铅中毒发展到一定程度主要表现（）。
A.贫血
B.白血病
C.腹绞痛
D.肺心病
E.中毒性周围神经炎
参考答案：A, C, E
Peter __________ under the pressure of his position and was unable to work for a year.[ ]
A．settled down
B．broke down
C．passed away
D．broke out
怎么将战略分解到员工的流程（）
A.认知战略
B.和个人目标挂钩
C.和激励薪酬挂钩
D.让员工提建议
