责任事故是指()而造成的损失。
A.有关人员过失
B.操作出现失误
C.管理人员过失
D.意外事件
参考答案:A
What they never take into account is the frazzled woman who is leading a________life — trying to be a good mother while having to pretend at work that she doesn''t have kids at all.
A.double
B.hard
C.two-way
D.miserable
男,有结肠炎病史,查X线钡餐示结肠管膨大,结肠袋消失:( )
A.肠套叠
B.中毒性巨结肠