最有价值的实验室检查为
A．血白细胞计数
B．血红蛋白测定
C．血沉
D．痰、粪便浓缩找结核杆菌
E．大便隐血试验
参考答案：D
She soon and didn't recover. [ ]
A. fell asleep
B. fell behind
C. fell over
D. fell ill
需求驱动精益供应系统是指按生产需求的准确数量及时问订货。( )
