品位分类对“通才”的要求、有利于人才综合素质的培养和提高、所以品位分类优于职位分类。()
参考答案:错
The train hasn’t arrived yet. Could you tell me ________________?
A. when will the train arrive
B. why the train is late
C. how long should I wait
锅炉结焦与()因素有关。
A、灰的熔点;
B、炉膛热负荷;
C、燃烧气流特性;
D、炉内空气量。