UNIT 7 Section A 1a-2d （第1课时）人教版初中英语八年级下

(共33张PPT)
Section A(1a—2d)
UNIT 7 What's the highest mountain in the world
第 1 课 时
学 习 目 标
学习本课时新单词、短语及句型：
单词：square, meter(metre), deep, desert, population, Asia, tour,
tourist, wall, amazing, ancient, protect, wide, man-made
短语：feel free, as far as I know
句型：Which is the deepest salt lake in the world
The Amazon is the second longest river in the world.
The Yellow River is 5,464 kilometers long.
1
大数的表达；学习使用比较级和最高级谈论地理和自然事物。
2
Do you know these places
课 堂 导 入
[ t um u lɑ: m ]
[na l]
[ 'k spi n ]
[s 'hɑ:r ]
What do you know about the places above
1. Qomolangma is the highest moutain in the world.
2. The Nile is _______________ in the world.
3. The Caspian Sea is ______________ in the world.
4. The Sahara is ________________ in the world.
the longest river
the deepest sea
the biggest desert
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
课 堂 学 习
1a
6,671
1,025
18,657,430
10,123,456,789
six thousand, six hundred and seventy-one
one thousand and twenty-five
eighteen million, six hundred and fifty-seven thousand, four hundred and thirty
ten billion, one hundred and twenty-three million, four hundred and fifty-six thousand, seven hundred and eighty-nine
Practice
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
the highest mountain
bigger than any other desert
1b
What is the highest mountain in the world
Qomolangma.
How high is it
It’s 8843,43 meters high.
1c
Use the information in 1a and 1b to make conversations.
1c
Practice in pairs.
How much do you know about China
the biggest population
one of the oldest countries
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
Read the tapescript (P103) and find the useful expressions.
1.What/ Which is the highest mountain in the world
2. It's higher than any other mountain in the world.
3. The Amazon is the second longest river in the world.
4. I'm from the United States. ______________
be from 来自，与come from 同义
5. a bit/a little more, much/ a lot older/longer/ bigger(than)
6. one of the oldest/youngest/...countries
7. It's about 6,300 kilometers long.
8. (What's) the population of...
9. the biggest(largest)/smallest population
the useful expressions
Is China one of the oldest countries in the world
Yes, it is. It's much older than the US.
How old is it
It’s over 5,000 years old.
Make conversations using the information in 2a.
2c
Practice in pairs.
2c
Listen, read and role-play the conversation.
Task1. Listen and answer the questions.
1. What are they talking about
___________________________________________
2. How long is it
___________________________________________
It's about 8,850 kilometers long.
They are talking about the Great Wall.
2d
1. Why did the ancient emperor build the Great Wall
________________________________________________
2. Are there any man-made objects bigger than it
____________________________________________
3. Which is the most famous part of the Ming Great Wall
______________________________________________
The main reason was to protect their part of the country.
No, there are no other man-made objects as big as it.
It's Badaling (Great Wall).
2d
Task 2. Read the conversation carefully and answer
the following questions.
Let's feel free ______ (talk) about the Great Wall. If we are only
talking about the parts from the Ming Dynasty, it is about 8,850
_______________. This makes it ______________ in the world.
The ancient emperors built it __________ (protect) their part of
the country. It's quite ___ and ____. There are no other man-made
________(object) as ______ (big) as it. And Badaling is
_______________ part of the Great Wall.
to talk
kilometers long
the longest wall
to protect
tall
wide
objects
big
the most famous
Task3. Role-play the conversation and complete the passage.
2d
1. square kilometer(s)=km2 平方千米
square meter(s)=m2 平方米
2. 度量单位表达：
数字+meters/kilometers+high/deep/long/wide
3. 询问事物的长宽高等信息：
How+high/deep/long/wide… +be+主语？
4.大数的表达：从右往左每三位数分为一段，用“，”隔开，
分别读作thousand, million和 billion；数字中间的“0”读作and。
language points
5. any other后接单数名词；other后接复数名词
6. 比较级+any other短语=最高级
7. feel free to do ... 随意做……
8. ...is/ was to do... ……是做……
9. as you can see,... 正如你所看到的，……
10. as far as I know,... 据我所知，……
language points
课 堂 达 标
1. She is much ______ than she was last year.
A. strong B. stronger C. strongest D. more stronger
2. Shanghai is one of ______ in the world.
A. the famous city B. the more famous cities
C. the most famous city D. the most famous cities
3. The Yellow River is ______ river in China.
A. the longest B. the two longest
C. the second longest D. the second longer
I.单项填空
4. China has the ______ population in the world.
A. most B. least C. biggest D. smallest
5. There are no man-made objects as ______ as the Great Wall in China.
A. big B. bigger C. biggest D. the biggest
6. ______ is the population of China
A. How many B. How much
C. Which D. What
A: I hear that China is very old. How old is it
B: _________________________
A: It's much older than our country. What about the population of China
B: ______________________________________ It's much bigger than the population of the US.
A: ______________________________
B: China. It's bigger than any other country in Asia. And the Yangtze River is the longest in Asia.
A: _____________
B: It's about 6,300 kilometers long. It's very important to China.
II.用恰当的句子完成对话
It's over 5,000 years old.
It has the biggest population in the world.
Which is the biggest country in Asia
How long is it
1. He is the tallest boy in our class. (同义句改写)
He is ______ than _______ _______ _______ in our class.
2. The Nile is longer than any other river in the world.(同义句改写)
The Nile is ____ _______ river in the world.
3. ①太平洋在四大海洋中最大。
The Pacific is ______ ______ of the four oceans.
②太平洋比任何一个海洋都大。
The Pacific is ______ ______ ______ ______ ______.
taller any other boy
the longest
the biggest
bigger than any other ocean
III. 完成句子
4. 据我所知，世界上再没有其他像长城这样大的人造物体了。
______ ______ ______ ______ ______, there are no other
__________ ______ as big as the Great Wall.
5. 中国的人口比世界上其他任何国家多得多。
______ ______ ______China is _____ ______ than that of any other country in the world.
6. 最深的咸水湖有1,025米深。
______ ______ salt lake is 1,025 ______ ______.
The population of
As far as I know
much bigger
III. 完成句子
man-made objects
The deepest
meters deep
Summary
1.大数的表达
2. 使用比较级和最高级谈论地理和自然事物。
1. Write a passage about China, using the
information in 2a, 2b and 2d.
2. Preview the passage in 3a.
Homework
Thank you !