当家里漏电保护器突然跳闸后,应该如何做()?
A.立即合闸
B.查明原因、排除故障
C.更换漏电保护器
D.等待来电
参考答案:B
I will give you my friend's address where I can be________if you have any problem. [ ]
A. arrived
B. accepted
C. received
D. reached
设置居住区、商业区或文体中心附近的公交首末站,应当使一般乘客都在以该站为中心的一定的半径范围内。下列( )项正确。
A.350m
B.400m
C.450m
D.500m