若从溴水中把溴萃取出来，可选用的萃取剂是（   ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='21370' and id < 1853709 and id<>'1853709' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='21370' and id > 1853709 and id<>'1853709' order by id asc limit 5