(共23张PPT)
Unit 7
What's the highest mountain in the world
Section A 1a-1c
Do you like travelling
Let's travel around the world this class!
mountain——Qomolangma(珠穆朗玛峰)
lake ——The Caspian Sea(里海)
desert——The Sahara撒哈拉
river——The Nile尼罗河
Where did we travel just now
We visited...
How many geographical facts do you know about these places
Let's watch some videos and write down some important information.
地理事实
Qomolangma is mountain in the world.
It is about meters high.
The Sahara is desert in the world.
It is about square kilometers in size.
The Capsian Sea is of all the salt lakes.
It is meters deep.
The Nile is river in the world.
It is kilometers long.
Let's
fill in
the blanks
with your
information
.
the highest
8,844.43
the biggest
9,600,000
the deepest
1,025
the longest
6,671
n,沙漠
n,平方
面积
咸水湖
eight thousand eight hundred and forty-four point four three
nine million six hundred thousand
one thousand and twenty-five
six thousand six hundred and seventy-one
How to read large numbers
How to read large numbers
1 2 0 4 5 6 7 0 9 1 . 4 3
Step1: 从小数点开始从右到左，每3个数加一个“，”
，
，
，
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),
thousand
million
billion
Step3: 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和十位加and, 小数点后面的数只数数字，不读数位。
one billion two hundred and four million five hundred and sixty-seven thousand and ninety-one point four three
and
and
and
point
Let's try!
32, 304, 410
3, 121, 078, 506
401, 450, 048
302 . 54
1, 078 . 306
million
thousand .
thirty-two
three hundred and four
four hundred and ten
billion million
thousand .
three
one hundred and twenty-one
seventy-eight
five hundred and six
million
thousand .
four hundred and one
four hundred and fifty
and forty-eight
point .
three hundred and two
five four
thousand
point .
one
and seventy-eight
three zero six
Match the facts you know.
1a
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
Let's ask and answer!
=in depth
=in length
=in height
How high is Qomolangma It is meters high/in height.
How big is the Sahara It is square kilometers in size.
How deep is the Capsian Sea It is meters deep/in depth.
How long is The Nile It is kilometers long/in lengh.
How to ask and answer
the height,length,depth,size of a place
Summary
Ask: How long/wide/high /big /deep+be+主语？
长
宽
高
大小
深度
基数词 + 单位词 + adj ( long, wide, high, deep 等 ）
Answer:主语+be+
基数词 + 单位词 + in + 名词 (length, width, height, size, depth等）
The students are having a class.
The teacher is asking them about some geographical facts .
geography
What is the teacher asking
Number the questions in order.
1b
What is the Sahara is
Which is the deepest salt lake in the word
What's the highest mountain in the world
Which is the longest river in the world
1
2
3
4
1: What's the highest mountain in the world
2: What is the Sahara is
3: Which is the deepest salt lake in the word
4: Which is the longest river in the world
Listen and complete the sentences.
1b
Qomolangma is than any other mountian 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
Let's read the sentences .
1b
1:Qomolangma is than any other mountian 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
当我们想表达”主语是...中最...的“的时候可以用句型：
比较级+than any other+单数名词
=比较级+than+the other+复数名词
1: 主语+be+the+adj的最高级+(单名)+of/in 短语。
2: 主语+be+adj的比较级+than+any other+单名+of/in短语。
=主语+be+adj的比较级+than+the other+复名+of/in短语
Use the information in 1b to make conversations.
1c
A: What/Which is the ________ mountain in the world
B: It's __________ .
It's than any other mountain in the world.
A: How _______ is it
B: It's __________________________.
Qomolangma——8,844.43 meters high
highest
Qomolangma
high
8,844.43 meters high/in height
higher
Use the information in 1b to make conversations.
1c
A: What/Which is the ________ river in the world
B: It's _______.
It's than any other lake in the world.
A: How _______ is it
B: It's __________________________.
The Nile——6,671 kilometers long
longest
The Nile
long
6,671 meters long/in length
longer
Use the information in 1b to make conversations.
1c
A: What/Which is the ________ desert in the world
B: It's ______________.
It's than any other desert in the world.
A: How _______ is it
B: It's __________________________.
biggest
The Sahara
big
9,600,000 square kilometers in size
The Sahara——
9,600,000 square kilometers in size
bigger
Use the information in 1b to make conversations.
1c
A: What/Which is the ________ lake in the world
B: It's ______________.
It's than any other sea in the world.
A: How _______ is it
B: It's ________________________.
deepest
The Caspian Sea
deep
1,025 meters deep/in depth
The Caspian Sea——1,025 meters deep
deeper
How much do you know about China
Let's do a survey about the tops of China.
Group work——do a survey and give a report
The tops of China
Iterms
Features
Places
Wall
the longest
River
Square
City
the longest
the biggest
the richest
The Great
Wall
The Yangtze
River
Tian'anmen
Square
Shanghai
报告句型: 1: 主语+be+the+adj的最高级+(单名)+of/in 短语。
2: 主语+be+adj的比较级+than+any other+单名+of/in短语。
3:主语+be+adj的比较级+than+the other+复名+of/in短语
Let's study hard to make it possible to travel around all over the world.
The world is a big family with vast land
and beautiful scenery.
