Unit 7 What's the highest mountain in the world? Section A (1a~2d) 课件(共23张PPT，内嵌音视频) 2024-2025学年英语人

(共23张PPT)
Unit 7
What's the highest mountain in the world
Section A (1a~2d)
Let’s watch a video and answer the question.
What is the longest and the second longest river in China
能说出并正确运用本课时的重点单词和短语：
square, meter, deep, desert, population, feel free, as far as I know, man-made等。
1
2
3
能掌握形容词比较级、最高级的常见句型。
能使用形容词的比较级和最高级谈论地理和自然现象。
Activity 1
目标一:能掌握形容词比较级、最高级的常见句型
Do you know these places
Qomolangma
Qomolangma runs along the border between China and Nepal. It is covered with snow all the year round. It’s 8844.43 meters high, the highest mountain in the world.
the Nile
The Nile is the longest river in the world. It’s more than 6600 kilometers long. It runs through 9 countries and runs into the Mediterranean Sea (地中海) in the end.
珠穆朗玛峰
尼罗河
the Caspian Sea
The Caspian Sea is the deepest salt lake in the world. It's 1,025 meters deep. It lies in the border between Asia and Europe.
the Sahara
The Sahara is the biggest desert in the world. It's about 9,600,000 square kilometers in size. It is located in the northern Africa.
里海
撒哈拉沙漠
Match the facts you know.
1a
想一想：1.怎么读上面的数字？
2.如何用英语表达某物的长度，高度，深度和面积等
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
总结归纳：
先从右往左数，每三位数加一个逗号（即以此把数目分为若干段）。第一个逗号前的数为 thousand（千），第二个逗号前的数为 million（百万），第三个逗号前的数为billion（十亿）。
9,987,654,321
million
billion
thousand
nine billion, nine hundred and eighty-seven million,
six hundred and fifty-four thousand, three hundred and twenty-one
hundred
解读：从右往左，第一个逗号前读thousand；向左再推三位，第二个逗号前读million；第三个逗号前读billion。
千位以上基数词的表达法
6,671 kilometers long
about 9,600,000 square kilometers in size
1,025 meters deep
8,844.43 meters high
Read following numbers to your partner then let’s check.
(six thousand six hundred and seventy-one)
(nine million six hundred thousand)
(one thousand and twenty-five)
(eight thousand eight hundred and forty-four point four three)
长度，宽度，高度，深度的表示方法
英语中，表示长、宽、高等时，主要有两种表达方式：
① 基数词＋单位词十形容词（long, wide, high, deep等）
② 基数词十单位词＋in＋名词（ length, width, height, depth, size等）
单位词有 meter, foot, kilogram等。
“这个箱子重10公斤”，可说:
The box is 10 kilograms 或The box is 10 kilos in weight，但习惯上不说 The box is 10 kilograms heavy。
1b
Activity 2
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
“形容词的比较级 + than any other +单数名词 ”
表示“比其他任何一个……都……”
该结构可与“最高级+单数名词”或“形容词的比较级+ than the other+复数名词相互转换。如：
This book is more difficult than any other book here.
=This book is the most difficult book here．
=This book is more difficult than the other books here.
在这里这本书最难。
与组员讨论完成同义句转换，随机选出几位小组代表口头说出答案。
1. Qomolangma is higher than any other mountain in the world.
2. The Sahara is the biggest desert in the world.
3. The Caspian Sea is the deepest of all the salt lakes.
4. The Nile is the longest river in the world.
1. Qomolangma is higher than the other mountains in the world.
Qomolangma is the highest mountain in the world.
2.The Sahara is bigger than any other desert in the world.
The Sahara is the bigger than the other deserts in the world.
3.The Caspian Sea is the deeper than the other lakes in the world.
The Caspian Sea is deeper than any other lake in the world.
4.The Nile is longer than any other river in the world.
The Nile is the longer than the other rivers in the world.
Group work
Activity 3
Use the information in 1a and 1b to make conversations.
1c
Pair work
These expressions may help you
—What is the ... in the world
—How long/big/high/deep is it
—What’s length/size/height/depth of it
—It’s ... long/high/deep.
It’s ... in length/size/height/depth.
Qomolangma 8,844.43 meters high
The Sahara about 9,600,000 square kilometers in size
The Caspian Sea 1,025 meters deep
The Nile 6,671 kilometers long
What is the highest mountain in the world
Qomolangma.
目标二:能使用形容词的比较级和最高级谈论地理和自然现象
My pen pal Mike from the USA is in China now. Can you tell him a bit more about China Can you find the differences between China and America
Activity 1
How long is the Yangtze River
How long is the Yellow River
How long does the history of China last
How long does the history of the USA last
What's the population of China
What's the population of America
Which country is larger, China or America
Do you know
Activity 2
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.
2
4
1
3
Can you read them
6,300
six thousand three hundred
5,000
five thousand
5,464
five thousand four hundred and sixty-four
300
three hundred
2b
Listen again and fill in the blanks in 2a with the numbers in the box.
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.
6,300
5,464
5,000
300
Tapescript
Mike: Hi, I’m Mike. I’m from the United States.
Boy：Welcome to our class, Mike. We’re happy to meet you.
Mike: Can you tell me a bit more about China
Girl：Sure! Did you know that China is one of the oldest countries in the world
It’s over 5,000 years old.
Mike: Yes, I did. It’s much older than my country — in fact, the United States
is one of the youngest countries in the world. It’s not even 300 years old.
Boy：And China has the biggest population, too. It’s a lot bigger than the
population of the United States.
Mike: But China is about the same size as the US, right
Girl：Yes, and it’s the biggest country in Asia. We also have some famous
rivers. The Yangtze River is the longest river in Asia. It’s about 6,300
kilometers long.
Mike：Wow! I didn’t know that. I thought the Yellow River was longer.
Boy：No, the Yellow River is 5,464 kilometers long. But both rivers are very
important to China.
(1)“one of the + 形容词最高级 +可数名词复数”意为 “最…的…之一”。此结构作主语时,谓语动词要用第三人称单数。
(2) that China is ...是know的宾语从句，尽管主句的时态是一般过去时，但由于宾语从句陈述的是客观事实，所以从句仍用一般现在时。
2c
Activity 3
Make conversations using the information in 2a.
Did you know that China is one of the oldest countries in the world
Yes, I did. It's much older than my country.
Pair work
Activity 4
It is wide enough for five horses or ten men to walk side by side. As far as I know, it is an amazing wonder(奇迹). Lots of tourists visit there every day .
The Great Wall
Let's play a guessing game
It lies in many provinces. It is very famous all over the world. It is about 21,196.18 kilometers long. It was built by emperors in different times. They want to protect their part of the country.
It was made of stones and earth. It was difficult to build it in ancient times without any modern (现代的) machines. All the work was done by hand. So it is a man-made object.
Read 2d and and answer the questions.
Activity 5
1. Which is the biggest man-made object in the world？
2. Which is the most famous part of the Great Wall
3. How long is the part from the Ming Dynasty
4. Why did the ancient emperors build the wall
The Great Wall.
Badaling part of the Ming Great Wall.
It's about 8,850 kilometers long.
The main reason was to protect their part of the country.
role-play the conversation.
2d
Read the dialogue aloud for a few minutes by yourself;
Role play in groups;
Role play in front of the class.
We’ll see which group does the best.
Role play
G: Feel free to ask me anything on today's Great Wall tour.
T: How long is the wall
G: 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.
T: Wow, that’s amazing! Why did the ancient emperors build the wall
G: 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.
T: Is Badaling part of the Ming Great Wall
G: Yes, it’s the most famous part.
Make a oral composition about China, using the information in 2a, 2b and 2d.
描述的时候注意用上比较级和最高级！
What is the longest and the second longest river in China
How long is the Yangtze River
How long is the Yellow River
How long does the history of China last
What's the population of China
Which is the biggest man-made object in the world？
Which is the most famous part of the Great Wall
...