单选题 What do you know about the River Nile?

A、 It's the largest river in the world.
B、 It often flooded large areas.
C、 It's the second longest river in the world.

【正确答案】 B

【答案解析】[听力原文]6-7
W: Are there any long rivers in Africa?
M: Yes, for example, the River Nile is the longest fiver in the world.
W: Is it Egypt? I hear that it used to flood large areas. What about it today?
M: In order to control the flood and make electricity, people built the Aswan High Dam on the river.
W: Then it is another interesting place, isn't it?

A、 In order to sail upstream.
B、 In order to control the flood.
C、 In order to attract visitors.

【正确答案】 B

【答案解析】