大学英语大学英语大学英语四级(CET4)2000年1月大学英语四级(CET-4)真题试卷
题目内容

What do scientists say about the collision of an asteroid with Earth、

2024-07-09

A.It is very unlikely but the danger exists.

B.Such a collision might occur once every 25 years.

C.Collisions of smaller asteroids with Earth occur more often than expecte

D.D.It’s still too early to say whether such a collision might occur.

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