下列物品利用凸透镜透光原理的是（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31028' and id < 2496535 and id<>'2496535' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31028' and id > 2496535 and id<>'2496535' order by id asc limit 5