搜题请搜索小程序“爱下问搜题”
问题 单项选择题

建设项目竣工环境保护验收时，高速公路噪声监测应选择车流量有代表性的路段，在距高速公路路肩（），高度大于1.2m范围内布设24h连续测量点位。

A.50m

B.60m

C.70m

D.80m

答案

参考答案：B

材料分析题

某校团委就学生的消费行为对全校学生进行了问卷调查，结果如上图所示：请回答：

（1） 上图反映的中学生消费行为存在哪些问题？

                                                                                                                                                              

（2） 结合调查图表，谈谈我们应该树立怎样的正确消费观念。

                                                                                                                                                              

                                                                                                                                                              

                                                                                                                                                              

                                                                                                                                                              

                                                                                                                                                               

查看答案
单项选择题

外源化合物生物转化酶分布最丰富的器官（）。

A.肾脏

B.肝脏

C.小肠

D.皮肤

E.睾丸
查看答案