(共34张PPT)
Unit 7 What’s the highest
mountain in the world
R·八年级下册
Section A 2a-2d
Let’s guess.
What’s it
What’s the highest mountain in the world
Qomolangma.
/ t m lɑ m /
It’s a mountain.
Let’s guess.
What’s it
What’s the longest river in the world
The Nile.
/na /
It’s a river.
Let’s guess.
It’s a lake. Salt lake.
What’s the deepest lake in the world
The Caspian Sea.
/ k sp n/
What’s it
Let’s guess.
What’s it
What’s the biggest desert in the world
The Sahara.
/s hɑ r /
It’s a desert / dez t/.
Let’s make a conversation.
What is …
The Nile
The Sahara
The Caspian Sea
Qomolangma
Let’s brainstorm.
What can you learn from this picture
China has the biggest population /p pju le n/.
How old is China
It’s over 5,000 years old.
What is the longest river in China
The Yangtze River.
Let’s brainstorm.
Which countries do they compare
China and the US.
Read the numbers below.
5,000
6,300
5,465
300
Make as many sentences as you can to compare the four numbers.
six thousand and three hundred
five thousand, four hundred and sixty-five
five thousand
three hundred
For example:
6,300 is the biggest/largest number.
2a
Listen and number the facts [1- 4] in the order you hear them.
6,300 5,000 5,464 300
___ The Yangtze River is about ______ kilometers long and the Yellow River is ______ kilometers long.
4
___ 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.
1
3
6,300 5,000 5,464 300
2
2b
Listen again and fill in the blanks in 2a with the numbers in the box.
___ 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.
6,300 5,000 5,464 300
6,300
5,464
___ 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 5,000 5,464 300
5,000
300
Mike: Hi, I’m Mike. I’m from the United States.
Boy: Welcome to our class, Mike. We’re happy to
meet you.
Mike: Can you tell me a bit more about China
Girl: Sure! Did you know that China is one of the
oldest countries in the world It’s over 5,000
years old.
Tapescripts
中国是世界上最古老的国家之一
Mike: Yes, I did. It’s much older than my country -
in fact, the United States is one of the
youngest countries in the world. It’s not
even 300 years old.
Boy: And China has the biggest population, too. It’s a
lot bigger than the population of the United
States.
中国人口比美国多很多。
Mike: But China is about the same size as the
US, right
Girl: Yes, and it’s the biggest country in Asia.
We also have some famous rivers. The
Yangtze River is the longest river in Asia.
It’s about 6,300 kilometers long.
中国和美国国土面积差不多大。
长江是亚洲最长的河流。
Mike: Wow! I didn’t know that. I thought the
Yellow River was longer.
Boy: No, the Yellow River is 5,464 kilometers
long. But both rivers are very important
to China.
Language points
1. China has the biggest population in the world.
population 集体名词，“人口；人口数量”，
无复数形式。
作主语时，谓语动词用第三人称单数形式。
the population of “……的人口数量”，
同义短语 … has a population of …。
人口“多” 用 large 或 big 来修饰；
人口“少” 用 small 来修饰。
分数或百分数修饰 population 作主语时，谓语动词用单复数形式均可。
拓
展
询问人口数量：
What’s the population of …
How large is the population of …
不能用how many，how much提问。
你家乡的人口是多少？（翻译句子并写出同义句）
What’s the population of your hometown
_________________________________________
How large is the population of your hometown
2. China is almost as big as the US, but it is the
biggest country in Asia.
not as / so + 形容词或副词的原级 + as
“和……不一样；与……不同”。
as + 形容词或副词的原级+ as “和……相同； 与……一样”， 用于同级之间的比较。
3. Did you know that China is one of the oldest countries
in the world
宾语从句表示的内容是客观事实、真理或自然现象等，从句要用一般现在时。
He told me that the earth is larger than the moon.
例：他告诉我地球比月球大。
主句
that 引导的宾语从句
～～～～～～～～～～～～～～～～～～～
～～～～～～～
2c
Make conversations using the information
in 2a.
Did you know that China is one of __________ countries in the world
Yes, I did. It’s much older than my country.
the oldest
Did you know that
China is the biggest country in Asia
Yes, I did. __________________________
big as the US.
It’s almost as
Yes, I did. It’s
6,300 kilometers long.
Did you know that
__________________________________________
the longest river
Yangtze River is
in China
Role-play the conversation.
Listen and answer the questions.
2d
1. How long is the Great Wall
If we’re only talking about the parts from the Ming Dynasty, it’s about 8,850 kilometers long.
2. Why did the ancient emperors build the wall
The Badaling part.
The main reason was to protect their part of the country.
3. Which part is the most famous part of the Ming
Great Wall
Feel free to ask me anything on today’s Great Wall tour.
2d
Role-play the conversation.
feel free to do sth.随便做某事
How long is the wall
Ah, the most popular question! If we’re only talking about the parts from the Ming Dynasty, it’s about 8,850 kilometers long. This makes it the longest wall in the world.
令人惊喜（或惊叹）的
古代的；古老的
据我所知
Wow, that’s amazing! Why did the ancient emperors build the wall
The main reason was to protect their part of the country. As you can see, it’s quite tall and wide. As far as I know, there are no other man-made objects as big as this.
Yes, it’s the most famous part.
Is Badaling part of the Ming Great Wall
Fill in the blanks.
If we’re only talking about the parts from the Ming Dynasty, it’s about 8,850 kilometers ____. This makes it the ______ wall in the world.
longest
long
The main reason was to protect their part of the country. As you can see, it’s quite ____ and _____. As far as I know, there are no other ___________ objects as big as this.
tall
wide
man-made
Exercise
1.据我所知，世界上没有墙和长城一样长。
_____ _____ _____ I know, no other walls are
_____ _____ _____ the Great Wall.
2.中国人口非常多。
China’s __________ _____ ______.
As far as
population is large
as long as
