哪些情况下发生的咯血为医源性()
A．支气管扩张症
B．风心病二尖瓣狭窄
C．反复吸痰
D．纤维支气管镜检查
E．漂浮导管的损伤
参考答案：C, D, E
临时工没签任何协议合同，第二天受伤，请问属不属于工伤？
A: I’m not sure what Dr. Tyler wants us to do. B:().
A. So you didn’t come to the class yesterday
B. I’ll make a call to him if you don’t mind.
C. Oh, you’d better guess it out by yourself.
D. If I were you, I’d write and ask Dr. Tyler to look at it.
