客服中心是公司的服务窗口，不具备营销功能，市场营销是市场部的事情。
参考答案：错
-Mike, it's a pity you didn't come to last night's concert. Itwas really great!
-Really? If I _____ so busy, I would have gone with you. [ ]
A. hadn't been
B. weren't
C. shouldn't be
D. wouldn't be
改革开放以来，我国投融资体制改革大体上经历了( )个阶段。
A．3
B．4
C．5
D．6
