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fresh lake
Unit 7
What’s the highest mountain in the world?
China is in Asia.
It has the biggest population in the world.
It is one of the oldest countries in the world.
A: Which is the longest river in China?
the Yellow River
the Yangtze River
B: The Yangtze River.
Zhujiang River
A: Which is the longest river in the world?
B: The Nile.
The Nile is the longest river in the world.
It is 6,671 kilometers long.
Can you read the numbers?
three hundred
five thousand
five thousand four hundred
and sixty-four
six thousand three hundred
300
5,000
5,464
6,300
nine million six hundred thousand
one thousand and twenty-five
six thousand six hundred and
seventy-one
eight thousand eight hundred