题目内容
下列那个是安全电压（）
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电流通过人体的任何一个部位都可能致人死亡，以下电流路径，最危险为_C_，次危险的是_A_，危险性最小的是（）
--- Shall we take kids to the playground to conduct theearthquake drill?---It sounds ______ .
In short, getting along with your boss requires _______ to know his likes and dislikes and learning to work with his personality and management style.
Employees are not made ______ personal phone calls in the office .
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