在CAD网络系统中,以下说法不正确的是()
A.设计资料可以共享
B.硬件可以共享
C.电脑文件可以共享
D.可以方便管理设计进度
参考答案:C
AIDS control and prevention is a to China as well as the whole world. [ ]
A. surprise
B. challenge
C. reaction
D. threat
卒然遭邪风之气,婴非常之疾。(卒然),(婴)