What are the man and woman discussing?

admin2009-03-13  24

问题 What are the man and woman discussing?
W: Have you ever thought about all the tons of garbage that’s out in space circling the Earth?
M: Tons of garbage circling the Earth? What do you mean?
W: I saw a television program about it last night, and according to the program, there’s about 3,000 tons of metal out there in space, traveling at speeds around 17,000 miles per hour.
M: Where did all this garbage come from?
W: Well, it comes from all those space missions that have gone up since 1957. Every time a rocket ship goes up into space, it leaves a lot behind, and this stuff goes into orbit around the Earth.
M: Isn’t it dangerous to have all this stuff out there?
W: Some space scientists are worried about possible collisions between this orbiting junk and spaceships, particularly manned spacecrafts; however, so far there haven’t been any such accidents.
M: Well, I hope that they’re going to do something about this, both for the sake of safety and for the sake of the environment.
W: Me, too. I know that right now the problem is being studied by numerous scientists; hopefully, they’ll be able to find solutions before the problem gets too much worse.

选项 A、Trash orbiting Earth.
B、A trip by an astronaut to the Moon.
C、The too much garbage on Earth.
D、Becoming space scientists.

答案A

解析 综合理解题。第一句话和整个对话内容都说明这个对话内容是关于“围绕地球旋转的数以吨记的垃圾”的,A项符合要求。
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