最适合用于保护绝缘要求较低的旋转电机的阀型避雷器是()。
A、FCZ型
B、FS型
C、FCD型
D、FCB型
参考答案:C
()表示列车进入该股道经过的最外方道岔距进站信号机的距离。
My friend Martin was very sick with a strange fever; ___ , he could neither eat nor sleep. [ ]
A. as a result
B. after all
C. anyway
D. otherwise