unit 9 the world’s highest mountain is 8,844 meters high 初四英语 段桂芳 section a

　 UNIT 9

The world’s highest mountain is 8,844 meters high

初四英语 段桂芳 Section A

Qomolangma is the highest mountain in the world.

Qomolangma is higher than any other mountain in the world.

Qomolangma

Qomolangma is 8,844 meters in height.

It’s 8,844 meters high.It’s much higher than Mount Tai.

The height of Qomolangma is 8,844 meters.

The Yangtze River is the longest river in Asia.

It’s about 6,300 kilometers long.

The Yangtze River is longer than any other river in Asia.

The length of the Yangtze River is 6,300 kilometers.

The Yangtze River is 6,300 kilometers in length.

The Yangtze River

The Yangtze River is longer than any river in Japan.

The Caspian Sea

The Caspian Sea is

the world’s deepest salt lake.

It’s 1,025 meters deep.

The depth of the Caspian Sea is 1,025 meters.

The Caspian Sea is 1,025 meters in depth.

The Sahara

It is about 8,000,000 square kilometers in size.

The Sahara is the biggest desert in the world.

The AmazonThe Amazon is the longest river in the world.

It’s about 6,500 kilometers long.The length of the Amazon is about 6,500 kilometersThe Amazon is about 6,500 kilometers_________.in length

The giant panda is one of the most endangered animals in the world ．There are only about 1,600 left. （ adj. 剩下的 . 留下的）Translate: 几乎没有动物留在那座山上了There are _____________on that mountain.few animals left

National treasure

Bamboo

endangered

Not many left

Did you know that Qomolangma is the highest mountain in the worl

d? Yes, I did. It’s 8,844 meters

high

China has a longer history than the United States.

China is one of the oldest civilizations in the world.

The most populated part of China is the southeast.adj. 人口稠密的

The United States is one of the youngest countries in the world.

It is the biggest man-made structure （建筑） in the world.▲There are no man-made structures as big as the Great Wall. 没有比长城更壮观的人造建筑了．▲There are no …as…as… 可以用来表达最高级含意．翻译：没有比这本书更有趣的了．

There are no books as interesting as this one .

The Great Wall

1b Listen and check (√) the facts you 1b Listen and check (√) the facts you hearhear

• √▲China ha a longer history than the United States.

• There are many bamboo forests in China.• The most common animal in America is the dog.• __▲The most populated part of china is the sou

theast.• __▲China is one of the oldest civilizations in the

world.• __▲There are no man-made structures as big a

s the Great Wall.

√▲√

snail

▲It can run about 100 kilometers per hour

What’s the speed of the snail?

▲The speed of cheetah is 100 kilometers per hour.

▲It moves at_____ kilometers per hour.

2a Listen and number the facts in the order you hear them.

●Population 的用法：１ . population 作主语动词用单数．但如前面有分数或百分数修饰时则动词用复数．如：The population of the world is about 6,000,000,000.

Three quarters of the population in our village are farmers.

2.Population 和 number,amount 用法相似．表示“多、少”时用“ large/big,small” 来修饰。例如：　 The population of India is smaller than that of China.

3. 对人口提问用 what. 如： What’s the population of China?

●a lot less than 比…… 少得多　可修饰比较级的词有：a lot/much/far/a little/even 　修饰原级的词有： very/quite/too/so

Listen and number the facts in the order you hear them

____The Nile is 6,670 kilometers long, and the Yellow River is about ______ kilometers long.

____▲The population of Singapore is about ______ ,which is a lot less than the population of Malaysia, which is about 20,000,000

____The fastest animal in the world is the cheetah. ▲It can run about 100 kilometers per hour. The slowest is the snail. ▲It moves at ______ kilometers per hour.

____Mount Tai is ______ meters high. ▲ It is much lower than Qomolangma.

1

4

3

2

5,500

4,000,000

0.09

1,545

1. 比较级与最高级的用法 :2. There are no man-made structures as big as the Great Wall. as+ 形容词或副词原级＋ as 表示同等程度，即同级比较 not as (so)+ 形容词或副词原级＋ as 表示“不如……”There are no…as…as… 可以用来表达最高级含意3. 长、宽、高、深的表达方式： 1) 数字＋长度单位＋ long/wide/high/deep 2) 数字＋长度单位＋ in length/width/height/depth 3)the length of… 　……的长度　 the width of… 　……的宽　 the height of… 　……的高度　 the depth of … 　……的深度4.The cheetah can run 100 kilometers per hour. 　 It moves at…… The speed of th cheetah is 100 kilometers per hour.5.the use of “population”

Homework:Ａ .Listen to the tape and complete the listening exercise in the newspaper. B. 写一篇关于世界之最的小短文。

SSeeee y yoou nu neexxtt t tiimmee!!

Unit 9 Unit 9 The world’s highest mountaThe world’s highest mountain is 8,844 meters high. in is 8,844 meters high. 授课人授课人 :: 段桂芳 段桂芳 ( SectionA( SectionA读写读写 ))

词汇展示词汇展示 ::

亚 洲

China is an _________ country.AsianAsia (n.) Asian(adj.)

The Sahara is the biggest ______in the world .desertIt is 8,000,000 ________ kilometers in ____.square size

China is one of the oldest c_________ in the world.

ivilizations

In China ,most of g____pandas live in the s____________ mountains and b______ forests grow here .

iantouthwestern

amboo注意：方位名词变形容词词尾加— ern　　　如： east -- esatern

Qomolanma 8,844

The Qomolangma is the highest mountain in the world. It is about 8,844 kilometers high.=The height of mounain in the world is 8,844 kilometers.

The Nile 6,670

The Nile is the longest river in the world. It is 6,670 kilometers long.=The length of the Nile is 6,670 kilometers.

The Yangtze River is the longest river in China.

The Yangtze River 6,300

It is about 6,300 kilometers long.=The length of the Yangtze River is 6,300 kilometers.

The Yangtze River The Yellow River--Which river is longer, the Yangtze River or the Yellow River?--The Yangtze River.--The Yellow River is the second longest river in China.注意 : the + 序数词 + 最高级

Giant panda is one of the most endangered animals in the world注意 : One of the + 形容词最高级 + 名词复数

The cheetah is the fastest animal in the world. It can run 100 kilometers per hour.

The snail is the slowest animal in the world.It can moves at 0.09 kiolmeters per hour

A B

A is as big as B .注意 : as…..as 像… .. 一样

注意 : not as(so)…..as 不如 , 不像… .. 一样There are no man-made structures as big as the Great Wall.

A 6m

B 2m

A is six meters tall.B is two meters tall.

A is three times as tall as B.A is four meters taller than B.

注意 : A is + 倍数 + as ……as B. A is + 倍数 + 比较级 than B.

The longer people waited for help , the more dangerous the situation became.

The+ 比较级… , the+ 比较级… 越… . 就越… .

1) 世界上最深的咸水湖是里海。 2 ）一个人通常能跑 30 公里每小时。 3 ）凯特比苏珊高十公分。 • 4 ）什么也阻止不了我去那儿。 • 5 ）事情变得越来越糟。 • 6 ） Edison 是世界上最伟大的发明家之一。 • 7 ）他帮助别人越多，他就越高兴。 • 8 ）这条河是那条河的 3 倍长。

The world’s deepest salt lake is the Caspian Sea.

A man can usually run 30 kiometers per hour.

Kate is ten centimeters taller than Sushan

Nothing can prevent me from going there,

Things went bad to worse.

Edison is one of the most famous inventors in the world.

The more he helps others, the happier he becomes.

The river is three times as long as that one,

• One of the most _________ sports in the world is mountain climbing , and one of the most popular places to go for this is the Himalayas . These extremely high mountains ________climbers from all over the world .

• The Himalays __________ the southwestern border of China.______ the peaks. Qomolangma  is the highest and __________. It's ________ to climb Qomolangma because thick clouds cover the top of the mountain .The first people ______ the top of Qomolangma did it in 1953. The first Chinese climber ______the top in 1960. Indeed many people have _____________on the mountain. More recently it has become________________to climb Qomolangma.

•

dangers  attract   most famous   dangerous    of all   to reach   lost their lives  reached  safer and faster     run along   

dangerous  

attractrun along 

Of allmost famous dangerous    

to reachreached 

lost their livessafer and faster      

Homework: A: Make sentences with the model senten

ces in this lesson.B: Write a composition about a kind of n

atural disaster.