用smallpopulation和people的区别前者通常用what来提问，后者用howmany来提问。翻译：中国有多少人口？What’sthepopulationofChina?HowmanypeoplearethereinChina？

5.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?你知道中国是世界上最古老的国家之一吗？Iremindedherthatshedidn’tclosethedoor.我提醒她她没关门。Hetoldmethatthesunrisesintheeast.他告诉我太阳从东方升起。(客观事实)1）由that引导的宾语从句，从句一般与主句时态一致；但从句表客观事实或真理时，即使主句是过去时，从句也要用一般现在时。Myteachertoldmethatlight__athighspeed.A.traveled

B.wouldtravelC.travelsCOneofthegirlsismysister.这些女孩中有一个是我妹妹。2）“oneof+the+adj.最高级+n[C].复数”

，表示“最…的…之一”；“oneof...”作主语时，谓语动词用单数。翻译：我是我们班最高的学生之一。I’moneofthetalleststudentsinourclass.theGreatWallListento2dandanswerthequestions.HowlongistheGreatWall?Whydidtheancientemperorsbuildthewall?WhichpartisthemostfamousoftheGreatWall?Ifwe’reonlytalkingaboutthepartsfromtheMingDynasty,it’sabout8,850kilometerslong.Themainreasonwastoprotecttheirpartofthecountry.Badalingpart2d.Role-playtheconversation.Guide:Feelfreetoaskmeanythingontoday'sGreatWalltour.Tourist1:Howlongisthewall?Guide:Ah,themostpopularquestion!Ifwe’reonlytalkingaboutthepartsfromtheMingDynasty,it’sabout8,850kilometerslong.Thismakesitthelongestwallintheworld.feelfreetodosth.请随意做某事；请不要感到拘束明朝Tourist2:Wow,that’samazing!Whydidtheancient

emperorsbuildthewall?Guide:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee,it’squitetallandwide.AsfarasIknow,therearenootherman-madeobjectsasbigasthis.Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,it'sthemostfamouspart.据我所知5.tourn.&vt.旅行；旅游We’replanningtogoonatour.我们计划去旅行。Everyyear,lotsofpeopletourIndia.每年，许多人去印度旅行。goonatour去旅行touristn[C].游客用tour的适当形式填空：The______ishavinganinteresting_____inChinaandhe_____manyplacesofinteresteveryyear.这个游客正在中国进行一次有趣的旅行，他每年都去很多名胜古迹旅游。touristtourstour6.amazingadj.令人大为惊奇的；令人惊喜的Tomyamazement,yourspeechwassoamazingthattheaudiencewas/wereamazed.让我惊奇的是，你的演讲如此令人惊喜以至于观众们也大为惊奇。amazedadj.感到惊奇/惊喜的amazementn[U].惊奇；惊异toone’samazement让某人惊奇/惊异的是7.protectv.保护；防护Theysattogethertoprotectthemselvesfromthe