题目内容：
采用公路交通噪声预测模型时，一般情况下，夜间时间段交通量取平均日流量的（ ）。
A．20% B．10%
C．30%
D．15%
参考答案：
答案解析：
单选题：采用公路交通噪声预测模型时，一般情况下，夜间时间段交通量取平均日流量的（ ）。
- 题目分类：环境影响评价技术方法
- 题目类型：单选题
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B．10%
C．30%
D．15%
B．10%
C．30%
D．15%
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Nursing services in a hospital are generally available aroun
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填方路基在碾压时应先轻后重，最后碾压的机械不应小于（ ）级压路机。
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