辽宁省共有大小岛屿（）个。
A.402
B.506
C.648
D.712
参考答案：B
25. It is only after my father was long gone _____ understand his deep love for me.
A．I could
B．could I
C．that I could
D．when I could
电压互感器（包括测量、保护、计量）二次绕组出口均应装设熔断器或自动开关
