知识产权的基本特征有（）。
A.专有性
B.时间性
C.地域性
D.盈利性
E.具有人身权和财产权的双重属性
参考答案：A, B, C, E
— Andy, you were the only person that was late for the meeting, why?
— Sorry, sir. But I really had a _____ time finding the meeting hall. [ ]
A. enjoyable
B. funny
C. difficult
D. pleasant
一赐乐业教
