在体内，主要用于供能的营养物质是（      ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25942' and id < 2179734 and id<>'2179734' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25942' and id > 2179734 and id<>'2179734' order by id asc limit 5