Unit 7 What's the highest mountain in the world? SectionA（1a-2d）课件（共有PPT37张，含音频）

(共37张PPT)
Section A
Period 1 (1a-2d)
Unit 7
What’s the highest mountain in the world
square
meter
deep
desert
population
Asia
feel free
tour
n. 平方；正方形
n. 米；公尺
adj. 深的；纵深的
n. 沙漠
n. 人口；人口数量
n. 亚洲
(可以)随便(做某事)
n.&v. 旅行；旅游
New words
tourist
wall
amazing
ancient
protect
wide
as far as I know
man-made
n. 旅行者；观光者
n. 墙
adj. 令人大为惊奇的；令人惊喜的
adj. 古代的；古老的
v. 保护；防护
adj. 宽的；宽阔的
就我所知
人造的
New words
Can you read these numbers
100
1000
10,000
100,000
1,000,000
10,000,000
100,000,000
1,000,000,000
9,600,000
one hundred 一百
one thousand 一千
ten thousand 一万
one hundred thousand 十万
one million 一百万
ten million一千万
one hundred million一亿
one billion 十亿
1,300,000,000
20,231
twenty thousand two hundred and thirty-one
nine million six hundred thousand
one billion three hundred million
thousand
million
billion
数词的解读技巧
如果在万位以下的话只要直接读出该数值即可。
特大数字如果在万位以上的话，是通过三位三位的读，来读出数值。
一般的排列顺序是从大到小：billion, million, thousand, hundred. 这些英文的数值代表三位三位的进位读法，每次读完一个单元后，就加上这些数值。
100
1000
1,000,000
1,000,000,000
one hundred 一百
one thousand 一千
one million 一百万
one billion 十亿
111,121,435,678
billion
million
thousand
one hundred and eleven billion
one hundred and twenty-one million
four hundred and thirty-five thousand
six hundred and seventy-eight
48
564
4,321
23,357
1,243,233
thousand 千
hundred 百
million 百万
forty-eight
five hundred and sixty-four
four thousand , three hundred and twenty-one
twenty-three thousand ,three hundred and fifty-seven
One million, two hundred and forty-three thousand, two hundred and thirty-three
billion 十亿
Read these numbers！
8,844
6,671
1,025
9,600,000
.43
point
Read these numbers！
nine million six hundred thousand
six thousand six hundred and seventy-one
one thousand and twenty-five
eight thousand eight hundred and forty-four
point four three
8,844
6,671
1,025
9,600,000
the largest
the smallest
larger than any other number
smaller than any other number
.43
point
Read these numbers！
larger than the other numbers
smaller than the other numbers
Let’s talk!
What do we learn in a geography class
geography
Let’s enjoy the beauty of nature!
mountain
desert
river
lake
ocean
salt lake
咸水湖
fresh lake
淡水湖
A:What’s the longest river in the world
B:The Nile is the longest.
A:How long is it
B:It’s over 6,671 kilometers long.
A:What is the second longest river in the world
B: The Amazon is the second longest river in the world.
6,671 kilometers
six thousand six hundred and seventy-one
It is in Africa.
A: What’s the deepest salt lake in the world
B: The Caspian Sea is the deepest salt lake in the world.
It is deeper than any other salt lake.
A: How deep is it
B: It is 1,025 meters deep.
one thousand and twenty-five
1,025 meters
A: What’s the highest mountain in the world
B: Qomolangma is the highest mountain in the world.
It is higher than any other mountain.
A: How high is it
B: It is 8,844.43 meters high.
eight thousand eight hundred and forty-four point four three
8,844.43 meters
It is in China.
A: What’s the biggest desert in the world
B: The Sahara is the biggest desert in the world .
A: What’s the size of the Sahara
B:It is about 9,600,000 square kilometers in size.
desert
9,600,000 square kilometers
It is in North Africa.
nine million six hundred thousand
面积
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
… meters high (long,wide,deep…)
…米高（长,宽,深…)
e.g. The wall is 1.7 metres wide.
A: How high\tall is Qomolangma
B: It’s 8,844 meters high.
Practice
A:How big is the Sahara (in size)
B:It’s about 8,000,000 square kilometers in size.
A: How deep is The Caspian Sea
B: It’s 1,025 meters deep.
A: How long is the Neil
B: It’s 6,671 meters long.
A: How long is the Nile
\What is the length of
A: How wide is the wall
B: It’s 1.7 metres wide.
问高度
问大小（面积）
问深度
问长度
问宽度
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.
1b
Listen and complete the sentences.
higher
the biggest
the deepest
the longest
＝Qomolangma is the highest mountain in the world.
Amazon is the second longest river in the world.
A: What is the biggest/ … in the world
B: … is….
A: How deep\wide\long\high… is it
B: It is… .
Pairwork: choose any picture to ask and answer.
8,844.43 meters high
1,025 meters deep
6,671 kilometers long
about 9,600,000 square kilometers in size
China is one of __________countries in the world. It’s over ______years old. In fact, it’s one of the four ________ countries in the world.
5,000
As Chinese, how much do you know about our motherland
古老的，古代 的
the oldest
ancient
The Yangtze River is the third longest river in the world, the first Asian river. It’s 6211.31 kilometers long. It runs into the East Sea in Shanghai finally.
The Yangtze River
___ 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, but it is the biggest country in Asia.
2a
Listen and number the facts(1- 4) in the order you hear them.
A: What is the population of China
B: China has a population of 1.3 billion(十亿).
How large is the population of China
___ 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, but it is the biggest country in Asia.
2a&2b
4
2
1
3
6,300
5,464
5,000
300
Listen and number the facts(1-4) in the order
you hear them.
6,300 5,000 5,464 300
Make conversations using the information in 2a.
2c
A: Did you know that China is one of
the oldest countries in the world
B: Yes, I did. It’s much older than my country.
为什么前后时态
不一样呢？
修饰比较级还有
哪些词呢？
much, a lot, far,a little, a bit, even, still
that China is…是know的宾语从句。尽管主句的动词是过去时态，但由于宾语从句陈述的是客观事实，所以从句仍用一般现在时。
China has _________people on the earth. And it is the biggest country in ______. Every year, many tourists come to China and visit _______________.
the Great Wall
Asia
the most
中国的长城共有近一万公里，东起河北秦皇岛的山海关，西到嘉峪关，这是明代修筑长城的两个最大关口，北京境内的长城有600余公里，比较著名的有八达岭长城、金山岭长城、司马台长城、慕田峪长城、居庸关长城和箭扣长城等。
The Great Wall
The Great Wall
How long
Its outlook
Why ...
The most famous
part
2d
Skim 2d and complete the mind map.
The Ming Great Wall
8850
kilometers
long
Tall and
wide
To protect the country
Badaling
part
可以随意做某事
正如你所见
据我所知
tour在此处为名词，还可用作动词，意为“旅行，旅游”；其名词形式tourist意为“旅游者”
protect sb./sth. from...
保护某人/某物免受…
主要原因
be part of 属于…的一部分
What have you learned
这节课你学到了什么？请简单总结。
Summary
2. 对于物体长、宽、高、深度 、面积等的表达
3. 形容词和副词的比较级和最高级的用法
Words and phrases:
million, billion, in size, as far as I know , feel free to do sth,
a big/small population……
---How deep is it ---It’s 1,025 meters deep.
Qomolangma is higher than any other mountain.
The Amazon is the second longest river in the world.
Language points
Qomolangma is higher than any other mountain in the world.珠穆朗玛峰比世界上其他任何一座山都高。
“比较级 + than any other + 单数名词 + 比较范围”
＝“比较级 + than the other + 名词复数 + 比较范围”
都意为“比其他的（任何一个）都要更……”，用比较级的形式表达最高级的含义。
A: What is the biggest desert in the world
B: The Sahara.
A: How big is the area（面积多大）
B: It is about 9,600,000 square kilometers
in size.
pair work
population, 人口
1做主语时，谓语动词常用第三人称单数
The population of our city is increasing.
2当表示“人口的百分比，几分之几”时，
谓语动词用复数形式
Fifty percent of the population in Dongguan
are from other provinces.
3.表示人口“多”或“少”，要用large（big）
和small.
Dongguan has a large population.
4. 问人口多少用的句型是：
How large…...
或是What’s the population of…
How large is the population of Dongguan
What is the population of Dongguan
Let’s play a guessing game.
It lies in many provinces. It is very famous all over
the world.。。
It is 21,196.18 kilometers long.
It was built in the different time. And it was made
by different emperors.
It’s made of stones.