Unit7 What's the highest mountain in the world？ SectionA 1a-2b 课件(共39张PPT)

(共39张PPT)
classroom
6 meters
long
5 meters
wide
How big is the classroom
It’s 30 square meters in size.
平方米
在大小方面
宽的
1,000 10,000 100,000
1,000,000 10,000,000 100,000,000
1,000,000,000 10,000,000,000 100,000,000,000
thousand
million
billion
518
1,025
6,671
9,600,000
1,400,000,000
five hundred and eighteen
nine million six hundred thousand
one thousand and twenty-five
six thousand six hundred and seventy-one
one billion four hundred million
How big is China
It’s 9,600,000 square kilometers in size.
平方公里
Places of interest
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
is
深的
How big is the Qomolangma
由“how +形容词”构成的疑问词组有：
how old, how many, how much, how far, how long, how wide, how high, how deep, how big…
2. The Caspian Sea is 1,025 meters deep.
英语中，表示物体有多长（宽、高…）时，一般将数词和数量单位放在表示长、宽、高等的形容词前。
12米深
7米长
50米高
It’s 75 meters wide.
It’s 315 meters long.
Qomolangma is _______ than any other mountain in the world.
=Qomolangma is the highest mountain in the world.
比较级+than any other +单数名词：比其他…都…
用比较级的形式表达最高级含义
higher
比较级+than any other +单数名词：比其他…都…
用比较级的形式表达最高级含义(=the +最高级)
Taiwan is bigger than any other island in China.
Taiwan is the biggest island in China.
(用比较级改写成同义句)
=
The Sahara is __________ desert in the world.
The Caspian Sea is ___________ of all the salt lakes.
the deepest
the biggest
The Nile is ____________ river in the world.
And the Amazon river is the second longest river in the world.
the longest
the +序数词+最高级+（单数名词）
表示“第几（最）…”
the +序数词+最高级+（名词单数）
表示“第几（最）…”
海南岛（Hainan Island）是中国第二大岛。
Hainan Island is the second biggest (island) in China.
Make conversations with your partner.
A: What is the highest mountain in the
world
B: Qomolangma.
B: How high is it
A: It’s over 8,844 meters high.
A: What is the longest/ highest/deepest/
biggest … in the world
B: ...
A: How long/ high/deep/ big is it
B: It’s … long/ high/ deep/ in size.
China is one of ________ (old)countries in the world. In fact, it’s one of the four a_______ countries in the world.
the oldest
ancient
古代的，古老的
China has _______ (many)people on the earth.
And it is the biggest country in A____.
Every year, many __________ (tour)come to China and visit ______________.
the most
Asia
the Great Wall
tourists
旅行者
旅行
亚洲
We also have some famous rivers.
______________ is the longest river in Asia.
_______________is the second longest in Asia.
The Yangtze river
The Yellow river
Mike comes from the United States.
He wants to know more about China.
Listen to the conversation between him and his classmates. Finish 2a and 2b.
China has the biggest population in the world.
population:“人口”。
表示人口“多”: large/ big population;
表示人口“少”: small population
There are 1,400,000,000 people in China.
= The population of China is 1,400,000,000.
…的人口数量
2. It’s a lot bigger than the population of the US.
It has a much longer history than the US.
可修饰比较级的程度副词：
much; a lot; still; even; a little; a bit…
这部电影比那部电影有趣得多。
This movie is _____________________than that one.
much more interesting
3. China is almost as big as the US.
as+原级+as：和…一样
这部电影和那部电影一样有趣。
This movie is _______________as that one.
as interesting as
square meter
square kilometer
in size
hundred
thousand
million
billion
deep
ancient
Asia
tour
tourist
how big, how deep, how long, how high…
2 meters long
higher than any other mountain
the second longest river
one of the oldest countries
the population of…
a lot bigger than…
much longer than…
as big as…
Ⅰ.单项选择。
( C )1.Do you know that everything is ________ on the moon than on the earth
A．heavy B．the heaviest
C．much lighter D．the lightest
( D ) 12.—________ is the Qomolangma
—It's 8, 848 meters. It's very hard to climb the mountain.
A．How deep　　B．How long　　C．How far　　 D．How high
( D )3.—What's the ____ of Beihai
—About 1 million.
A．date B．number
C．person D．population
( B )4.The river is very _____.You mustn't swim in it.
A．wide B．deep C．big D．long
( A )5.—Henry's new house is about 300
square meters ________ size.
—It's so large!
A．in B．on C．at D．with
Ⅱ.用括号内所给单词的适当形式填空。
6．Tom’s room is a lot wider (wide) than Jimmy’s room.
7．Is Shanghai the second largest (large) city in China
8．The Sahara is bigger (big) than any other desert in the world.
9．What is the deepest (deep) sea in the world
10．The tree in front of the house is about ten meters (meter) tall.
You are a tour guide. Please introduce Beihai to your tourists. Use the following information to help you.
Size 3,337 square kilometers
Population 1,740,000
Places of interest the Silver Beach(one of the most popular places);
Beihai old street(1,440 meters)
Hello, everyone! Welcome to Beihai!
I’m your tour guide.
….
I hope you will have a great time.
Size 3,337 square kilometers
Population 1,740,000
Places of interest the Silver Beach(one of the most popular places)；
Beihai old street(1,440 meters long)
Beihai is 3,337 square kilometers in size.
The population of Beihai is 1,740,000.
Beihai is a tourist city.
There are many places of interest, such as the Silver beach and Beihai old street.
The Silver Beach is very beautiful.
It’s one of the most popular places.
Beihai old street is 1,440 meters long.
It’s over one hundred years old.