2022年八年级英语下册Unit7What'sthehighestmountainintheworldSectionA(1a-2d)课件新版人教新目标版

Unit7

What’sthehighestmountainintheworld?SectionA(1a-2d)任务一:根据Model,描述以下三大景观Qomolangma;

8,848.86

meters

highModel:Qomolangmais8,848.86metershigh.Itisthehighestmountainintheworld.the

Nile;

6,

671

kilometers

long1.The

Nile

is

6,671

kilometers

long.It

is

the

longest

river

in

the

world.

the

Caspian

Sea;

1,

025

meters

deep2.The

Caspian

Sea

is

1,025

meters

deep.It’s

the

deepest

lake

of

all

the

salt

lakes.

the

Sahara;

about

9,

600,

000

square

kilometers

in

size3.The

Sahara

is

about

9,600,000

square

kilometers

in

size.It’s

the

biggest

desert

in

the

world.

任务二:

词组连线

1.1,

025

meters

deep

1

025米深6,

671

kilometers

long

6

671千米长8,848.86

meters

high

8,848.86米高剖析

(1)此处为“基数词+meters/kilometers+deep/long/wide/high”结构,表示某物有多深、多长、多宽、多高等。TheYellowRiveris5,464kilometerslong.黄河有5464千米长。Thestreetis10meterswide.这条街有10米宽。(2)数字的读法百位以上数字的表达方式1,000读作:a/onethousand10,000读作:tenthousand100,000读作:a/onehundredthousand1,000,000读作:a/onemillion1,000,000,000读作:a/onebillion比如:1,234读作:onethousand,twohundredandthirty-four4,567,809读作:fourmillion,fivehundredandsixty-seventhousand,eighthundredandnine5,678,720,000读作:fivebillion,sixhundredandseventy-eightmillion,sevenhundredandtwentythousand2.China

has

the

biggest

population

in

the

world.中国拥有世界上最多的人口。剖析

population作名词,意为“人口,人口数量”。population单独作主语时,谓语动词用第三人称单数形式。Thepopulationofthecityis300,000.这个城市的人口是30万。拓展

①分数或百分数修饰population作主语时,

谓语动词常用复数形式。Thirty

percent

of

the

population

live

in

the

city.30%的人口住在城市。②对人口的数量提问用what。What’s

the

population

of

Beijing?北京的人口是多少?③表示某地有多少人口时用“have

a

pop