新生儿每日生成胆红素的量约()
A.10.5mg/kg
B.8.8mg/kg
C.6.5mg/kg
D.4.5mg/kg
E.2.5mg/kg
参考答案:B
No one________ in the classroom at that time. [ ]
A. was
B. is
C. were
D. are
()强调必须把企业看成是一个系统,从整体效益出发来考虑和处理问题
A、TOC
B、OPT
C、MRP