资源简介

(共21张PPT)
Unit 7
What's the highest mountain in the world？
Section A 1a-1c
Aims
Learn to talk about geography and nature.
Develop students’ listening and speaking skills.
Learn to compare facts and figures.
Warming up
the earth
One earth and one family.
We live on the earth.
Warming up
Let’s enjoy the beauty of nature!
mountain
desert
river
lake
salt lake
fresh lake
sea
Warming up
Do you like geography classes
We can learn all kinds of weathers... in the word.
We can learn ...
many tops in the world.
Warming up
Lead in
What’s the highest mountain in the world
It’s Qomolangma.喜马拉雅山
[ 't um u,la: m ]
How high is it
It's 8,848.86 meters high.
eight thousand eight hundred and forty-eight point eight six
Lead in
Can you read the numbers
10
25
100
175
1,000
1,342
1,000,000
2,300,000
3.54
ten
twenty-five
one hundred
one hundred and seventy-five
one thousand
one thousand three hundred and forty-two
one million
two million three hundred thousand
three point five four
Presentation
Have a try!
86，510
eighty-six thousand five hundred and ten
2，019
two thousand and nineteen
7，725，385
seven million seven hundred and twenty-five thousand three hundred and eighty-five
英语里没有万，十万的表达
一万：ten thousand 十万： one hundred thousand 百万 million
百位数没有，不读
Presentation
Summary
把长数字分为3个数字一组，用逗号隔开，从右到左，
把第一个逗号看作thousand，第二个逗号看作million,第三个逗号是billion
7899256
7 , 899 , 256
seven million eight hundred and ninety-nine thousand two hundred and fifty-six
“and” 只有十位数和百位数之间出现
百位数没有数字时，thousand 和 十位数之间，and不省略
45567
45 , 567
forty-five thousand five hundred and sixty-seven
小数点后面的数字按单个读
Presentation
What’s the biggest desert in the world
It’s the Sahara.撒哈拉沙漠
[ s 'ha:r ]
How big is it
It's 9,600,000 square kilometers in size.
平方公里 面积
nine million six hundred thousand
Presentation
Which is the deepest salt lake in the world
It’s the Caspian Sea.里海
[ 'k spi n ]
How deep is it
It's 1,025 meters deep.
one thousand and twenty-five
Presentation
Which is the longest river in the world
It’s the Nile.尼罗河
[nail ]
How long is it
It's 6,671 meters long.
six thousand six hundred and seventy-one
Practice
Match the facts you know.
Qomolangma about 9,600,000 square kilometers in size
The Sahara 1,025 meters deep
The Caspian Sea 6,671 kilometers long
The Nile 8,848.86 meters high
Listening
Listen and complete the sentences.
1. Qomolangma is ______ than any other mountain in the world.
2. The Sahara is ____________ desert in the world.
3. The Caspian Sea is ____________ of all the salt lakes.
4. The Nile is _________ river in the world.
higher
the biggest
the deepest
the longest
“比较级+ than any other +名词+其他”
表示“比其他任何一个……都……”
注：该结构可与“the+最高级+其他”相互转换
Listening
Practice
Group-work :Introduce the tops of China .
--What’s the longest river in China.
--The Yangtze River.
--What’s the biggest fresh lake in China.
--The Poyang Lake.
Summary
英语表示“有多长（宽，高……）”时，
一般将_______和_____________放在表示长宽高的形容词______。
长度 long
谈论物体的 高度 tall/high
深度 deep
宽度 wide
常见句型:
1. - How high/tall/long/wide/deep...+ is + 主语
- It's + 数量+high/tall/long/wide/deep.
2. 数词+ square kilometer(s)
数词+ square meter(s)
+ in size
数词
数量单位
前
Practice
The table is _____________.
这张桌子有一米长。
The field is about _____________.
这块地的面积约有三平方公里。
The well is _______________.
这口井有十二米深。
The mountain is ___________.
这座山高1025米。
one meter long
3 square kilometers
in size.
twelve meters deep
1025 meters high
Homework
Homework
1.Review the words and phrases.
2.Finish the exercises on students’ book.
Thanks

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