题目内容
公路工程交工验收由政府行业主管部门主持。（）
查看答案
搜索结果不匹配？点我反馈
更多问题
车辆生产率是反映汽车运输企业营运车辆运用效的综合指标，主要通过单车期产量、车吨(座)期产量和实载率指标来反映。（）
高速公路常用的波形梁护栏属于半柔性护栏。（）
某公交线路长度为15千米，车辆完成一个周转所耗费的时间为120分钟，则车辆的营运速度为（）千米／小时。
Dear Sir,
After reading some of the letters printed in this newspaper, I'm beginning to believe that the carbon monoxide in this city's air during the past year has already affected some people's ability to think straight.
The proposal for limiting the use of ears seems fair and reasonable to me. I can't feel that it will produce any real suffering on the part of motorists, who sometimes seem to put their rights to drive above the public's right to breathe.
Surely everyone understand that it would be worse to have to wear gas masks in our city than to ride buses or trains. After all, breathing is necessary, and we might all breathe more easily ff we could reduce the amount of pollution in our air.
The letters referred to in the first paragraph must have ______.
微信支付 
支付宝支付