患者男性，75岁，突发意识丧失。
证实心脏骤停可根据（）
A.大动脉搏动消失
B.呼吸停止
C.血压下降
D.瞳孔散大
E.发绀
参考答案：A
—Mom, ______ I play computer games?
—Yes, you can. But you have to finish your homework first. [ ]
A. must
B. may
C. will
D. need
中医对再生障碍性贫血病因病机认识有哪些
A．脾虚失摄B．热人营血C．以上均是D．脾肾阳虚E．肝肾阴虚
