补全对话：选择方框内适当的选项填入短文空白处(有一项是多余的)

问题补全对话，情景问答

补全对话：选择方框内适当的选项填入短文空白处(有一项是多余的)。

A: What are you doing?
B: 1
A: Great! Can you tell me something about the book?
B: Certainly! It sa

ys 1,000 years ago, the world's population was very small. 2

A: Really?
B: Yes, but during the last three or four hundred years, the world's population has grown very quickly.
Today, it is growing faster than ever before.  3
A: Sorry, I don't know.
B: It's more than 6 billion.
A: It's so big.  4
B: Yes. If we don't control the population, there will not be enough space even to stand in on the earth in
600 years.
A:   5

A. Do you know what the world's population today is?
B. I'm reading a book about the world's population.
C. What's the population?
D. It's too terrible.
E. It's no more than 2 billion.
F. I think we must do something to control the population.

答案

1-5 B E A F D