题型:填空题 已知命题p:“a=1是x>0,x+ax≥2的充分必要条件”,命题q:“存在x0∈R,x02+x0-2>0”,则下列命题正确的是( )A.命题“p∧q”是真命题B.命题“p∧(¬q)”是真命题C.命题“(¬p)∧q”是真命题D.命题“(¬p)∧(¬q)”是真命题 查看答案
题型:填空题 Each fire hydrant serving machinery spaces containing oil fired boilers,internal combustion machinery,or oil fuel units must be equipped with a().A.fireman's outfitB.low-velocity spray applicatorC.marine strainerD.pick axe 查看答案