精益生产方式中，产品开发采取的是并行工程方法。
参考答案：对
Not until the taxi disappeared in the distance _____ her handbag was gone. [ ]
A. Tina had found
B. had Tina found
C. did Tina find
D. Tina found
血浆与组织液各种成分浓度的主要区别是
A．Na+
B．K+
C．蛋白质
D．有机酸
E．血细胞
