结合化学知识和生活经验，下列做法不能减少环境污染的是（ ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27099' and id < 2247118 and id<>'2247118' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27099' and id > 2247118 and id<>'2247118' order by id asc limit 5