熔断器的熔丝熔断后应()后即可更换。
A、排除故障
B、查明原因
C、查明原因,排除故障
参考答案:A
—_____?
—They are blue. [ ]
A. What's this
B. What color are they?
C. How are you?
D. How old is he?
法的执行,是指国家司法机关根据法定职权和法定程序,用法律处理案件的专门活动。( )