Unit 7 What's the highest mountain in the world? Section A 1a~1c课件(共22张PPT，无音频) - 2023-2024学年人教版英语八

(共22张PPT)
Unit 7
What's the highest mountain
in the world
(Section A 1a-1c)
Can you read the numbers
51
237
1025
6671
8,844.43
a high mountain
in China
Qomolangma
covered with snow
[ t um u lɑ: m ]
8,844.43 meters high
a long river in Africa
the Nile 尼罗河
[na l]
a deep salt lake
the Caspian Sea 里海
[ k spi n]
a very big desert in Africa
the Sahara 撒哈拉沙漠
[s hɑ:r ]
[ t um u lɑ: m ]
[na l]
[ k spi n]
[s hɑ:r ]
5, 435, 478 . 2
↓ ↓ ↓
million
百万
thousand
千
Can you read these numbers
1,025 6,671 8,844.43 9,600,000
千位及千位以上数字的表达：
以三位数为一个单位，每三位数用“，”隔开。
point
点
8,850
5,000
6,300
1,025
8844.43
5,464
6,671
9,600,000
379
Quick Response
1a Guess and match.（连线）
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
Turn to Page 49.
1. How high is the Qomolangma
2. How big is the Sahara
3. How deep is the Caspian Sea
4. How long is the Nile
5, 435, 478 . 2
↓ ↓ ↓
million
百万
thousand
千
Can you read these numbers
1,025 6,671 8,844.43 9,600,000
千位及千位以上数字的表达：
以三位数为一个单位，每三位数用“，”隔开。
point
点
Listen and write:
306 425 7,028 1,742 6,544.19 8,193,000
Number Game
两人一组，互问数字。
教师报数，仔细倾听。快于对方，即为获胜。
A: What's your number
B: My number is ...
How about you
A: My number is ...
5, 435, 478 . 2
↓ ↓ ↓
million
百万
thousand
千
point
点
Teacher: Who has number _____
Student stands up: We have the number_______.
1a Let's introduce.
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
1,025 meters deep
6,671 kilometers long
8,844.43 meters high
数字+ 单位(meters/kilometers)+形容词(high/deep/long)
英语中表示计量的方法：
Discussion
Make sentences
The tree
is...
The road
The river
...
high
long
deep
1b 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
Tip: Try to predict(预测) before listening.
1b Listen again and complete the sentences.
1. Qomolangma is higher ____ any other __________ in the world.
2. The Sahara is the biggest _______
______________.
3. The Caspian Sea is the deepest _______
__________________.
4. The Nile is the longest river __________.
than
mountain
desert in the world
of
all the salt lakes
in the world
关上书本，完成练习,答案可写在草稿纸上。
1. Qomolangma is higher than any other
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.
形容词比较级 + than
Discussion
形容词比较级的用法：
形容词最高级的用法：
the+ 形容词最高级 + of / in
A:What/Which is the ____in the world
B:It's _______.
A:How _____ is it
B:It's _________.
…
(8,844.43 meters)
(about 9,600,000 square
kilometers)
(1,025 meters)
(6,671 kilometers)
The Nile
（longest river）
Qomolangma
(highest mountain）
The Sahara
( biggest desert)
The Caspian Sea
(deepest salt lake)
Pair work
the biggest country
the smallest country
the largest ocean
the longest wall
…
The top of the world
Vatican
Russia
Pacific Ocean
The Great Wall
Which is your favorite place
Name Place Information
Tom Qomolangma China; 8,844.43 meters high; the highest mountain
先思考完成表格内容，然后组织语言描述。
Speaking
I like Qomolangma best. It's 8,844.43 meters high and it is the highest mountain in the world. I want to travel there someday.
The world is big.
Let's enjoy it!