If 4 < ~$7-x \over 3$~ , which of the following must be true?
I. 5 < x
II. |x + 3| > 2
III. −(x + 5) is positive.
II only
III only
I and II only
II and III only
I, II, and III
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must be true的话应该选B吗?
must be true的话应该选B吗?
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