装载机继电器电压是（）V。
A.6
B.12
C.24
参考答案：C
街道宽度大于60m时，自来水和污水管道应埋设于（）。
A.分车带
B.街道内两侧
C.人行道
D.行车道
When his novel finally ____, it took the world by surprise.
A．came out
B．went out
C．put out
D．set out
