下列哪个建设项目的环境影响评价中,噪声影响评价要作为重点()?
A. 住宅小区建设项目
B. 交通工程建设项目
C. 办公楼宇建设项目
D. 风力发电建设项目
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下列哪个可能成为核素氚污染有效的地质-地球化学屏障()?
A. 大气层
B. 植被层
C. 黄土层
D. 以上都不是
There is a growing realization that the only effective way to achieve further reductions in vehicle()is to replace conventional diesel fuel and gasoline with cleaner-burning fuels.
A. permission
B. emission
C. omission
D. Mission
If they mean to you()they mean to me, they may perhaps be helpful also to our sons for their guidance and inspiration.
A. who
B. what
C. that
D. just as
金属薄板、船体、飞机外壳等常会因剧烈的振动辐射较强的噪声,采取以下哪种方法可有效降噪()?
A. 打孔
B. 涂抹阻尼材料
C. 加厚
D. 提高强度