问题
单项选择题
Scientists have already found problems that associated______living in the ocean are nearly the same as those of living in outer space.
A．to
B．of
C．with
D．at
答案
参考答案：C
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Scientists have already found problems that associated______living in the ocean are nearly the same as those of living in outer space.
A．to
B．of
C．with
D．at
参考答案：C
