题目内容
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提问人：网友hhhh7123
发布时间：2022-01-07
[主观题]
The passage suggests that which of the following is true concerning the probability that a
given collision on Mars would eject fragments that will hit the Earth？
A．The probability is higher if the impact produces a crater larger than three kilometers.
B．The probability is lower if the impact produces a crater smaller than three kilometers.
C．The probability is decreased when the impact comes from an area of Mars covered by debris.
D．The probability is decreased when the fragments produced by the impact are larger than 10 centimeters.
E．The probability is decreased when the fragments produced by the impact are younger.
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