1. Unit 7 What’s the highest mountain in the world?

2. Let’s enjoy the beauty of nature!
mountain
desert
salt lake
fresh lake
river
lake
ocean

3. (have) the biggest population
1. The Nile
2. The Amazon
3. Yangtze River
China
India
America
1.3 billion (十亿)
6,600 kilometers long
(have) the biggest population
the longest river
the biggest continent
the highest mountain
Geographic facts
地理常识
Qomolangma 大陆
Asia
8,844 meters high
the biggest country
the biggest ocean
Russia
Canada
China
the biggest desert
The Pacific Ocean
The Sahara
the biggest salt lake
9.6 million (百万)
square kilometers (km²)
The Caspian Sea

4. Do you know these places of interest?
8, meters high
Qomolangma
珠穆朗玛峰
Qomolangma runs along the border(边界) between China and Nepal. It is covered with snow all the year round. It’s high, the highest in the world. It’s 26 kilometers long. zxxk

5. 尼罗河 6,671 kilometers long the Nile
The Nile is the longest river in the world. It’s more than 6600 kilometers long. It runs through 9 countries, it’s one of the largest river flows through the international states in the world and runs into the Mediterranean Sea(地中海) in the end.

6. 里海 the Caspian Sea 1,025 meters deep
The Caspian Sea is the biggest lake in the world. It lies in the border between Asia and Europe.
1,025 meters deep

7. 撒哈拉沙漠 the Sahara 9,600 square kilometers in size
The Sahara is the biggest desert in the world. It is in the northern Africa
9,600 square kilometers in size

8. 长江
the Yangtze River
The Yangtze River is the third longest river in the world. It’s kilometers long.

9. about 9,600,000 square kilometers in size
So far ,you have known some geographical facts. Please match the facts in 1a.
[,dʒi:ə'ɡræfɪkl]
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, meters high

10. 1b Listen and complete the sentences.
higher
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.
the biggest
the deepest
the longest

11. As Chinese, how much do you know about our motherland?
China is one of the oldest countries.
It’s over ____ years old. In fact, it’s one of the
four ancient(古老的) countries in the world.
5,000

12. China has the largest
Population(人口) on the
earth. There are so many
tourists visiting
_______________
the Great Wall
the biggest country in Asia

13. The Yangtze River is about 6,300 kilometers ______.
long
The Yangtze River is about 6,300 kilometers ______.
It is the third _______river in the world.
It is the _______ river in Asia.
longest
longest

14. …Can you tell me a bit more about China ?
Sure. …
Mike

15. Listen and number the facts [1-4]in the order you hear them.
__The Yangtze River is about _____ kilometers long and the Yellow River is ________ kilometers long.
__ China has the biggest population in the world. It’s a lot bigger than the population of the US.
__ China is over _____ years old. It has a much longer history than the US. The US is not even ___ years old.
__ China is almost as big as the US, and it is the biggest country in Asia. 2 1 3

16. 2b
Listen again and fill in the blanks in 2a with the numbers in the box.
6, , , 4
__The Yangtze River is about _____ kilometers long and the Yellow River is _____ kilometers long.
__ China has the biggest population in the world. It’s a lot bigger than the population of the US.
__ China is over _____ years old. It has a much longer history than the US. The US is not even ____ years old.
__ China is almost as big as the US, and it is the biggest country in Asia.
6,300
5,464 2 1
5,000
300 3

17. A.长度、宽度、高度、深度的表示法，有一个专门的结构，那就是“基数词 + 单位词 + 形容词(long wide high deep)”
48米高 48 meters high
25米深 25 meters deep
61千米长 kilometers long
一个25米深的湖 a 25-meter-deep lake
这座绿色长城长7,000公里。
The Green Great Wall is 7,000 kilometers long.

18. The mountain is 1,500 meters high.
1.这张桌子两米长，一米宽。
2.这座山有1500米高。
3.这栋楼120米高。
4.这本字典有五厘米厚。
5.这个湖有多深？ 1025米深。
The table is two meters long and one meter wide.
The mountain is 1,500 meters high.
The building is 120 meters tall.
The dictionary is five centimeters thick.
How deep is the lake?
It’s 1,o25 meters deep.

19. B. 用“基数词 + 单位词 + in + (length width height depth) ”来表示长度、宽度、高度、深度。
Practice
教室有25英尺长，20英尺宽。The classroom was 25 feet in length and 20 feet in width.
这个箱子重9公斤。The box is 9 kilos.
= The box is 9 kilos in weight.
那座桥有三米高。
The bridge is 3 meters in height.