資源簡介

(共21張PPT)
Unit 7 What's the highest mountain
in the world
Section A 1a-1c
world’s greatest
世界之最
Qomolangma
is 8844.43 meters high, the highest mountain in the world. It’s 26 kilometers long.
How much do you know about this mountain
Lead in
highest
1918.3m
Qomolangma
the Sahara
the Nile
the Caspian Sea
/`t m ，lɑ m /
Qomolangma is 8,844. 43 meters high.
Presentation
hundred
thousand
million
billion
總結歸納：先從右往左數，每三位數加一個逗點（即以此把數目分為若干段）。第一個逗點前的數為thousand（千），第二個逗點前的數為million（百萬），第三個逗點前的數為billion（十億）。
解讀：從右往左，第一個逗號前讀thousand；向左再推三位，第二個逗號前讀million；第三個逗號前讀billion。
9，987，654，321
nine billion，nine hundred and eighty-seven million, six hundred and fifty-four thousand,three hundred and twenty-one
Presentation
/`k sp n/
It is 1,025 meters deep.
deep adj. 深的
/`na l/
It’s 6,671 kilometers long.
/s 'hɑ r /
It’s about 9,600,000 square kilometers in size.
square kilometers=km2
desert
square n. 平方；正方形
/'dez t/
the Sahara
square
meter
desert
deep
Qomolangma
thousand
the Caspian Sea
the Nile
million
Quick Response
Practice
5,851,000
five million, eight hundred and fifty-one thousand
How to read numbers
★ 大數字讀數時，從右往左每三個數字為一組。
★ hundred，thousand，million后不加s.
★ 幾十幾前加and.
Can you read the numbers now
Practice
21,196.18
twenty-one thousand, one hundred and ninety-six point one eight
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
1a Match the facts you know.
1b Listening
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.
Listen and complete the sentences.
higher
the biggest
the deepest
the longest
The Sahara is the biggest desert in the world.
The Nile is the longest river in the world.
The Caspian Sea is the deepest of all the salt lakes.
Qomolangma is higher than any other mountain in the world.
Time to think
Teacher: Yesterday, we learned some important geographical facts (地理知識）. I hope you all still remember them. I'm going to test（檢測） you now by asking a few questions. First, what's mountain in the world
Boy2: Qomolangma！It's higher than mountain in the world.
Teacher: That's right. And who can tell me what the Sahara is？
Girl 1: The Sahara is desert in the world.
Teacher: Very good. And which is salt lake (咸水湖）in the world
Girl2: The Caspian Sea is the deepest of all the salt lakes.
Teacher: You're all so smart！Now, for the last question, which is river in the world
Boy 1: I know！The Nile is the longest river in the world.
Boy2: And the Amazon（亞馬遜河） is the second longest river in the world.
Teacher: It seems that you know the answers to all my questions. Good job！
Listen and complete
the highest
any other
the biggest
the deepest
the longest
Pairwork
1c Make conversations .
the Sahara
the Nile
the Caspian Sea
the Great Wall
Wugong Mountain
Qomolangma
21,196.18km
1918.3m
8,844.43m
9,600,000km2
6,671km
1,025m
Love nature，challenge ourselves！
Step7 Exercise
一、單項選擇
1.The Yangtze River is about ______.
A. 6300 kilometer long B. 6300 kilometers long
C. 6300-kilometer -long D. 6300 kilometers’ long
2.The girl is ______ than any other girl in her class.
A. more beautiful B. the most beautiful
C. beautiful D. much beautiful
B
A
二、翻譯句子
1、我們學校的面積大約是1000平方米。
Our school is about 1000 .
2、這座山有1500米高。
The mountain is .
3、長江是中國最長的河流。
The Yangtze River is river in Chian.
4、中國比亞洲其他任何一個國家都要大。
Chian is than in Asia.
square meters in size
1500 meters high
the longest
bigger any other country
Homework
Find out the Chinese greatest and talk with your classmates in English.
Thank you

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