Unit 7 What's the highest mountain in the world? Section A 1a-2c课件(共27张PPT) 人教新目标(Go for it)版八年级下册

(共27张PPT)
Unit 7
What’s the highest mountain in the world
Section A 1a-2c
2023-2024学年人教版八年级英语（下册）★★
1.Master the new words and phrases: square, meter, deep, desert, population, in size…
2. Learn to talk about geographical facts(地理事实) with comparatives and superlatives;
3.Learn to read large numbers.
Qomolangma
the Nile
the Sahara
the Caspian Sea
Qomolangma
The Nile
The Caspian Sea
The Sahara
Qomolangma
The Nile
The Caspian Sea
The Sahara
What's the highest mountain in the world
Qomolangma.
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.
eight thousand eight hundred and forty-eight point eight six
Qomolangma
The Nile
The Caspian Sea
The Sahara
What's the longest river in the world
The Nile.
How long is it / What's the length of it
It's 6,671 kilometers long.
It's 6,671 kilometers in length.
six thousand six hundred and seventy-one
Qomolangma
The Nile
The Caspian Sea
The Sahara
What's the deepest salt lake in the world
The Caspian Sea.
How deep is it / What's the depth of it
It's 1,025 meters deep.
It's 1,025 meters in depth.
one thousand and twenty-five
Qomolangma
The Nile
The Caspian Sea
The Sahara
What's the biggest desert in the world
The Sahara.
How big is it
It's about 9,000,000 square kilometers in size.
( What size is it )
It has/covers 9,000,000 square kilometers.
nine million
1, 034, 507, 890. 12
How to read large numbers
point
thousand
million
billion
and
and
one two
1.要读一组长数字，可以先把这组数字分3个数字一组用逗号隔开。
2.把长数字分为3个数字一组，用逗号隔开，从右到左，把第一个逗号看作thousand，第二个逗号看作million,第三个逗号是billion。英语里没有万和十万的表达，一万：ten thousand
十万： one hundred thousand
3.“ and”在十位数和百位数之间出现，百位数没有数字时，thousand 和十位数之间，and不省略
4.小数点后面的数字按单个读。
Match the facts you know.
1a
Qomolangma
the Nile
the Caspian Sea
the Sahara
about 9,000,000 square kilometers in size
1,025 meters deep
6,671 kilometers long
8,848.86 meters high
=in depth
=in length
=in height
数字 + 单位词 + 形容词（long, wide, high, deep）
= 数字 + 单位词 + in + 名词（length, width, height, depth, size）
1. 长、宽、高、深、面积的表达方法
The river is 20 meters wide. = The river is 20 meters in width.
基数词 + 单位词 + 形容词（long, wide, high, deep等）
基数词 + 单位词 + in + 名词（length, width, height, depth, size等）
【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.
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
Listen and complete the sentences.
1b
=the highest mountain
=bigger than any other desert
=deeper than any other salt lake
=longer than any other river
最高级：the+ 形容词/副词最高级 +单数名词
=形容词、副词比较级+than+any other+单数名词
2. Qomolangma is higher than any other mountain in the world.
比较级 + than any other + 可数名词单数
Point
该结构意为“比其他任何一个……都……”，指同一范围内比较，表示最高级含义。
She is thinner than any other student in her class. = She is the thinnest in her class.
other必不可少，用以将主语从比较对象中排除，避免逻辑矛盾。
【特别提醒】如果比较对象不在同一范围内或不属于同一类别，应用“形容词/副词比较级 + than any（任何的） + 可数名词单数”。
The Pacific Ocean is larger than any lake in the world.
练一练
Hulunbuir is bigger than _____________ city in China.
Hulunbuir is bigger than _____________ city in Anhui.
any other
any
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 _________ mountain in the world
Boy2: Qomolangma! It's higher than ____ _____ _________in the world.
Teacher: That's right. And who can tell me what the Sahara is？
Girl 1: The Sahara is ___ ______ _______in the world.
Teacher: Very good. And which is the deepest ____ ____in the world
Listen again and fill in the blanks.
highest
any other mountain
the biggest desert
salt lake
Girl2: The Caspian Sea is __ ______ ____all the salt lakes.
Teacher: You're all so smart！Now, for the last question, which is ___ _____ _____in the world
Boy 1: I know! ___ ____is the longest river in the world.
Boy2: And the Amazon is ___ _____ _______river in the world.
Teacher: __ ____ ____you know the answers to all my questions. Good job！
Listen again and fill in the blanks.
the deepest of
the longest river
The Nile
the second longest
It seems that
“the+序数词+最高级+单数名词+in…” 表示“是……中的第几……”
Confident
Historic
Intelligent
Noble
Ambitious
C
H
I
N
A
China is a country
with a long history
and rich resources.
Be proud of our motherland!
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 about the same size as the US, and it is the biggest country in Asia.
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 about the same size 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
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 ___ ____more about China
Girl： Sure! Did you know that China is one of ____ ______ countries in the world It’s over ______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 even _____years old.
Listen again and fill in the blanks.
the United States
a bit
the oldest
5,000
much older than
the youngest
300
Boy： And China has___ ________ ___________, too. It’s a lot 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 ______kilometers long.
Mike：Wow! I didn’t know that. I _______the Yellow River was longer.
Boy： No, the Yellow River is 5,464 kilometers long. But ______rivers are very important to China.
the biggest population
the same size
The Yangtze River
6,300
thought
both
Welcome to today’s Great Wall tour!
Listen to the conversation and answer the questions.
1. How long is the Great Wall
2d
If we’re only talking about the parts from the Ming Dynasty, it’s about 8,850 kilometers long.
2. Why did the ancient emperors build the wall
The Badaling part.
The main reason was to protect their part of the country.
3. Which part is the most famous part of the Ming Great Wall
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
Post-listening
（可以）随便（做某事）,其后接动词不定式。
n. & v. 旅行；旅游
n. 墙
adj. 令人大为惊奇的；
令人惊喜（惊叹）的
adj. 古代的；古老的
n. 旅行者；观光者
Listen and read.
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 other 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.
Post-listening
v. 保护；防护
adj. 宽的；宽阔的
就我所知
adj. 人造的
不定式短语作表语
Guide: to ask me anything on today's Great Wall tour.
Tourist 1: is the wall
Guide: Ah, _______________question! If we're only talking about the parts from the Ming Dynasty, it's about 8, 850 kilometers long. This makes it __________________in the world.
Tourist 2: Wow, that's amazing! Why did the ancient _________build the wall
Guide: The was to protect their part of the country. __________ _________,it’s quite tall and wide. , there are no other _________________as big as this.
Tourist 3: Is Badaling the Ming Great Wall
Guide: Yes, it's the most famous part.
Feel free
How long
main reason
As you
can see
As far as I know
part of
Try to retell the conversation.
2d
the most popular
the longest wall
emperors
man-made objects
Homework
1. Collect some top geography facts in the world or in China.
2. Practice with your classmates to speak large numbers.