下面哪些物质彼此混合时，特别容易引起火灾？（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30412' and id < 2458490 and id<>'2458490' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30412' and id > 2458490 and id<>'2458490' order by id asc limit 5