知识产权的性质包含以下的哪些()。
A.无形性、专有性
B.地域性、时间性
C.可复制性
D.独占性、排他性
参考答案:A, B, C, D
--- I got upset yesterday just because you didn’t hand in your homework on time.
--- Terribly sorry. Ten more minutes, I_____it to you.
A.would have taken
B.would take
C.had taken
D.must have taken
多棘波的电生理学特征是()。
A.2个或者以上的棘波连续出现,持续时间小于1s
B.多棘波仅双侧性出现
C.多棘波仅局灶性出现
D.多棘波与预后相关
E.多棘波提示特异性的癫痫发作类型