齐鲁公司推广创“免检”活动，并细化成为一套行为准则，涉及( )。
A．现场管理
B．经济管理
C．过程管理
D．职责管理
参考答案：A,B,C,D
This factory has so far produced________ as last year. [ ]
A. as many three times cars
B. three times as many cars
C. as many cars as three times
D. three times more cars than
婴儿缺乏（），主要表现为皮肤干燥、角膜溃疡、夜盲畏光等。
A、维生素K
B、维生素B2
C、维生素A
D、维生素E
