通过增强脑内GABA介导的抑制作用而抗癫痫的药物有
A．硫酸镁
B．苯巴比妥
C．丙戊酸钠
D．苯妥英钠
E．氯硝西泮
参考答案：B,C,D,E
---- Hey. Look where you are going!
---- Oh, I’m terribly sorry ____.
A．I’m not noticing
B．I wasn’t noticing
C．I haven’t noticed
D．I don’t notice
_____but he still couldn’t understand the logical connection of the two subjects.
A．Having told many times
B．Having been told many times
C．He was told many times
D．Many times as he was told
