水泥车的车种编码是（）。
A.T
B.J
C.L
D.U
参考答案：D
-Why would some workers in Foxconn die ________ continue working in the factory?
-Psychologists say they are under too much pressure.[ ]
A. better than
B. by accident
C. instead of
D. rather than
挣值法中的BCWS曲线反映进度计划应当完成的工作量也反映消耗的费用
