—项实验拟考察图片材料是否比文字材料更容易i只记，则材料是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31704' and id < 2537872 and id<>'2537872' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31704' and id > 2537872 and id<>'2537872' order by id asc limit 5