血红蛋白尿见于（）。
A.血管内溶血
B.肝细胞黄疸
C.阻塞性黄疸
D.海洋性贫血
E.缺铁性贫血
参考答案：A
肺痈病情转归的关键期是（）
A.成痈期
B.初期
C.迁延期
D.恢复期
E.溃脓期
Speaker A: Excuse me, do you need a hand Speaker B: ______
A．Oh, yes, please. I haven't used one like this before.
B．No, thank you. I don't need another hand.
C．Sorry, do you know how to do this exercise
D．of course. I need a hand.
