规划环境评价中拟定环境保护对策与措施时,应遵循()的原则。
A.经济-技术合理搭配
B.防治结合
C.最小化、减量化、无害化原则
D.预防为主
参考答案:D
选择正确的选项补全对话。
Zoom: Good morning! We have a new classroom.
Zip: 1
Zoom: Yes! Let's go and 2
Zip: Wow! 3 How many new lights do we have?
Zoom: 4
Zip: They are very nice.
A. Eight
B. really?
C. It’s so big!
D. have a look
立式表曝机的叶轮性能与曝气池的池型结构没有关系。