CAD/CAM技术是人们利用计算机完成产品设计和（）的一项技术，是现代产品制造中的技术核心。
A.加工
B.制造
C.控制
D.工艺
参考答案：B
Could you please tell me ______ at the2014 Winter Olympic Games in Sochi?
A．how many gold medals did Chinese athletes win
B．Chinese athletes won how many gold medals.
C．did how many Chinese athletes win gold medals
D．how many gold medals Chinese athletes won
对实验室“三废”排放，必须遵守我国的（）
A.法律法规
B.相关规定
C.环境保护的有关规定
D.相关法规
