品质控制计划使用对象为（）？
A.作业员
B.IPQC
C.工艺员
D.OQC
参考答案：B
--- I feel nervous about the coming summer.
---- Me , too. Hot weather _____ makes people feel hot, ______ causes serious health problems.
A．either…. or
B．neither …nor
C．both….and
D．not only….but also
某分部工程双代号网络计划如下图所示，其关键线路有( )条。
A．2
B．3
C．5
D．4
