光缆分类型号中，“GY”是代表（）。
A.通信用室外光缆
B.通信室内光缆
C.海底光缆
D.架空光缆
参考答案：A
—Shopping with me?
— Sorry. I have a lot of clothes _____. [ ]
A. to wash
B. washed
C. wash
D. to be washed
发电机中性点接地电阻的额定电压是多少？
