答案:C
—Where's Tina?
— She to the library. [ ]
A. goes
B. had gone
C. has gone
D. would go
变压器送电时,操作顺序是()
A、应先送低压侧,后送高压侧
B、应先送高压侧,后送低压侧
C、不分先后
D、无具体要求