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GWD-10
Q10:
A set of numbers has the property that for any number t in the set, t + 2 is in the set. If –1 is in the set, which of the following must also be in the set?
I. -3
II. 1
III. 5
A. I only
B. II only
C. I and II only
D. II and III only
E. I, II, and III
第10题的答案是D的说,但是我觉得可以选E呢。因为t+2=-1的话,那-3就可以存在了呀~ |
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