变压器故障停电率含义：在统计期间内，每（）台变压器故障停电次数。
A、100
B、10
C、1
参考答案：A
The is not in the bathroom.[ ]
A. toilet
B. stove
C. shower
—The problem is very difficult. I'm afraid you can't work it out now.
— I fail this time, I will try it again.
A．Even if
B．Since
C．As if
D．Though
