第7题: [单项选择]What does the woman say about the book A. She has another meeting all day. B. She feels the grade is all right. C. She thinks it would be wrong to change the grade. D. She can meet with the student that afternoon. 参考答案:D 答案解析:[听力原文] M: Professor Jones, when can we meet to discuss my grade W: Would it be four o’ clock
第8题: [单项选择]大气采样点的布设方法中,扇形布点法适用于( )。 A. 区域性常规监测 B. 有多个污染源,且污染分布比较均匀的地区 C. 多个污染源构成污染群,且大污染源较集中的地区 D. 主导风向明显的地区或孤立的高架点源 参考答案:D 答案解析:[解析] 区域性常规监测适用于功能区布点法;选项B适用于网格布点法;选项C适用于同心圆布点法。考生要了解各种不同采样布设方法及其适用监测环境。