人教版八年级英语下册Unit 7 What's the highest mountain in the world? Section A(1a--2d)课件(共29张PPT)

(共29张PPT)
人教版八年级英语下册
Unit7
What’s the highest mountain in the world
Section A（1a-2d）
Studying aims:
1. Learn how to express numbers.
2. Learn how to use comparatives
and superlatives to compare things.
Ask and answer
Warm-up
Do you know how high Qomolangma is
It’s 8,844.43 meters high.
Warm-up
Do you know how long the Nile is
It’s more than 6,671 kilometers long.
Warm-up
Do you know how deep the Caspian Sea is
It’s 1,025 meters deep.
Warm-up
Do you what size the Sahara is /
It’s about 9,600,000 square kilometers in size.
How big is it
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
[skwe ] n.
平方；正方形
[’mi:t (r)] n.米
[di:p] adj. 深的
Presentation
Match the facts you know.
1a
Explanation
1. square kilometer=km2
square meter=m2
2. 度量单位使用规律
基数词+meters/kilometers+high/deep/long/wide
3. How+high/deep/long/wide/big… +be+主语？
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
1b
What is the highest mountain in the world
Qomolangma.
How high is it
It’s 8843,43 meters high.
Use the information above to make conversations.
1c
Which is the highest mountain in the world
Which is the longest river in Asia
Pair work-Talk about these pictures in pairs.
How long is the Yangtze River
How long is the Yellow River
What’s the population of China
What’s the population of America
How long does the history of China last
How long does the history of America last
Do
you
know

Listen and number the facts [1-4] in the order you hear them.
1
4
3
2
__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.
2a
Listen again and fill in the blanks
in 2a with the numbers in the box.
6,300
5,464
5,000
300
1
4
3
2
__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.
2b
566 ________________________________
3,872__________________________________
__________________________________
84,321_________________________________
__________________________________ 18,657,420_____________________________
__________________________________
Exercise
three thousand eight hundred and
seventy-two
eighty-four thousand three hundred
and twenty-one
eighteen million, six hundred and
fifty-seven thousand, four hundred and twenty
five hundred and sixty-six
hundred
thousand
million
billon
Read the conversation and answer the questions:
1. Which is the biggest man-made object in the world？
2. Which is the most famous part of the Ming Great Wall
The Great Wall.
Badaling part of the wall.
2d
Language points
1. Feel free to ask me anything on today’s Great Wall tour.
在今天的长城游中，大家尽管问我任何问题，不要拘束。
feel free是英语口语中一个常用表达。若有人让你feel free to do something，就是让你无需拘束，只管按照自己的意愿去做某事。
e.g.
A: Can I use your bathroom
我可以用一下你的卫生间吗？
B: Yes, feel free.
可以，请随意。
as far as I know是一个固定的表达方式，还可以说so far as I know，意思是“据我所知”。
2. As far as I know, there are no man-made objects as big as this.
据我所知，再没有像它这样大的人造物体了。
e.g. As far as I know, Jack’s got twin sisters.
就我所知，杰克有一对孪生姐妹。
They’re not coming today, so far as I know.
他们今天不来了—— 就我所知是这样的。
Ⅰ. 用所给词的适当形式填空
1. Many_______(tour) come here to visit the big tree every year.
2. India is one of the_____ (old) countries in Asia.
3. The population of China_____ (be) the biggest in the world.
4. Mountain Tai is a lot_______ (high) than any other mountain in Shandong.
5. Dale didn’t go to the party. The main reason was________
(study) for the test.
Exercise
tourists
oldest
is
higher
to study
6.Hainan is a very large Island .It is the
second _________ island in china. (large)
7.He is ______________ among us. (careful)
8.The busier he is, the ________ he feels. (happy)
9.I think Yao Ming is one of ____________
basketball players in NBA. (hot)
the most careful
happier
largest
the hottest
1. ---Can you write the number eighty-five
thousand, six hundred and twenty-six
---Yes, it is __________.
A. 85662 B. 85626 C. 58662 D. 58626
2. _______ trees were planted on the
mountain last year.
　 A. Thousands of B. Thousand of
C. Five thousands of D. Five thousands
Ⅱ. 单项选择
3. _____ is the population of your country
　　 A. How many B. How much
C. Which D. What
4. As time goes on, the world’s population
is _________.
A. more and more
B. larger and larger
C. smaller and smaller
D. fewer and fewer
III. 句型转换
1. This is a 2, 500-meter-long river. (改为同义句)
This river is 2, 500　　　　　 　　　　　.
2. The US is not as large as Russia. (改为同义句)
Russia is　　　　　 　　　　　the US.
3. The population of Australia is 19, 300, 000. (对画线部分提问)
　　　　　 　　　　　the population of Australia
meters long
larger than
What is
4. The Great Wall is the longest wall. (改为同义句)
The Great Wall is　　　　　 　　　　　any other wall.
5. Qomolangma is the highest mountain in the world. (对画线部分提问)
　　　　　 　　　　　the highest mountain in the world
longer than
What is
1.这条河长三百米。
The river is 300 meters long.
2.尼罗河是世界上全长的河。
The Nile is the longest river in the world.
=The Nile is longer than any other river
in the world.
3.姚明要比郭敬明高得多。
Yao Ming is much taller than Guo Jingming.
IV.Translate the sentences
Homework
Preview 3a