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【多选题】
水污染防治包括 “ 防 ” 和 “ 治 ” 两个方面,材料 2 中提到的哪些措施属于从 “ 防” 的方面保护白洋淀?
A.
鼓励群众改变生活方式，每户生活污水用收集桶或收集池集中收集后，用吸污车运输到污水处理厂进行统一处理大力削减入淀污染负荷
B.
下大力气推行垃圾分类、厕所革命，推行小型垃圾减量化设施，争取垃圾不出村
C.
农村建小型污水处理站，从源头解决水环境问题
D.
加快推进三县污水处理厂提标改造工程，严防偷排偷放等违法排污行为
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