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防治噪声的途径

> 控制噪声是城市环保的主要项目之一，下列措施中不能减弱噪声的是 A.机动车辆在市内严禁鸣笛 B.控制汽车尾气的排放指标 C.汽车排气管上安装消声器 D.在城市街道两旁种草植树

问题：

发布时间：2020-03-13

控制噪声是城市环保的主要项目之一，下列措施中不能减弱噪声的是

A.机动车辆在市内严禁鸣笛
B.控制汽车尾气的排放指标
C.汽车排气管上安装消声器
D.在城市街道两旁种草植树

参考答案：

提问用户：Gu***CjI

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