从业人员经过安全教育培训，了解岗位操作规程，但未遵守而造成事故的，行为人应负()责任，有关负责人应负管理责任。
参考答案：直接
---I have tried very hard to find a way out of the trouble, but failed.
---why not ask Frank for help? You see______________.
A．No pains, no gains
B．It’s better to think twice before doing something
C．Two heads are better than one
D．A friend in need is a friend indeed
下列腧穴中，通于冲脉的是（）
A.列缺
B.公孙
C.内关
D.商丘
E.后溪
