Unit 7 What's the highest mountain in the world? Section A（1a-2d）（精讲课件）(共57张PPT，内嵌视频) 2024-2025学年八年级

(共57张PPT)
Section A
1a-2d
Unit 7
What’s the highest mountain in the world
Do you like geography
How much do you know about the world’s greatest (世界之最)
Which is the biggest continent in the world
A. Europe (欧洲) B. Asia (亚洲)
C. North America (北美洲) D. Africa (非洲)
Which is the biggest ocean in the world
A. the Arctic ocean (北冰洋) B. the Atlantic ocean (大西洋)
C. the Indian ocean (印度洋) D. the Pacific ocean (太平洋)
Which is the highest plateau(高原) in the world
A. Qinghai-Tibet Plateau (青藏高原)
B. Pamir Plateau (帕米尔高原)
C. Bolivia plateau (玻利维亚高原)
1
2
3
4
Geographical inquiry report
(地理探究报告)
Clue
(线索）
China
Geographical inquiry report
(地理探究报告)
Clue
(线索）
Geographical inquiry report
(地理探究报告)
Talk about four places in the world
Task 1: Look at the pictures and speak
out the names
Task 2: Listen and pick pictures.
Look at the pictures and speak out the names.
Qomolangma
the Nile
the Caspian Sea
the Sahara
Listen and pick pictures.
C
B
A
D
1
2
3
4
D
A
B
C
1
2
3
4
Geographical inquiry report
(地理探究报告)
Clue
(线索）
Geographical inquiry report
(地理探究报告)
Learn to express large numbers.
Task 1: Talk about geographical facts.
Task 2: 1a Match the facts you know.
Task 3: Let’s read numbers.
How high is it
It’s 8,844.43 meters high.
eight thousand eight hundred and forty-four point four three
height
Task 1:
Talk about geographical facts of these places.
Qomolangma
How big is it in size
It’s about 9,600,000 square kilometers in size
nine million six hundred thousand
size
Task 1:
Talk about geographical facts of these places.
the Sahara
How deep is it
It’s 1,025 meters deep.
one thousand and twenty-five
depth
Task 1:
Talk about geographical facts of these places.
the Caspian Sea
How long is it
It’s 6,671 kilometers long.
six thousand six hundred and seventy-one
length
Task 1:
Talk about geographical facts of these places.
the Nile
Match the facts you know.
Pre-listening
1a
Qomolangma
the Nile
the Caspian Sea
the Sahara
about 9,600,000
square kilometers in size
1,025 meters deep
6,671 kilometers long
8,848.86 meters high
=in depth
=in length
=in height
长、宽、高、深、面积的表达结构：
数字 + 单位词 + adj.（deep,long, high...）
= 数字 + 单位词 + in + n.（depth,length,
height,size...）
【拓展延伸】
作定语时用合成词“数词 - 单位词单数 – 形容词”。
This 20-meter-long rope isn’t long enough to
help climb the mountain.
Language points
长、宽、高、深等的表达法
How high is it
= What’s the height of it
It’s 8,848.86 meters high.
It’s 8,848.86 meters in height.
How long is it
= What’s the length of it
It’s 6,671 kilometers long.
It’s 6,671 kilometers in lengh.
How deep is it
= What’s the depth of it？
It’s 1,025 meters deep.
It’s 1,025 meters in depth.
How big is it
= What’s the size of it
It’s about 9,000,000 square kilometers in size.
Ask: How long/wide/high/deep/big + be + 主语
Answer:
长
宽
高
大小
深
基数词 + 单位词 + 形容词(long, wide, high, deep)
基数词 + 单位词 + in + 名词(length, width, height, depth, size)
Language points
长、宽、高、深等的表达法
主语 + be +
【拓展延伸】复合形容词作定语: “数词-单位词单数-形容词”
20-meter-long 20 米长的
What’s the length/width/height/depth/size+ of + 主语
Language points
How to write and read large numbers
The Caspian Sea is 1,025 meters deep.
The Nile is 6,671 kilometers long.
Qomolangma is 8,848.86 meters high.
The Sahara is about 9,000,000 square kilometers in size.
one thousand
and
twenty-five
six thousand
and
seventy-one
six hundred
eight thousand
and
forty-eight
eight hundred
point
eight six
nine million
Language points
2,506,981,065.34
Step2: 从右到左，小数点读 “point”，第一个 “,” 读thousand(千), 第二个 “,” 读million(百万)，第三个 “,” 读billion(十亿)。
Step1: 从小数点开始从右到左，每3个数加一个“,”。
Step3：每隔三位分段以后就都成了101 - 999。读的时候按百位数读。从左到右读数，百位和十位之间加and，若十位为0，and不省略，若百位为0，thousand和十 位之间加and，小数点后面的数只读数字，不读数位。
billion
point
thousand
million
and
and
and
two billion five hundred and six million nine hundred and eighty-one thousand and sixty-five point three four
How to write and read large numbers
Watch videos and guess.
What is it
It’s ____________.
It’s the ________ ________ in the world.
It’s ______ than any other _________ in the world.
mountain
highest
higher
deeper
deepest
salt lake
longer
longest
river
bigger
biggest
desert
mountain
desert
salt lake
river
1b. Listen and complete the sentences.
Qomolangma is _______ than any other mountain in the world.
The Sahara is ___________ desert in the world.
The Caspian Sea is ___________ of all the salt lakes.
The Nile is ___________ river in the world.
higher
the biggest
the deepest
the longest
当我们想表达 “主语是...中最...的” 的时候可以用句型:
主语 + be + the + adj.的最高级 + (单名) + of/in短语.
主语 + be + adj.的比较级 + than any other + 单数名词 + of/in短语.
主语 + be + adj.的比较级+ than the other + 复数名词 + of/in短语.
in the world 世界上
咸水湖
Teacher: Yesterday, we learned some important geographical facts. I hope you all still remember them. I’m going to test you now by asking a few questions. First, what’s the highest mountain in the world
Boy 1: Qomolangma! It’s higher than any other mountain in the world.
Teacher: That’s right. And who can tell me what the Sahara is
Girl 1: The Sahara is the biggest desert in the world.
Teacher: Very good. And which is the deepest salt lake in the world
Girl 2: The Caspian Sea is the deepest of all the salt lakes.
Teacher: You’re all so smart! Now, for the last question, which is the longest river in the world
Boy 2: I know! The Nile is the longest river in the world.
Boy 1: And the Amazon is the second longest river in the world.
Teacher: It seems that you know the answers to all my questions. Good job!
Read and underline the superlatives.
地理事实
介词；通过
最后一个问题
the + 序数词 + 形容词最高级 第几…的
answers to questions
问题的答案
好像；似乎
1c. Use the information in 1b to make conversations.
Qomolangma
8,848.86 meters high
the Nile
6,671 meters long
the Sahara
9,000,000 square kilometers
the Caspian Sea
1,025 meters deep
A: What/Which is the ______ ____ in the world
B: It’s _____________.
A: How ______ is it
B: It’s _________________________.
Mountain
River
Sea/Lake
Desert
height
length
depth
area
highest/ tallest
lowest/ shortest
longest
shortest
deepest
shallowest
biggest
smallest
Feature
Most
Least
Think and fill in the table.
Think about:
What feature of a mountain, river, etc. is most obvious
What word can describe the two extremes best
What do you know the top in Asia
How Much Do You Know About China
history
river
population 人口
size 大小
Task 1:
Watch videos and answer questions.
mountain
the Yellow river
the Yangtze river
the biggest population
the biggest country in Asian
Mike is from the USA,he wants to know a lot more about China.
Listen to the conversation between him and his classmates. Finish 2a/2b.Pay attention to these numbers and try to read them.
6,300
5,000
5,464
300
six thousand three hundred
five thousand four hundred and sixty-four
five thoudsand
three hundred
Lead-in
Match the facts with the key words.
population, size, rivers, history
rivers
population
history
size
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.
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
2a
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
2b
Listen again and fill in the blanks in 2a with the numbers in the box.
6,300
5,464
5,000
300
Example: China is one of the oldest countries in the world. It’s over 5,000 years old. It has much longer history than the US. The US is not even 300 years old. China has the biggest population in the world. It’s a lot bigger than the population of the US.China is almost as big as the US.But it is the biggest country in Asia. There are two famous rivers in China. One is the Yangze River, the other is the Yellow River...
Imagine you are Mike,try to give a report by using the information in 2b.
The differences between China and the US
Report time
In fact, there are many places of interest in China.
And one of them is the Great Wall.
The Great Wall
He who doesn’t reach the Great Wall is not a true man.
不到长城非好汉。
Which emperor started to built the Great Wall
Qin Shi Huang is an ancient emperor in Qin Dynasty.
/'e n nt/ /'da n sti/
古代的 朝代
P50 2d Listen and circle the right answers
Which is the most famous part of the Ming Great Wall
(Jiayuguan / Badaling)
the Ming Great Wall
How long is the Ming Great Wall
(about 8,850 kilometers / more than 8,850 kilometers)
Why did the ancient emperors build the wall
(to protect their country / to make the wall famous )
Listen and circle:
策略：听前预测+画关键词
It is a man-made object.
(人造的)
As you can see,
It's quite long , wide and tall .
He who has never been to the Great Wall is not a true man.
That's amazing .
Task 3. Listen to the tape and repeat loudly. 大声跟读
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 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.
1. feel free to do sth. 随意做某事
随意问我一些有关中国的事情。
Feel free to ask me anything about China.
2. …is\was to do … ……是做……
最糟糕的事就是什么也不做。
The worst thing is to do sth.
正如你所看
到的
据我所知， … …
人造物体
2d
Task 1. Read the conversation and complete the passage.
Let's feel free __________(talk)about the Great Wall. If we are only talking about the parts from Ming Dynasty, it is about 8,850 ________________.This makes it __________ (long)wall in the world.
The ancient emperors built it ____________(protect) their part of country. It's quite ______ and _______. There are no other man-made __________(object)as _______(big)as it. And Badaling is _________________(famous)part of the Great Wall.
to talk
kilometers long
the longest
to protect
tall
wide
objects
big
the most famous
We are proud of our own country!
The tops of our hometown家乡美
Geographical inquiry report
(地理探究报告)
Clue
(线索）
Mike
China
Thinking
How to introduce a historic site or a place of interest Discuss with your partner and make a thinking map.
its history
the reason for building it
why it is famous
the story about it
(example)
a historic site or place of interest
its area
its height/length/depth
Choose one of the places. Make a report.
Four students a group.
Student 1: place
Student 2: feature (特征) height, length, depth, size…
Student 3: use comparative or superlative adjectives.
Student 4: reason
Group work
Finish geographical inquiry report.
Evaluation (评价)
你的报告里是否包含
1.明确的地方（无拼写错误）。
2.地方的特征（高/长/深/面积…）
3.形容词比较级和最高级的使用。
4.选择这个地方研究的原因。
5.构图和色彩搭配的创新。
_____________________ (可以)随便(做某事)
_____________________ 就我所知
_____________________ 平方米
_____________________ 咸水湖
_____________________ 最多的人口
feel free (to do sth.)
as far as I know
square meters
salt lakes
the biggest population
What’s the population of ...
It is … meters high (long, wide…).
Ⅰ. 根据语境，从方框中选择恰当的单词填空，注意形式变化。
wall, desert, deep, tour
1. Nick dug a(n) _______ hole and put a small tree in it.
2. Every year, many _______ go to Dali to see the beautiful
Erhai Lake there.
3. On the left and right _______ of our classroom are pictures
of great people, such as Shakespeare and Li Bai.
4. We took a map with us when we started our
journey across the _______.
deep
tourists
walls
desert(s)
Ⅱ. 根据汉语意思完成英语句子，每空一词。
1. 就我所知，这个游泳池有20平方米。
_______ _______ _______ _______ _______, this swimming pool is twenty square meters.
2. 长城是世界上最古老的城墙之一。
The Great Wall is _____ _____ _____ ________ walls in the world.
3. 游客们可以随便问问题。
Tourists can ________ ________ to ask questions.
As far as I know
one of the oldest
feel free
4. 撒哈拉沙漠是世界上最大的沙漠吗？
Is the Sahara ________ ________ ________ in the world
5. 这条河比那条河宽得多。
This river is ________ ________ than that one.
the biggest desert
much wider
. 根据对话内容，从方框中选择恰当的选项补全对话，其中有两项多余。
G
A: Hello, Zhang Ming. I'm going to Chengdu this weekend.
B: Really That's my hometown.
A: I know. (1)_______
B: I believe you'll love it.
A: (2)_______ For example, what's it famous for
A. Do you like pandas
B. I can't wait to see them.
C. Why are you going
there
D. Which place should I
visit
E. Can I see many pandas
there
F. Can you tell me more
about it
G. But it will be my first
time to visit it.
F
B: Sure. It's famous for hot pot and pandas. By the way, how long will you be there
A: Three days. (3)_______
B: You should go to the Chengdu Research Base. It's one of my favorite places.
A: (4)_______
B: Yes, you can. And the baby pandas are really cute.
A: Wow. (5)_______
B: And don't forget to try hot pot.
D
A. Do you like pandas
B. I can't wait to see them.
C. Why are you going
there
D. Which place should I
visit
E. Can I see many pandas
there
F. Can you tell me more
about it
G. But it will be my first
time to visit it.
E
B
Can you introduce China now
China is a great country.
For population, it has... in the world. It is a lot/ much ...than...
It is ... in size. It is ...than....
As for history, it is one of .... It is much older than...
I love my country.
I can
catch numbers in listening and pronounce them
learn to compare facts by giving numbers
talk about geography and nature
Preview Section A (3a – 3c).
Pronounce
1—100 with your partner.