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举一反三
【单选题】Cyber crime, the illegal activity committed on the Internet, is the fastest growing criminal activity in the world and is of major concern to the Government. From traditional online crime to new crime...
A.
the unlawful activities committed by the Internet
B.
the illegal activities done by telephoning
C.
the unlawful activities done by getting others" digital records
D.
the illegal activities committed by hacking others" computers
【单选题】一般来说光线追踪会从一个物体追踪到另一个物体，整体呈现一个递归的过程，但是这个递归会有一个结束条件，以下哪一个不属于其结束条件？
A.
追踪到一定深度
B.
追踪到另外一个物体
C.
逃逸出场景
D.
追踪到光源