【单选题】安装单联开关控制()电路时,必须做到相线进开关。
【单选题】Which of the following statements concerning employment contracts is correct?
A.
Employment contracts must be in writing
B.
Consideration is not required in an employment contract
C.
Employment contracts may include terms implied by custom and practice of the industry
【单选题】安装单联开关控制白炽灯电路时,必须做到( )。
【单选题】有关工程管理,以下说法错误的是
C.
工程管理涉及参与建设工程项目的各个单位对工程的管理
【判断题】古言道:“失败乃成功之母”。这揭示了人生遭遇挫折会成为激励人获得成功的动力。