市场营销组织
参考答案：
是建立和明确任务归属与实施的部门，分清责任、理顺步骤，以便适时地采取必要的措施。
It was after he got what he had wanted ________he realized it was not so important .
A．that
B．when
C．since
D．as
金属基底冠桥的预氧化应在除气基础上再加热至预定终点温度，在非真空状态下继续维持
A．0.5～1.0min
B．1～3min
C．5～10min
D．20～30min
E．30min以上
