爱国诗人于谦的《石灰吟》中，只含有化学变化的诗句是（ ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27099' and id < 2247130 and id<>'2247130' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27099' and id > 2247130 and id<>'2247130' order by id asc limit 5