Recent findings lend strong support to the theory that a black hole lies at the center of the Milky Way and of many of the 100 billion other galaxies estimated to exist in the universe.
A.that a black hole lies at the center of the Milky Way and of
B.that a black hole lies at the Milky Way’s center and
C.that there is a black hole lying at the milky Way’s center and
D.of a black hole lying at the Milky Way’s center and
E.of a black hole that lies at the center of the Milky Way and of
答案是A 我选的是B 觉得那个OF没必要啊 为什么选A呢
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发表于 2011-8-4 11:05:12
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