人教版八年级下册Unit7 What's the highest mountain in the world SectionA 2a-2d课件＋音视频(共28张PPT)

(共28张PPT)
What’s the highest mountain in the world
Unit 7
Section A
2a-2d
Review
1.What is the highest mountain in the world
How high is it =What's the height of it
2.What is the biggest desert in the world
How big is it =What size is it
3.What is the deepest salt lake in the world
How deep is it =What's the depth of it
4.What is the longest river in the world
How long is it =What's the length of 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
=in depth
=in length
=in height
wide=in width
Now, let’s turn our attention from the world to our motherland.
What’s the longest wall in China
The Great Wall.
What’s the longest river in China
The Yangtze River.
Watch and answer
What size is it
What are the main things we can see
Which are the most important rivers
About 9,600,000 square kilometers in size.
The Great wall, the Terricotta Army...
Yangtze River and Yellow River.
4. Do you know how long the history
of China is
How long
How old
Time to
Listen
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 about the same size as the US, and it is the biggest country in Asia.
2a
4
2
1
3
Listen again and fill in the blanks in 2a with the numbers in the box.
2b
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 about the same size as the US, and it is the biggest country in Asia.
6,300
5,464
5,000
300
4
2
1
3
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 ___ ____ _____ about China
Girl： Sure! Did you know that China is ____ _____ ____ ______ countries in the world
It’s ______ 5000 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 _____ 300 years old.
Boy： And China has___ ________ ___________, too. It’s __ ___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 6300 ___________ _______.
Mike：Wow! I didn’t know that. I thought the Yellow River was ______.
Boy： No, the Yellow River is 5,464 kilometers long. But ______rivers are very important to China.
Listen again and fill in the blanks.
the United States
a bit more
one of the oldest
over
much older than
the youngest
even
the biggest population
the same size
The Yangtze River
longer
both
a lot
kilometers long
Pay attention to these comparative structures.
同级比较结构
China America
River
Population
History
Size
…
In fact, there are many places of interest in China. And one of them is the .
Great Wall
Great Wall
1.Who are talking
2.What are they talking about
1.How long is the Ming Great Wall
2.Why did the ancient emperors build it
3.How big is it
4.What is the most famous part
2_________________________
1_______________
3.__________
__________
4.____
___________
Now let’s talk about the Great Wall. The parts from the Ming Dynasty is about 8,850 kilometers long. This _________________________________. The ancient emperors built it to _______ their part of the country. It is quite ___________ and there are no other __________ objects _________ this. Badaling is the most famous part of the Ming Great Wall.
makes it the longest wall in the world
protect
tall and wide
man-made
as big as
Fill in the blanks according to the conversation.
Listen→Repeat→Role play
模仿语音语调，体会导游和游客之间的对话语气。
It's quite tall and wide.
It's the longest wall in the world.
The ancient emperors built it to protect their parts of the country.
There are no man-made objects as big as this.
Badaling is the most famous part of the Ming Great Wall.
Retell (Introduce it to your partner.)
Let's learn more about China.
We have so many cultural and historical relics.Love them and let more people know them.
Summary
New words
Sentences
Expressions
square meter deep desert population Asia tour tourist
wall amazing ancient protect wide man-made
feel free as far as I know 长、宽、高、深、面积的表达
amazed
①The Yangtze River is about 6,300 kilometers long.
②Qomolangma is higher than any other mountains in the world.
③ China has the biggest population in the world.
in size protect…from…
Language points
1. China has the biggest population in the world. (教材 P50 2a)
population n. 人口；人口数量
Point
① population 是集体名词，在句中作主语时，谓语动词用单数形式。
The population of the world continues to increase, but in some areas the population is falling.
拓展：分数/百分数+of+ the population 做主语时，谓语动词可用复数形式，也可用单数形式。
About sixty percent of the population in that country is/are farmers.
那个国家大约有百分之六十的人口是农民。
② 表示有多少人口时，用“have/has a population of + 数词”，或“the population of … is + 数词”。
China has a population of about 1.4 billion. = The population of China is about 1.4 billion.
③ 询问人口多少时，用“What is the population of … ”或“How large is the population of … ”。
What/How large is the population of Henan Province
④ 表示人口多少时，用 big/large 或 small 修饰，而不能用 many，much 或 few 等。
India has a large population.
类似的，表示 price（价格）高低，用 high 或 low，不能用 expensive 或 cheap；表示 temperature（温度）高低，用 high 或 low，不能用 hot 或 cold。
3. Wow, that’s amazing. (教材 P50 2d)
amazing adj. 令人大为惊奇的；令人惊喜（惊叹）的
Point
amazing一般用于修饰事物，amazed（感到惊奇的）常用于修饰人。
be amazed at 意为“对……感到惊讶”。
The amazing magic show made me feel so amazed.
I’m amazed at his rapid progress.
【拓展延伸】类似的以 -ing（令人……），-ed（感到……）结尾的形容词：
interesting/interested, surprising/surprised, relaxing/relaxed, moving/moved, tiring/tired, boring/bored, exciting/ excited, …
4. ancient adj. 古代的；古老的 在句中常作定语，修饰名词。ancient 的读音以元音音素开头，其前有不定冠词时应用an. an ancient invention 一项古老发明
5. The main reason was to protect their part of the country.
protect v. 保护；防护
Point
protect此处用作及物动词, protect… against/from…“保护……免于……”。protection作不可数名词，意为“保护；防卫”。
Are we doing enough to protect the environment
He wears sunglasses to protect his eyes against/from the strong sunlight.
It’s parents’ duty to provide protection for their children.
6. As far as I know, there are o other man-made objects ...
(1)as far as I know 据我所知 = so far as I know
as far as... 就...而言 as far as I can see "依我所见''
(2) man-made 复合形容词 人造的 homemade; handmade ;machine-made
tailor-made量身定做
5. The main reason was to protect their part of the country.
protect v. 保护；防护
Point
protect此处用作及物动词, protect… against/from…“保护……免于……”。protection作不可数名词，意为“保护；防卫”。
Are we doing enough to protect the environment
He wears sunglasses to protect his eyes against/from the strong sunlight.
It’s parents’ duty to provide protection for their children.
6. As far as I know, there are o other man-made objects ...
(1)as far as I know 据我所知 = so far as I know
as far as... 就...而言 as far as I can see "依我所见''
(2) man-made 复合形容词 人造的 homemade; handmade ;machine-made
（达州中考）— ______ is the population of China now, Jack
— Let me think for a moment; it is about ______.
A. How many; 1,400 million B. What; 1,400 million
C. What; 140 million D. How many; 140 million
（安徽中考）— The 5G technology can help doctors treat patients who are hundreds of kilometers away.
— It’s really ______.
A. secret B. direct C. amazing D. traditional
Exercises
一、单项选择
B
1
2
C
（潍坊中考）____I know, more and more people in the world are
learning Chinese.
As well as B. As often as
C. As soon as D. As far as
The Yangtze River is about ______.
A. 6300 kilometer long B. 6300 kilometers long
C. 6300-kilometer long D. 6300 kilometers’ long
The girl is ______ than any other girl in her class.
more beautiful B. the most beautiful
C. beautiful D. much beautiful
Exercises
D
3
4
B
5
A
Hangzhou will be the third Chinese city to host the _______(Asia)
Games after Beijing and Guangzhou.
He wears sunglasses _______ (protect) his eyes against the strong sunlight.
Feel free _______ (ask) me anything on today’s Great Wall tour.
It’s _______ (amaze) for him ______(pass) the English exam this time.
A lot of _______(tour) went to China _______ (visit) the Great Wall every year.
Exercises
二、用所给单词的适当形式填空。
Asian
1
2
3
4
to protect
to ask
amazing
to pass
tourists
to visit
5