人教版八年级下册Unit 7 What's the highest mountain in the world? Section A Period 1 (1a-2d)同步教学+语法讲解课件(共42张P

(共42张PPT)
Unit 7
Section A
Period 1 (1a-2d)
Which is the highest mountain in the world
Which is the longest river in the world
…
Do you know this
Qomolangma
Qomolangma (/ t m lɑ m /) runs along the border between China and Nepal. It is covered with snow all the year round. It’s 8844.43 meters high, the highest in the world. It’s 26 kilometers long.
the Sahara
The Sahara(/s hɑ r /) is the biggest desert in the world. It is located in the northern Africa. Its climate conditions are very bad and is one of the earth's most unsuitable for biological survival.
the Caspian Sea
The Caspian Sea (/ k sp n/) is the biggest inland lake in the world. The max depth is 1,025m (in the southern part). It lies in the border between Asia and Europe.
the Nile
The Nile(/na l/) is the longest river in the world. It’s more than 6,600 kilometers long. It runs through 9 countries. It’s one of the largest river flowing through the international states in the world and runs into the Mediterranean Sea (地中海) in the end.
the Yangtze River
The Yangtze River is the third longest river in the world, and the first Asian river. It’s 6211.31 kilometers long. The Yangtze River Basin（长江流域）, east-west width of 3,219 kilometers, about 966 kilometers wide north-south, passing through 11 provinces. It runs into the East Sea in Shanghai finally.
the Amazon River
the second longest river in the world
South America
Rainforest
1a
Match the facts you know.
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
- How big is Sahara
- It is about 9,600,000 square kilometers in size.
9,600,000
million
thousand
nine million
and six hundred thousand
1,025
one thousand and twenty-five
6,671
six thousand six hundred and seventy-one
8,844.43
eight thousand eight hundred
and forty four point forty-three
- How big is Sahara
- It is about 9,600,000 square kilometers in size.
size 大小；尺寸
How long/deep/high/tall/wide…
- How long is the Nile
- It is 6,671 kilometers long.
square n. 平方；正方形；广场
基数词+度量n.(meter, kilometer..)
+ long/deep/high/tall/wide
- How high is Qomolangma
- It is 8,843.43 meters high.
- How deep is the Caspian Sea
- It is 1,025 meters deep.
3m
- How wide is the road
- It is 3 meters wide.
- How big is Sahara
- It is about 9,600,000 square kilometers in size.
high/tall adj.
How long/deep/high/tall/wide…
height n.
in height
deep adj.
depth n.
in depth
long adj.
length n.
in length
基数词+度量n.(meter, kilometer..)
+ long/deep/high/tall/wide
wide adj.
width n.
in width
What’s the length/depth/height/width of…
1b
Qomolangma is __________ than any other mountain in the world.
The Sahara is __________ desert in the world.
The Caspian Sea is __________ of all the salt lakes.
The Nile is __________ river in the world.
higher
the biggest
the deepest
the longest
Teacher： Yesterday, we learned some important geographical facts. I hope you all still remember them. I'm going to test you now by asking a few questions. First, what's the highest mountain in the world
Boy2： Qomolangma! It's higher than any other mountain in the world.
Teacher： That's right. And who can tell me what the Sahara is
Girl1 : The Sahara is the biggest desert in the world.
geography
v./n.
Teacher： Very good. And which is the deepest salt lake in the world
Girl2 : The Caspian Sea is the deepest of all the salt lakes.
Teacher： You're all so smart! Now, for the last
question, which is the longest river in the world
Boy1 : I know! The Nile is the longest river in the world.
Boy2 : And the Amazon is the second longest river in the world.
Teacher： It seems that you know the answers to all my questions. Good job!
the + 序数词 + 最高级
It’s higher than any other mountain in the world.
比较级 + than + any other cn.单数
It’s higher than the other mountains in the world.
比较级 + than + the other cn.复数
Qomolangma is the highest mountain in the world.
中国是亚洲最大的国家.
China is the largest country in Asia.
China is larger than any other country in Asia.
China is larger than the other countries in Asia.
2a/2b
6,300 5,000 5,464 300
6,300
six thousand and three hundred
5,000
five thousand
5,464
five thousand four hundred and sixty-four
300
three hundred
___The Yangtze River is about __________________ and the Yellow River is______ kilometers long.
___China has the _______ population in the world.
It’s ____________than the population of the US.
___China is over ______ years old.
It has a _____ ______ history than the US.
The US is not even ____ years old.
___China is almost ________the US, and it is __________ country in Asia.
2a. Listen and number the facts [ 1-4] in the order you hear them.
4
2
1
3
6,300 kilometers long
5,464
biggest
a lot bigger
5,000
longer
much
300
as big as
the biggest
2b. Listen again and fill in the blanks in 2a.
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.
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.
one of + the 最高级 + cn.(复)
much + 比较级
a lot + 比较级
China has the biggest population
n. 人口
1. 一般看成单数
The world’s population ___(be) larger and larger.
is
2. 表示人口多、少，不能用：many, much, few…
多：big, large
少：small
India has a _________ population.
large/big
3. 询问有多少人口，不能用：how many/much…
What’s the population of…
The world’s population is growing _____ and there is _____ land and water for growing rice.
A. more; less B. larger; fewer
C. larger; less D. more; fewer
2. According to the latest census(人口普查), China has a _____ of 1,411.78 million.
pollution B. competition
C. protection D. population
3. --- _____ the population of Wuhan.
--- It’s about 13 million
How many B. How much
C. What is D. What are
4. 加拿大， 美国和澳大利亚，哪个国家的人口最少？
Which country _____ ___ ________ ___________,
Canada, the USA or Australia
5. 世界人口增长越来越快。
____ ___________ ___ the world is growing faster and faster.
The world’s population is growing _____ and there is _____ land and water for growing rice.
A. more; less B. larger; fewer
C. larger; less D. more; fewer
2. According to the latest census(人口普查), China has a _____ of 1,411.78 million.
pollution B. competition
C. protection D. population
C
D
3. --- _____ the population of Wuhan.
--- It’s about 13 million
How many B. How much
C. What is D. What are
4. 加拿大， 美国和澳大利亚，哪个国家的人口最少？
Which country _____ ___ ________ ___________,
Canada, the USA or Australia
5. 世界人口增长越来越快。
____ ___________ ___ the world is growing faster and faster.
C
has
the smallest
population
The
population
of
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.
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.
Let’s fill the blanks.
Country: ___________
Age: It’s over ______ years old.
Population: It has the ________ population.
Size: It’s about _________ square kilometers in size.
Famous rivers:________________
________________
5000
biggest
9,600,000
the Yellow River
the Yangtze River
China
Let’s do and say.
Country: ___________
Age: It’s about ______ years old.
Population: It has ________ population than China.
Size: It’s about __________ square kilometers in size. It is about the same size as China.
Other famous facts：
_______________________
300
smaller
the USA
9,370,000
Mississippi River is the fourth longest river.
Let’s say with the information in chart.
Country: China
Age: It’s over 5000 years old.
Population: It has the biggest population.
Size: It’s about 9,600,000 square kilometers in size.
Famous rivers: the Yellow River; the Yangtze River
China is one of __________ countries in the world. It’s over ____ years old. It has the ______ population and it’s about _________ ________ _________ in size.
the oldest
5000
biggest
9,600,000
kilometers
square
Let’s say with the information in chart.
Country: China
Age: It’s over 5000 years old.
Population: It has the biggest population.
Size: It’s about 9,600,000 square kilometers in size.
Famous rivers: the Yellow River; the Yangtze River
________________ is the longest river in China. It’s about _____ kilometers long. ______________ is the second longest river, and it’s about ______________ long.
The Yangtze River
The Yellow River
6300
5464 kilometers
Country: the US
Age: It’s about 300 years old.
Population: It has less population than China.
Size: It’s about 9,370,000 square kilometers in size. It is about the same size as China.
Other famous facts: Mississippi River is the fourth longest river. It’s about 6,262 kilometers long.
Let’s say with the information in chart.
The US is one of the __________ countries in the world. It’s about ___ years old. It has _______ population than China. It’s about the same size as China.
youngest
300
smaller
smaller
Country: the US
Age: It’s about 300 years old.
Population: It has smaller population than China.
Size: It’s about 9,370,000 square kilometers in size. It is about the same size as China.
Other famous facts: Mississippi River is the fourth longest river. It’s about 6,262 kilometers long.
Let’s say with the information in chart.
It’s about _________________________ in size. Mississippi River is the _____ longest river in the world. It’s _____ kilometers long.
9,370,000 square kilometers
fourth
6,262
The Great Wall Tour
1. How long is the Great Wall
2. Why did the ancient emperors build the wall
3.Which is the most famous part of the Ming Great Wall
Please answer these questions
It’s about 8,850 kilometers long.
The main reason was to protect their part of the country.
Badaling is the most famous part of the Ming Great Wall.
Guide: Feel free to ask me anything on today’s Great Wall tour.
Tourist1: How long is the wall
Guide: 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.
feel free to do(可以)随便(做某事)
tourist
[ da n sti] 朝代
Tourist2: Wow, that’s amazing! Why did the ancient emperors build the wall
Guide: 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 man-made objects as big as this.
Tourist3: Is Badaling part of the Ming Great Wall
Guide: Yes, it’s the most famous part.
adj. 古老的
as…as…
adj. 人造的
man-made satellite
amaze v.
amazing adj.(事物)
amazed adj. (人)
The main reason was to protect their part of the country.
protect
v. 保护
protect sb/sth
protect…from/against…
保护…免受…
She is wearing sunglasses to protect her eyes from the strong sunlight.
protection
n. 保护
The hat will give protection against the sun.
In winter, some people keep flowers in their house to _____ them against the cold.
A. provide B. protect C. promise D. prepare
2. We should take more exercise to __ us __ illness.
protect; from B. protect; to
C. stop; from D. stop; to
3. We are under the _____ of the police.
A. pressure B. protection
C. challenge D. control
4. 保护自然就是保护我们自己。
_______ nature is to protect ourselves.
5. 你应该学会如何在困境中保护你自己。
You should learn _____ _____ _____ _____ when you’re in trouble.
6. 保护野生动物是我们的责任。
It’s our duty _____ _____ wild animals.
In winter, some people keep flowers in their house to _____ them against the cold.
A. provide B. protect C. promise D. prepare
2. We should take more exercise to __ us __ illness.
protect; from B. protect; to
C. stop; from D. stop; to
3. We are under the _____ of the police.
A. pressure B. protection
C. challenge D. control
B
A
B
4. 保护自然就是保护我们自己。
____________ nature is to protect ourselves.
5. 你应该学会如何在困境中保护你自己。
You should learn _____ _____ _____ ________ when you’re in trouble.
6. 保护野生动物是我们的责任。
It’s our duty _____ _____ wild animals.
Protecting
how
protect
to
yourself
to
protect