(共47张PPT)
Let's enjoy the beauty of the world.
Qomolangma
Unit 7 what’s the highest
mountain in the world?
Section A 1a-2d
1. What’s the longest river in the world?
A. Yangze River
B. The Nile(尼罗河)
Quiz
The Nile is the longest river in the world.
Who
The River Nile
What
6,671 kilometers long
Where
In Africa
the Nile
The Nile is the longest river in the world. It’s more than 6,671 kilometers long. It runs through 9 countries. It runs into the Mediterranean Sea (地中海) in the end.
Which is the longest river in the world?
2. Which is the biggest desert in the world?
A. The Sahara
B. The Gobi(戈壁)
Quiz
The Sahara is the biggest desert
in the world.
/’dez?t/沙漠
Name
The Sahara Desert
Size
9,600,000 square kilometers
Where
In North Africa
the Sahara
The Sahara 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.
Which is the biggest desert in the world?
3. Which is the highest mountain in the world?
A. Qomolangma(珠穆朗玛)
B. Mount Tai
Quiz
Qomolangma is __________ than
any other mountain in the world.
higher
/’tr??m??,la:?m?/
Name
Qomolangma
Height
8,844.43 meters high
Where
In China
Qomolangma
Qomolangma 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.
Which is the highest mountain in the world?
4. Which is the deepest salt lake in the world?
A. Lake Baikal(贝加尔湖)
B. The Caspian Sea(里海)
Quiz
The Caspian Sea is the deepest of all the
salt lakes.
/’k?spi?n/
Name
Caspian Sea
Depth
1,025 meters deep
Where
Between Asia and Europe
the Caspian Sea
The Caspian Sea (里海) is the biggest inland?lake in the world. It lies in the border between Asia and Europe.
Which is the biggest inland lake in the world?
The Yangtze River
5. Which is the longest river in China?
The Yangtze River is the third longest river in the world, the first longest Asian rivers. It’s 6211.31 kilometers long. It flows through 11 provinces and runs into the East Sea in Shanghai finally.
the Yangtze River
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
220
hundred 百
thousand 千
million 百万
billion 十亿
100,076,600,
The Caspian Sea is 1,025 meters deep
The Nile is 6,671 kilometers long
Qomolangma is 8,844.43 meters high
The Sahara is about 9,600,000 square kilometers in size
P49 1a. How to read large numbers?
One thousand
and
twenty-five
Six thousand
and
seventy-one
six hundred
Eight thousand
and
forty-four
eight hundred
point
four three
Nine million
and
six hundred thousand
物体长，宽，高的表达法
基数词 + 单位词 + in + 名词
基数词 + 单位词 + 形容词
long, wide, high, deep
length, width, height, depth
Mountain
River
Sea/Lake
Desert
height
length
depth
area
highest/ tallest
lowest/ shortest
longest
shortest
deepest
shallowest
biggest
smallest
Feature
Most
Least
Think and fill in the table.
Think about:
What feature of a mountain, river, etc. is most obvious?
What word can describe the two extremes best?
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
回忆比较级，最高级
听力原文
“the+序数词+最高级+单数名词” 表示“第几……最……的……”
“比较级+ than any other +名词+其他”
“比其他任何一个……都……”
注：该结构可与“the+最高级+其他”转换
形容词最高级结构: the +最高级+其他
形容词的最高级及比较级表达最高级含义
最高级：the+ 形容词/副词+ est ...+in/of
Qomolangma is the highest mountain /higher than any other mountain in the world.
The Nile is the longest river /higher than any other river in the world.
The Sahara is the biggest desert / in the world.
The Caspian Sea is /deeper than any other salt lake in the world.
bigger than any other desert
the deepest salt lake
最高级：the+ 形容词/副词+ est +单数名词+in/of=形容词、副词比较级+than+any other+单数名词+in/of
Practice in pairs:
A: What is the ... in the world?
B: ...
A: How ... is it?
B: It is ...high/deep/in size...
1c Use the information in 1a &1b to make conversations.
1,025 meters deep
9,600,000 km? in size
8,844.43 meters high
6,671 kilometers long
What do you know the top in Asian?
China is the biggest country in Asia.
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 runs through 11 provinces. It runs into the East Sea in Shanghai finally.
Which is the longest river in Asian?
How much do you know about China?
China has the biggest population in the world.
It’s a lot bigger than the population of the United States.
Population (as of Saturday, April 4, 2020)
China 1,410,408,308
The United States 330,536,464
Canada 37,662,126
China is one of the oldest countries in the world.
It’s much older than the United States.
History
China Over 5,000 years old
The United States Not even 300 years old
one of+形容词最高级+名词复数
表示...之一
How much do you know about China?
Listen and number the facts[1-4]in the order you hear them.
__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.
__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.
4
2
1
3
2a
Listen again and fill in the blanks in 2a with the numbers
in the box.
4 The Yangtze River is about _______ kilometers long and the Yellow River is ______ kilometers long.
2 China has the biggest population in the world. It’s a lot bigger than the population of the US.
1 China is over ______ years old. It has a much longer history than the US. The US is not even _____ years old.
3 China is almost as big as the US, and it is the biggest country in Asia.
6,300
5,464
5,000
300
6,300 5,000 5,464 300
2b
Can you introduce China now?
China is a great country.
For population, it has... in the world. It is a lot/ much ...than...
It is ... in size. It is ...than....
As for history, it is one of .... It is much older than...
I love my country.
In fact, there are many places of interest in China.
And one of them is the Great Wall.
The Great Wall
He who doesn’t reach the Great Wall is not a true man.
不到长城非好汉。
Which emperor started to built the Great Wall?
Qin Shi Huang is an ancient emperor in Qin Dynasty.
/'e?n??nt/ /'da?n?sti/
古代的 朝代
2d
Role-play the conversation.
Guide: Feel free to ask me anything on today’s Great
Wall tour.
Tourist 1: 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.
随便……
Tourist 2: 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 other
man-made objects as big as this.
Tourist 3: Is Badaling part of the Ming Great Wall?
Guide : Yes, it’s the most famous part.
adj.令人大为惊奇的；令人惊喜（或惊叹）的
adj.古代的；古老的
P50 2d Listen and circle the right answers
Which is the most famous part of the Ming Great Wall?
(Jiayuguan / Badaling)
the Ming Great Wall
How long is the Ming Great Wall?
(about 8,850 kilometers / more than 8,850 kilometers)
Why did the ancient emperors build the wall?
(to protect their country / to make the wall famous )
Listen and circle:
策略：听前预测+画关键词
Guide: anything Great Wall tour Feel free to ask me on today's
Tourist 1: is the wall How long
Guide: popular the most question Ah
we're If only Ming Dynasty talking about the parts from the
it's kilometers long about 8,850
makes This it in the world
the longest wall
Try to make the conversation in the right order.
Feel free to ask me anything on today's
Great Wall tour.
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.
Tourist 2: Wow, that's amazing!
build the wall did the ancient emperors Why
Guide: part of the country was to The main reason protect their
it's quite As you tall and wide can see
there are as big as this As far as I know no other man-made objects
Tourist 3: Is of the Ming Great Wall
Badaling part
Guide: the most it's famous part Yes
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.
Is Badaling part of the Ming Great Wall?
Yes, it's the most famous part.
Now let’s talk about the Great Wall. The parts from the Ming Dynasty is about 8850 kilometers long. This _________________________________. The ancient emperors built it to _______ their part of the country. It is quite ___________ and there are no other __________ objects _________ this. Badaling is the most famous part of the Ming Great Wall.
makes it the longest wall in the world
protect
tall and wide
man-made
as big as
Fill in the blanks according to the conversation.
__________________ (可以)随便(做某事)
___________________?就我所知
__________________?平方米?
__________________?咸水湖
_____________________?最多的人口
feel free (to do sth.)
as far as I know?
square meters?
salt lakes?
the biggest population?
What’s the population of ...?
It is … meters high (long, wide…).
Summary
1.形容词的最高级及比较级表达最高级含义：
the+ 形容词/副词最高级 ...+in/of = 比较级+ than any other + 单数n.
Qomolangma is higher than any other mountain in the world.=Qomolangma is the highest mountain in the world.
The Sahara is bigger than any other desert in the world. =The Sahara is the biggest desert in the world.
2. one of+形容词最高级+名词复数 : 表示...之一
China is one of the oldest countries in the world.
3. much/ a lot +形容词比较级+ than...
China is much/ a lot older than the United States.
4. 表示长、宽、高时常用句型：
基数词 + 单位词（meter, foot, inch, kilo等）+ 形容词（ long, wide, high, tall）
Exercise
单项选择。
1. I think she is ____ girl 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
3. —We will certainly enter a good high school ______
we work hard.
—Yes, our dream will come true by working hard.
A. as soon as B. as long as
C. as far as D. even if
B
4. The population of the world ______ still _____ now.
A. will; grow B. has; grown
C. is; growing D. is; grown
C
5. The teacher told me that light _______ at high speed.
A. traveled B. would travel C. travels
C
Ⅱ.?根据汉语意思完成英语句子，每空一词。
1.?就我所知，Alex是班里最勤奋的学生。
_______ _______ _______ _______ _______, Alex is the most hard-working student in the class.
2.?里海比其他的咸水湖都深。
The Caspian Sea is ________ ________ ________ ________ ________ ________.
3.?在整个市里我们镇的人口最多。
Our town ________ ________ ________ ________ in the whole city.
As far as I know
deeper than
has the biggest / largest
the other salt lakes
population
4.?我们学校操场面积约为200平方米。
Our school playground is about 200 ________ ________ ________ ________.
5.?孩子们，桌子上的东西随便吃！
Children, ________ ________ to eat anything on the table.
meters in size
feel free
square
Homework
Find more world records with numbers on the Internet and try to read it in English.
