资源简介

(共37张PPT)
Section A (1a-2d)
Unit 7 What’s the highest mountain in the world
By the end of this period, you will be able to
1. describe facts by using large numbers and small numbers;
2. compare facts by using comparatives or superlatives;
3. talk about Chinese geography, animals and culture with foreigners.
Let’s read the numbers.
102
2,017
30,000
500,000,000
7,200,000,000
one hundred and two
two thousand and seventeen
thirty thousand
five hundred million
seven billion two hundred million
thousand(千)
million(百万)
billion(十亿)
Warm up
1,234,567,890
one billion two hundred and thirty-four million
five hundred and sixty-seven thousand
eight hundred and ninety
thousand
million
billion
Let’s read the numbers.
Qomolangma
Mount Everest
Look and say
It is the world’s highest mountain, located in the Himalayas.
Qomolangma
Qomolangma
Mount Everest
Look and say
It is the world’s largest hot desert and it covers most of North Africa.
the Sahara
the Nile
Look and say
It is the longest river in the world and flows through 11 countries in northeast Africa.
the Nile
the Nile
Look and say
It is actually not a sea but instead the world’s largest lake. It is surrounded by five countries，Russia, Azerbaijan ,
Iran, Turkmenistan and Kazakhstan.
the Caspian Sea
Match the facts you know.
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
about 9,600,000 square kilometers in size
square /skwe / n. 平方（用于数字后表示面积）；正方形
e.g. Our new house is 95 square meters in size.
我们的新家面积为95 平方米。
Tian’anmen Square 天安门广场
Language points
in size 在尺寸上；在大小方面
e.g. The pairs of shoes are diff erent in size.
这几双鞋子尺码不同。
The island is about 3.15 square kilometers in size.
这个岛屿的面积大约是3.15 平方千米。
Language points
1,025 meters deep
deep /di p/ adj. 深的；纵深的
e.g. The water is only a few inches deep.
=The water is only a few inches in depth.水只有几英寸深。
What’s the depth of the water here 这儿的水有多深？
Language points
英语中长、宽、高等的表达法：
(1) 基数词+ 单位词+ 形容词（long, wide, high, deep 等）
(2) 基数词+ 单位词+in+ 名词（length, width, height, depth 等）
e.g. The rope is two meters long.(=The rope is two meters in length.) 这条绳子有两米长。
Language points
辨析：deep 与deeply
deep 作形容词，意为“深的”。
deeply 作副词，意为“深深地，深切地”，通常表示程度上的“非常”或情感上的“强烈”。
e.g. My father was deeply moved by the film.
我父亲被这部电影深深地感动了。
Language points
Talk about geographical sites.
Qomolangma
-- How high is …
-- It is … high / in depth.
-- How high is Qomolangma
-- It is 8,844.43 meters high. /
It is 8,844.43 meters in height.
8,844.43 meters high
-- How big is the Sahara
-- It is about 9,600,000 square kilometers in size.
The Sahara
about 9,600,000 square kilometers in size
Talk about geographical sites.
-- How deep is the Caspian Sea
-- It is 1,025 meters deep. /
It is 1,025 meters in depth.
The Caspian Sea
1,025 meters deep
Talk about geographical sites.
-- How long is the Nile
-- It is 6,671 kilometers long. /
It is 6,671 kilometers in length.
The Nile
6,671 kilometers long
Talk about geographical sites.
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
1b
any other 其他任何一个
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 2: 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 1: I know! The Nile is the longest river in the world.
Boy 2: 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!
Listen and read.
1b
Use the information in 1b to make conversations.
1c
What is the highest mountain in the world
Qomolangma.
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
Listen and number the facts [1－4] in the order you hear them.
2a
3
1
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
6,300
5,464
2
Listen again and fill in the blanks in 2a with the numbers in the box.
2b
3
1
300
5,000
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.
Listen and read.
China has the biggest population in the world.
population / p pju'le n/ n. 人口；人口数量
e.g. The population is increasing at about 6% per year.
人口数量正以每年约6% 的速度增加。
Language points
population 和people 的区别：前者通常用what 来提问，后者用how many 来提问。
e.g. What’s the population of China
(=How many people are there in China ) 中国的人口是多少？
Nearly 70 percent of the population still live(s) in the countryside. 有接近70% 的人口仍住在乡村。
Language points
Make conversations using the information in 2a.
2c
Did you know that China is one of the
oldest countries in the world
Yes, I did. It's much older than my country.
Role-play the conversation.
2d
Feel free to ask me anything on today’s Great Wall tour.
feel free ( 可以) 随便( 做某事)
e.g. Please feel free to ask questions.
请随意提问。
Language points
tour /t / n. & v. 旅行；旅游
e.g. We’re going to tour Lijiang this autumn.
今年秋天我们将去丽江旅游。
The hotel is very popular with tourists.
这家旅馆很受游客欢迎。
Language points
Wow, that’s amazing!
amazing / 'me z / adj. 令人大为惊奇的；令人惊喜( 或惊叹) 的
e.g. She makes the most amazing cakes.
她做的蛋糕最令人叫绝。
I was amazed at her rich knowledge of space.
她丰富的太空知识令我大为惊奇。
Language points
The main reason was to protect their part of the country.
protect /pr 'tekt/ v. 保护；防护
e.g. They huddled together to protect themselves from the wind. 他们挤在一起，免受风吹。
Language points
一、根据句意及首字母提示补全单词
1. The village is about 2, 000 m__________ above the level.
2. Many t__________ come here to visit the big tree every year.
3. The water is only a few inches d__________.
4. There are many a__________ walls in Xi'an.
5. This is an a__________ story.
eters
ourists
eep
ncient
mazing
二、根据汉语意思完成句子，每空一词
1. 加拿大的人口是多少？
________ ________ ____________ of Canada
2. 就我所知，丽萨是她家最小的孩子。
________ ________ ________ ________ ________, Lisa is the youngest child in her family.
What’s the population
As far as I know
3. 她戴着太阳镜以保护眼睛免受阳光的伤害。
She is wearing sunglasses to ________ her eyes ________ the sunlight.
4. 汤姆比吉姆学校的任何学生都高。
Tom is _______ _______ ________ ________in Jim's school.
5. 你随时都可以来这里吃晚餐。
You ________ ________ ________ eat dinner here anytime.
protect from
taller than any student
feel free to
1. To memorize the important phrases and sentences.
2. To make some dialogues about asking the size of objects.
3. Preview Unit 7 Section A (3a-3c).
Bye Bye!

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