心室纤颤,胸外直流电除颤能量选择()
A.20~50ws
B.50~100ws
C.100~150ws
D.150~200ws
E.200~300ws
参考答案:E
—She’s come up with some different ways to solve the math problem.
—What a clever girl!
A.gone up.
B.put up.
C.set up.
D.thought up.
()时,停止喷涂。
A.二级风
B.三级风
C.四级风
D.五级风