题目

 It’s a difficult time for the quake—hit victims(地震受害者) in Ya’an, but they didn’t _______ hope.         A. give up      B. give off             C. give in      D. give out 答案:A若命题“p”与命题“pq”都是真命题,那么(  )A.命题p与命题q的真值相同B.命题q一定是真命题C.命题q不一定是真命题D.命题p不一定是真命题
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