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一道逻辑题,在大全里没找到,搞半天没明白,求高人指点~~ Either Perry's faction or Tucker's faction, but not both, will win control of the government. If Perry wins, the nation will suffer economically. If Tucker wins, the nation will suffer militarily. C. It is certain that the nation will suffer either economically or militarily, and also certain that it will not suffer both. D. If the nation suffers militarily, it is possible, but not certain, that Tucker has won.
答案是D, 可是偶选的是C, C为什么不对呀 |
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