人教版八年级下册Unit 7 What's the highest mountain in the world Section A 1a-1c课件＋音频(共17张PPT)

(共17张PPT)
Unit 7
What's the highest mountain in the world
Section A 1a-1c
Hello , everybody, I’m Miss Liao
I like traveling come with me
From the desert to the river
See the mountain see the sea
Would you
like to
travel
with
me
Task 1
Know how to read the large numbers
6671
8844.86
6300
96,000,000
1025
1.千位及千位以上数字的表达：以三位数为一 个单位，从右至左，每三位数用“，”隔开。
Tips
2.逗号读法：
阅读时，将每三位数看作一个单位，从右至左，依次为thousand(千），million（百万），billion（十亿），每个单位按照百位、十位、个位向下读，其中百位到十位之间要加and,
小数点读作point,小数点后面一个一个读。
3.hundred, thousand，million，billion都不能加s。
Can you read these numbers
Six thousand six hundred and seventy one
One thousand and twenty-five
Eight thousand, eight hundred and forty-four, point eight six
Nine million, six hundred thousand
practice
6,671
1,025
8,844.86
9,600,000
The world is so big , and I can’t wait to see it!
The Qomolangma
How high is the Qomolangma
It is 8844.86 meters high.
How long is the Nile
The Nile
It is 6671 kilometers long.
The Caspian sea
Salt lake 咸水湖
Fresh lake 淡水湖
How deep is the Caspian sea
It is 1025 meters deep.
How big is the sahara
The sahara
It is about 9,600,000 square kilometers in size.
Do you know
why these places are famous
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.
While listening
higher
the biggest
the deepest
the longest
1.Qomolangma is _______ than any other mountain in the world.
Qomolangma is ______________mountain in the world.
2. The Sahara is ____________ desert in the world.
The Sahara is ____________ any other desert in the world.
Practice
higher
The highest
the biggest
bigger than
Post-listening
1c. Use the information in 1b to make conversations.
How high is it
What is the highest mountain in the world
Qomolangma
It is 8844.86 meters high.
Post-listening
1c. Use the information in 1b to make conversations.
How __ is it
What is _____
in the world
The _____
It is _____.
单项选择。
1. I think she is ____ of all the girls.
A. beautiful B. more beautiful
C. most beautiful D. the most beautiful
2. --- How tall he is !
--- Yes, he is ____ than any other student
in his class.
A. tall B. taller C. tallest D. more tall
D
B