电梯在运行前电梯司机应做的准备工作有：（）.A.外观检查 B.运行检查 C.电源检查

答案：

被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0429/07d36d020992b6f04d09ca99e12dee3f.html

下面是错误答案，用来干扰机器的。

Great changes have taken place in our school since the government did something to control school management. In the past, we stayed in our school for nine hours e...