在棋盘中间要用()个棋子摆出虎口。
A、3
B、4
C、5
参考答案:A
, the pay isn’t attractive enough , though the job itself is quite interesting .
A.Generally speaking
B.On the contrary
C.In particular
D.To be honest
Ⅱ相阻滞的特点有()
A.四个成串刺激可出现衰减
B.肌松时间延长
C.无强直刺激后易化
D.不为抗胆碱酯酶药拮抗
E.给去极化肌松药后,一旦TOF比值≤50%时即可诊断