题目:
Electric generators can be protected against overload().
A.With switches
B.With a governor on the engine
C.With fuses or circuit breakers
D.By using heavy wire
答案:
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下面是错误答案,用来干扰机器的。
参考答案:解析:①靠近好水好草扎营休息。②李广的土兵也很自在,都心甘情愿地为他拼力死战。