Unit 7 What's the highest mountain in the world？ Section A 1a-1c（课件）（共有PPT20张）

(共20张PPT)
Period 1 1a-1c
Unit 7
What’s the highest mountain in the world
Section
A
To learn to compare facts
To learn to express large numbers
To learn to talk about geography and nature
To learn new words: square, meter, deep, desert
面积最大的省区
毗邻国家最多的省区
边境线最长的省区
有最长的内陆河------塔里木河2179公里
有最干旱的地方------吐鲁番盆地托克逊县
最大的内陆盆地------塔里木盆地，面积为53万平方公里
最大的沙漠-----塔克拉玛干大沙漠是中国最大的沙漠，也是世界第二大沙漠，面积32.4万平方公里。
Which is the highest mountain in the world
Which is the longest river in the world
Which is the biggest desert in the world
Which is the deepest lake in the world
…
Qomolangma runs between China and Nepal. It is covered with snow all the year round. It’s 8844.43 merers high, the highest in the world.
The Nile is the longest river in the world. It’s more than 6600 kilometers long. It runs through 9 countries.
The Caspian Sea is the deepest salt lake in the world. It's 1025 meters deep.It lies between Asia and Europe.
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
New words
square [skwe ] n. 平方；正方形；广场
meter ['mi:t (r)] (=metre) n. 米；公尺
deep [di:p ] adj.深的；纵深的
Qomolangma ['t m ,la: m ] 珠穆朗玛峰
the Nile [ na l ] 尼罗河
the Sahara [s 'ha:r ] 撒哈拉沙漠
the Caspian ['k sp n ] sea 里海（世界最大的咸水湖）
desert ['dez t ] n. 沙漠
game1 ：
击鼓传花
game2 ：
看谁反应最快
1.这张桌子两米长。
2.这座山有1500米高。
3.这条路有5米宽。
4.这个湖有1025米深。
The table is two meters long.
The mountain is 1,500 meters high.
The road is 5 meters wide.
The lake is 1,025 meters deep.
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
注意！
The Caspian Sea is the deepest of all the salt lakes.
注意：用于最高级表达范围的介词：of ,
in, among
例如：在这三个中Li Ming是高的。
Li Ming is the tallest of the three.
Make a chant.
High, higher, highest .
What’s the highest mountain in the world
Qomolangma , Qomolangma .
Long, longer , longest .
What’s the longest river in the world
The Nile , the Nile .
Deep , deeper , deepest .
What’s the deepest salt lake in the world
The Caspian Sea , the Caspian Sea .
Big , bigger , biggest .
What’s the biggest desert in the world
The Sahara , the Sahara .
A budula is much taller than Liang enxu.
much, a little, a bit, even, far 等词可用来修饰比较级
比一比
Talk with your partner,talk about your classmates,then make a report like this:
全班比：In our class,____ is the tallest boy.___ is the tallest girl....
1.Write a passage about your classmate.