英语六级

单选题

A．Earth and the Moon traveled at different speeds.
B．The Moon formed billions of years before Earth.
C．Earth did not have enough gravitational pull.
D．Earth and the Moon were too far from each other.

参考答案：C进入在线模考
According to the Prof., why do scientists disagree with the theory that earth captured the moon?
细节题。根据But study shows that the young earth would not have had enough gravitational force to stop a body the size of a moon from traveling through the solar system and pull it into orbit．可知．年轻的地球没有足够的引力去阻止月球穿过太阳系，把它拉进轨道。因此，正确答案为C。

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