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(共32张PPT)
Unit 7
What’s the highest mountain
in the world
Section A 1a-2d
Do you know these mountains
黄山
Mount Huang
Mount Tai
泰山
Mount Lu
庐山
9,600,000
1,025
6,671
8,844.43
Can you read these large numbers
six thousand six hundred and seventy-one
one thousand and twenty-five
nine million six hundred thousand
eight thousand eight hundred and forty-four point four three
1, 034, 507, 890. 12
How to read large numbers
point
thousand
million
billion
and
and
one two
9,600,000
square kilometers/km in size
What geographical sites are the numbers about
8,844.43
meters high
Qomolangma
1025
the Caspian Sea
meters deep
the Nile
6,671
kilometers long
the Sahara
the Nile
Qomolangma
the Caspian Sea
the Sahara
珠穆朗玛峰是世界海拔最高的山峰，高度为8844.43米。
Qomolangma
eight thousand eight hundred and forty-four point four three
Which is the highest mountain in the world
the Nile
尼罗河长6671千米，是世界上最长的河流。
six thousand six hundred and seventy-one
Which is the longest river in the world
the Caspian Sea
里海虽称海，却是一个巨大的内陆咸水湖，深1025米，是世界上最大的湖泊
one thousand and twenty-five
Which is the biggest lake in the world
the Sahara
形成于约250万年前，世界上最大的沙质荒漠，约9,600,000平方千米
nine million six hundred thousand
Which is the bigest desert in the world
Match the facts you know.
1a
Qomolangma
the Nile
the Caspian Sea
the Sahara
Qomolangma
The Nile
The Caspian Sea
The Sahara
about 9,600,000 square
kilometers in size
1,025 meters deep
6,671 kilometers long
8,848.86 meters high
square在此处作形容词，意为
“平方”，用于数字后表示面积。
square还可作名词，意为“正方形；广场”。
in size 在尺寸上；在大小方面
与in size结构类似的还有：
in height 在高度上
in weight 在重量上
height
length
depth
area
highest/ tallest
lowest/ shortest
longest
shortest
deepest
shallowest
biggest
smallest
Feature
Most
Least
Mountain
River
Sea/Lake
Desert
Fill in the table.
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
Listen and read.
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
Boy 1: Qomolangma! It's higher than any other mountain in the world.
Teacher: That's right. And who can tell me what the Sahara is
Girl 1: The Sahara is the biggest desert in the world.
Teacher: Very good. And which is the deepest salt lake in the world
地理事实
Girl 2: 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
Boy 2: I know! The Nile is the longest river in the world.
Boy 1: 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+形容词最高级 第几……的
Hi, Patrick! What are you doing these days
Oh, I am traveling around the world.
How exciting! What is the highest mountain in the world
It’s Qomolangma.
How high is Qomolangma
It's 8,844.43 meters high.
Use the information in 1b to make conversations.
1c
Qomolangma
the Nile
the Caspian Sea
the Sahara
Read the numbers.
6300
six thousand and three hundred
5000
5465
300
five thousand
five thousand, four hundred and sixty-five
three hundred
2a
____ 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.
Listen and number the facts [1-4] in the order you hear them.
2
4
6,300 5,000 5,464 300
____ China is over ________ years old. It has a
much longer history than the US. The US is
not even_______ years old.
____ China is about the same size as the US, and
it is the biggest country in Asia.
1
3
6,300 5,000 5,464 300
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
5,464
6,300 5,000 5,464 300
6,300 5,000 5,464 300
___ China is over ______ years old. It has a much longer history than the US. The US is not even _____ years old.
___ China is about the same size as the US, and it is the biggest country in Asia.
5,000
300
Listen and read.
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.
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.
Read the conversation in 2d and answer the questions.
1. What is the conversation about
It’s about a tour to the Ming Great Wall.
2. How long is the Ming Great Wall
It’s about 8,850 kilometers long.
3. What does the guide say about the wall
It’s quite tall and wide.
It’s the longest wall in the world.
There are no man-made objects as big as this.
…
Fill in the blanks.
Guide: to ask me anything on today's Great Wall tour.
Tourist 1: is the wall
Guide: Ah, the most popular question! If we're only the parts from the Ming Dynasty, it's about 8, 850 kilometers long. This______ it the longest wall in the world.
Tourist 2: Wow, that's amazing! Why did the ancient emperors build the wall
Guide: The was to protect their part of the country. __________ _________,it’s quite tall and wide. , there are no other man-made objects as big as this.
Tourist 3: Is Badaling the Ming Great Wall
Guide: Yes, it's the most famous part.
Feel free
How long
talking about
makes
main reason
As you
can see
As far as I know
part of
Feel free to ask me anything on today’s Great Wall tour.
2d
Role-play the conversation.
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.
feel free to do sth.
(可以)随便(做某事)
tour作名词：
a tour of/around… ……的旅行
辨析：tour, trip, journey与travel
tour常指以观光、视察、购物等为目的的旅行，也可指明星的巡演。
trip常指短距离的旅行、远足。
journey常指远距离的陆地旅行。
travel常指远距离旅行或国外旅行。
tour作动词：“旅行；旅游”
tourist是可数名词，“旅行者；观光者”
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.
Wow, that’s amazing! Why did the ancient emperors build the wall
Yes, it’s the most famous part.
Is Badaling part of the Ming Great Wall
辨析：amazing与amazed
amazing “令人大为惊奇的；令人惊喜
（或惊叹）的”，其主语或所修饰的名词通常是物，常用来说明事物的特征。
amazed“大为惊奇的”，其主语或所修饰的名词通常是人，常用来说明人的感受。
protect … from / against…
保护……不受……（的伤害 ）
protection n. 保护；保卫
= so far as I know
就我所知
Exercises
一、单项选择。
1.— ______ is the population of China now, Jack
— Let me think for a moment; it is about ______.
A. How many; 1,400 million B. What; 1,400 million
C. What; 140 million D. How many; 140 million
2.— The 5G technology can help doctors treat patients who are hundreds of kilometers away.
— It’s really ______.
A. secret B. direct C. amazing D. traditional
B
C
3.____ I know, more and more people in the world are
learning Chinese.
A.As well as B. As often as
C. As soon as D. As far as
4.The Yangtze River is about ______.
A. 6,300 kilometer long B. 6,300 kilometers long
C. 6,300-kilometer long D. 6,300 kilometers’ long
5.The girl is ______ than any other girl in her class.
A.more beautiful B. the most beautiful
C. beautiful D. much beautiful
D
B
A
二、根据汉语意思完成句子。
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

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