人教新目标版英语八年级下Unit 7 What's the highest mountain in the world?Section A 1a-2c课件+嵌入音频（27张PPT）

(共27张PPT)
What’s the highest mountain in the world
Section A (1a~2c)
Unit 7
1. 能够听懂谈论“自然地理之最”的对话内容，并从中获取地理
数据等关键信息。
2. 能够掌握大数字的读法，并运用大数字和比较级、最高级谈论
“自然地理之最”。
3. 能够了解我国和世界的一些“自然地理之最”，并通过对比，
加深对祖国的了解和热爱。
重点
Teaching aims
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1. What’s video about
It’s about the Changbai Mountains.
2. What is the deepest mountain lake around the world
The Tianchi Lake (in Jilin province).
Watch and answer
There are many interesting geographical facts all over the world.
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Let’s learn
Facts about Changbai Mountains
Age of the Changbai Mountains: 2,770,000 years old
Altitude(海拔) of Tianchi Lake: 2,100 meters
Latest eruption(喷发): 300 years ago
Average depth of water: 204 meters
Storage capacity(蓄水量): 2,000,000,000 tons
Duration(持续时间) of winter: 9 months
Average depth of snow: 50 centimeters
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Can you read the numbers about the Changbai Mountains
2,770,000
2,100
300
204
2,000,000,000
22
50
9
30
two thousand, one hundred
two million, seven hundred and seventy thousand
two billion
two hundred and four
three hundred
=2.77 million
two point seven seven million
123,456,789,123
Hundreds
Tens
Ones
Hundreds
Tens
Ones
Hundreds
Tens
Ones
Hundreds
Tens
Ones
thousand
million
billion
one hundred and twenty-three
billion,
four hundred and fifty-six
million,
seven hundred and eighty-nine
thousand,
one hundred and twenty-three
one hundred and twenty-three billion, four hundred and fifty-six million, seven hundred and eighty-nine thousand, one hundred and twenty-three
Let’s summarize
How to read large numbers:
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Compete
1,025
8,844.43
300
6,300
5,464
9,600,000
5,000
6,671
Free talk
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What other geographical facts do you know
What’s the longest river in the world
What’s the largest desert in the world
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Look and say
What do you know about these places
the highest mountain
Qomolangma
How high …
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the largest desert
the Sahara
How large …
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the deepest salt lake
the Caspian Sea
How deep …
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the longest river
the Nile
How long …
Qomolangma about 9,600,000 square kilometers
in size
The Sahara 1,025 meters deep
The Caspian Sea 6,671 kilometers long
The Nile 8,844.43 meters high
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Read, match and say
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Listen and complete
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
= the highest mountain
Can you say sentences 2, 3 and 4 in another way
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1. Qomolangma is higher than any other mountain in the world.
= Qomolangma is the highest mountain in the world.
2. The Sahara is the biggest desert in the world.
=
3. The Caspian Sea is the deepest of all the salt lakes.
=
4. The Nile is the longest river in the world.
=
The Sahara is bigger than any other desert in the world.
The Caspian Sea is deeper than any other salt lake in the world.
The Nile is longer than any other river in the world.
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Ask and answer
Qomolangma 8,844.43 m
the Sahara 9,600,000 km
the Caspian Sea 1,025 m
the Nile 6,671 km
A: What’s the highest mountain in the world
B: Qomolangma.
A: How high is it
B: It’s 8,844.43 meters high.
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Read and predict
6,300 5,000 5,464 300
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.
What are these sentences about Try to fill in the blanks with these numbers.
Listen and order
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_____ 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.
4
2
1
3
Listen and complete
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6,300 5,000 5,464 300
_____ 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.
4
2
1
3
6,300
5,464
5,000
300
Listen and fill
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History China is one of _________ countries in the world. It is ___________ than the US.
The US is one of ____________ countries in the world. It’s not even ____________.
Population China has ___________ population. It’s __________ than the population of the US.
Area China is about ______________ the US. It’s the biggest country in Asia.
River The Yangtze River is ___________ river in Asia. It’s about _______ kilometers long and the Yellow River is _______ kilometers long.
the oldest
much older
the youngest
300 years old
the biggest
a lot bigger
the same size as
5,464
6,300
the longest
Ask and answer
History one of the oldest countries; over 5,000 years old one of the youngest countries; not even 300 years old
Population the biggest population in the world /
Area the biggest country in Asia as big as China
River the Yangtze River; the Yellow River /
A: Did you know that China is one of the oldest
countries in the world
B: Yes, I did. It’s much older than the US.
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Have a discussion
How much do you know about China
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Facts about China
Size ≈ ___________ km
Mountain highest Qomolangma (8,844.43 m)
River longest
Lake biggest
Desert largest
Square biggest
City largest
…
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Report
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Today we talked about the geographical facts about China.
China is … square kilometers in size. The highest mountain … is … It’s … meters high. It’s higher than any other mountain …
I love China. Thank you for your listening.
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How do you think of these facts about China
I love China!
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Homework
1. Write down your report.
2. Collect more information about geographical facts about
China by yourself.
3. Preview Section A (3a ~ 3c).
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Bye-bye!