质量改进的七个步骤（）。
参考答案：明确问题、调查现状、分析问题原因、拟定对策并实施、确认效果、防止再发生和标准化、总结
12．He moved to Germany in _____, when he was in _____．
A．the late 1990s; his sixties
B．late 1990s; his sixties
C．the late 1990s; the sixties
D．late 1990s; the sixties
简述《标准》中总体目标四个方面的关系。
