发电企业开展危险点分析与控制工作职责之一就是要落实（）制，把工作分解落实到（）和（）人。
参考答案：责任、现场、自然
We are working under the command of the manager that no _______ be spared to make the party a success.
A．trouble
B．expedition
C．expense
D．experience
告警级别可分为哪几级？
