气管插管心血管反应出现时下列哪些激素水平升高（）
A.ACTH
B.胰岛素
C.5-羟色胺
D.去甲肾上腺素
E.肾上腺素
参考答案：A, D, E
Jim’s brothers spent a whole day ________ in the aquarium. They forgot ________ back before ten o’clock.
A．hanging out; to come
B．hung out; coming
C．hang out; to come
D．to hang out, to come
PR间期正常范围是（）
A.0.12s
B.0.12～0.20s
C.0.22～0.24s
D.0.08～0.12s
E.0.10～0.12s
