熔断器是电路中最常用的一种简便而有效的短路保护电器。当通过熔体的电流等于或小于其额定电流的1.25倍时,可长期不熔断;当超过其额定电流的倍数越大则熔断时间越短。
参考答案:对
1.He did not find a job yet because he had no _____ to men who could help him.
A. approach B. application C. access D. approval
2.The old man got into the _____ of storing money under the bed.
A. tradition B. habit C. use D. custom
右图是岳麓山上一墓碑,墓碑的主人的主要功绩是推动了下列哪次起义()
A.萍浏醴起义
B.武昌起义
C.南昌起义
D.秋收起义