预防SD所致肾损害，应该（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31195' and id < 2504743 and id<>'2504743' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31195' and id > 2504743 and id<>'2504743' order by id asc limit 5