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Sentences:
What’s the highest mountain in the world?
Qomolangma.
How long is Qomolangma?
It’s 8,844.43 meters high. It’s higher than any other mountain.
Which is the deepest salt lake in the world?
The Caspian Sea is the deepest of all the salt lake.
Did you know that China is one of the oldest countries in the world?
Yes, I did. It’s much older than the US.
【教学难点】
形容词和副词的比较级和最高级变化规则和用法。
大数字的读法学习。
物体之间的对比、用“数词+名词复数+形容词”结构来描述事物。
【教学过程】
Step 1 Warming-up
A Game?:Count off?! 全体起立，逐一报数。正确的坐下，没说对的不能坐。
（游戏激趣，引出关注数字。）
Step2 大数字的学习。
大数字的学习。
1000以上的基数词的表示法： 先从右到左数，每三位加一个逗号；十前加and。
大数字的练习。
试读6个大数字。
Listening practice.
2b Listen and fill in the blanks in 2a with the numbers in the box.
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, but it is the biggest country in Asia.
(以听的形式来巩固大数字的学习。)