应激性溃疡大出血时，首要的治疗是（）。
A.胃管注入止血药
B.积极补充血容量
C.胃镜下止血
D.应用抑酸剂
E.仰卧位
参考答案：B
---What do you want to do next? We have half an hour before the basketball game starts.
---_______. Whatever you want to do is fine with me.
A．It doesn’t matter
B．It’s up to you
C．All right
D．That’s all right
患急性阑尾炎的病人，其血液化验的结果往往是( )
A．白细胞增多
B．血细胞数量正常
C．血小板减少
D．红细胞减少
