肌强直电位的特点不包括()
A.针电极刺激后出现
B.发放频率逐渐衰减
C.发放时声音逐渐减低
D.发放时突然出现、突然停止
E.肌颤搐电位
参考答案:D
It's eight o'clock. The students ______ an English class. [ ]
A. have
B. having
C. is having
D. are having
氯丙嗪不具有的不良反应:
A.皮疹、粒细胞减少
B.口干、便秘
C.血压升高
D.锥体外系反应
E.肝损害