目前诊断中应除外
A.低钾血症
B.低钠血症
C.休克
D.呼吸性碱中毒
E.代谢性碱中毒
参考答案:E
已知全集U=R,集合A={x|x2-2x-3>0},B={x|2<x<4},那么集合(CUA)∩B=[ ]
A.{x|-1≤x≤4}
B.{x|2<x≤3}
C.{x|2≤x<3}
D.{x|-1<x<4}
My school is near my home, so I _______ to catch a bus.[ ]
A. needs not
B. don't need
C. needn't
D. not need