(共36张PPT)
Unit 7
What’s the highest mountain
in the world
Section A 1a-2d
What’s it
What’s the highest mountain in the world
Qomolangma.
/ t m lɑ m /
It’s a mountain.
Let’s guess.
What’s it
What’s the longest river in the world
The Nile.
/na /
It’s a river.
Let’s guess.
It’s a lake. Salt lake.
What’s the deepest lake in the world
The Caspian Sea.
/ k sp n/
What’s it
Let’s guess.
Let’s guess.
What’s it
What’s the biggest desert in the world
The Sahara.
/s hɑ r /
It’s a desert / dez t/.
The expression of numbers
4
21
128
5,820
Read these numbers
four
twenty-one
one hundred and twenty- eight
five thousand eight hundred and twenty
How about these
886,510
2,019
7,725,385
84.14
111 ,111 ,111
要读一组长数字，可以先把这组数字分3个数字一组用逗号隔开
111111111
million
（百万）
thousand
（千）
英语里没有万，十万的表达
一万：ten thousand
十万： one hundred thousand
Have a try
86，510
eighty-six thousand five hundred and ten
2，019
two thousand and nineteen
百位数没有，不读
7，725，385
seven million seven hundred and twenty-five thousand three hundred and eighty-five
Have a try
9，600，000
nine million six hundred thousand
84 . 14
eighty-four point one four
小数点用point表示
Can you read these large numbers
hundred
百
thousand
千
million
百万
billion
十亿
trillion
万亿/兆
9,600,000
1,025
6,671
8,844.43
nine million six hundred thousand
one thousand and twenty-five
six thousand six hundred and seventy-one
eight thousand eight hundred and forty-four point four three
[ b lj n]
[ m lj n]
[ tr lj n]
[ θa znd]
[ h ndr d]
0 . 1
3 . 14
4 . 43
zero point one
three point one four
four point four three
Qomolangma 8,844.43 meters high
point
(eight thousand eight hundred and forty-four point four three)
Read small numbers
Work on 1a. Match the facts you know.
What other geographical facts do you know about these places
What is the biggest desert in the world
What is the deepest salt lake in the world
What is the longest river in the world
What is the highest mountain in the world
1b.Listen their discussion at the first time and match the answers.
Qomolangma
The Sahara
The Caspian sea
The Nile
the biggest desert
the highest mountain
the longest river
the deepest salt lake
1b.Listen for the second time and complete the sentence.
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
the highest mountain
bigger than any other desert
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
1b.Listen for the third time and recite the key sentences.
Qomolangma is ___________________.
It is ____________________________ in the world.
The Sahara is ___________________.
It is ______________________ in the world.
The Caspian sea is ___________________.
It is ___________________________ in the world.
The Nile is ___________________.
It is ______________________ in the world.
8844.43 meters high
higher than any other mountain
about 9,600,000 square kilometers in size
the biggest desert
1,025 meters deep
the deepest of all the salt lakes
6,671 kilometers long
the longest river
Pair work
Use the information in 1b to make conversation
What is the highest mountain in the world
Qomolangma.
What do you know about Qomolangma
Qomolangma is 8844.43 meters high.It is higher than any other mountain in the world.
Do you know any geographical facts about China
Yangtze River
Yellow River
How long are the two famous rivers
What's the population of China
人口数量
How long is the Great Wall
Great Wall
Let’s brainstorm.
What can you learn from this picture
China has the biggest population /p pju le n/.
How old is China
It’s over 5,000 years old.
What is the longest river in China
The Yangtze River.
Read the numbers.
6300
six thousand and three hundred
5000
5465
300
five thousand
five thousand, four hundred and sixty-five
three hundred
While-listening
2a
Listen and number the facts [1-4] in the order you hear them.
6,300 5,000 5,464 300
____ 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
n. 亚洲
长江
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.
2
4
6,300
5,464
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 almost as big as the US, and it is the
biggest country in Asia.
1
3
5,000
300
Mike：Hi, I’m Mike. I’m from____ _______ _______.
Boy： Welcome to our class, Mike. We’re happy to meet you.
Mike：Can you tell me ___ ____more about China
Girl： Sure! Did you know that China is one of ____ ______ countries in the world It’s over ______years old.
Mike：Yes, I did. It’s ____ _____ ______my country—in fact, the United States is one of ____ ________countries in the world. It’s not even _____years old.
Listen again and fill in the blanks.
the United States
a bit
the oldest
5,000
much older than
the youngest
300
Boy： And China has___ ________ ___________, too. It’s a lot bigger than the population of the United States.
Mike：But China is about ___ _____ _____as the US, right
Girl： Yes, and it’s the biggest country in Asia. We also have some famous rivers. ____ ______ ______is the longest river in Asia. It’s about ______kilometers long.
Mike：Wow! I didn’t know that. I _______the Yellow River was longer.
Boy： No, the Yellow River is 5,464 kilometers long. But ______rivers are very important to China.
the biggest population
the same size
The Yangtze River
6,300
thought
both
China has the biggest population in the world.
population 集体名词，“人口；人口数量”，
无复数形式。
作主语时，谓语动词用第三人称单数形式。
the population of “……的人口数量”，
人口“多” 用 large 或 big 来修饰；
人口“少” 用 small 来修饰。
分数或百分数修饰 population 作主语时，谓语动词常用复数形式。
询问人口数量：
What’s the population of …
How large is the population of …
不能用how many或how much提问。
你家乡的人口是多少？（翻译句子并写出同义句）
What’s the population of your hometown
_________________________________________
How large is the population of your hometown
4. Did you know that China is one of the oldest countries
in the world
宾语从句表示的内容是客观事实、真理或自然现象等，从句要用一般现在时。
He told me that the earth is larger than the moon.
例：他告诉我地球比月球大。
主句
that 引导的宾语从句
～～～～～～～～～～～～～～～～～～～
～～～～～～～
Role-play the conversation.
2d
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.
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.
Role-play the conversation
Tourist 1
Tourist 2
Tourist 3
The Great Wall is about 8, 850 kilometers long. This makes it the longest wall in the world.
...
...
谈论物体的
宽度
深度
高度
长度
tall/high
deep
long
wide
—It's + 数量+high/tall/long/wide/deep.
1. —How high/tall/long/wide/deep...+ is + 主语
2. 数词+ square kilometer(s)
数词+ square meter(s)
in size
Summary
英语表示“有多长（宽，高……）”时，一般将_____和__________ 放在表示长宽高的形容词___。
数词
数量单位
前
A: How high is Qomolangma
B: It’s 8,844 meters high.
A: How deep is the Caspian Sea
B: It’s 1,025 meters deep.
A: How long is the Nile
B: It’s 6,671 kilometers long.
A: How big is the Sahara
B: It’s about 9,600,000 square kilometers in size.
1. It is … meters high (long, wide…).
2. What’s the population of ...
3. much, even, a little, still, a lot, less+形容词比较级
4. as far as I know…
as / so far as I can remember / I can tell / I can see
as far as 远至
5. 合成词man-made
Summary
用括号内所给词的适当形式填空。
1.Hangzhou will be the third Chinese city to host the _______(Asia)
Games after Beijing and Guangzhou.
2.He wears sunglasses _________ (protect) his eyes against the strong sunlight.
3.Feel free _______ (ask) me anything on today’s Great Wall tour.
4.It’s _______ (amaze) for him ______(pass) the English exam this time.
5.A lot of _______(tour) went to China ______ (visit) the Great Wall every year.
Asian
to protect
to ask
amazing
to pass
tourists
to visit
