A-A+
__________the sun is the central body of the s
问题详情
__________the sun is the central body of the solar system so the nucleus is the core of the atom．
A．When
B．If
C．Now that
D．Just as
参考答案
正确答案：D
just as…so“正像……一样……也”。为固定搭配，其余不符合题意。
考点：
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