下列各选项中,属于作品的有()
A、本次知识产权法考试的试卷
B、自动监视器拍摄的照片
C、律师在法庭上的口头辩论
D、某画家为了绘制油画而绘制的素描稿
参考答案:A, C, D
He was beaten by his father because of being naughty. ____________, he became silent.[ ]
A. Since
B. Since then on
C. From that time on
D. From since on
用WAIT命令给内存变量输入数据时,内存变量获得的数据是( )。
A.任意长度的字符串
B.一个字符串和一个回车符
C.数值型数据
D.一个字符