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Thespeed______lighttravelsissaidtobethemaximumintheuniverse.A.inwhichB.bywhichC.fromwhichD.withwhich个人觉得应该是atwhich,选什么好呢?
题目内容：
The speed ______ light travels is said to be the maximum in the universe.
A.in which B.by which C.from which D.with which
个人觉得应该是 at which,选什么好呢?优质解答
B.by which
by有通过某种方式/形式的意思.
常见by sea ,by road ,by air,by car,
这里by the speed of .也是同理.
A.in which B.by which C.from which D.with which
个人觉得应该是 at which,选什么好呢?
优质解答
by有通过某种方式/形式的意思.
常见by sea ,by road ,by air,by car,
这里by the speed of .也是同理.
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