癫痫大发作的首选药物是（）。
A.丙戊酸钠
B.氯硝安定
C.苯妥英钠或苯巴比妥
D.安定
E.扑痫酮
参考答案：C
世界上有近100种可自由兑换货币，人民币也是自由兑换货币。（）
However hard I tried to think about it,what he said didn’t really to me. [ ]
A.figure out
B.make out
C.turn out
D.get across
