目前，我国能源发展面临的重大问题主要有（    ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69407' and id < 4493873 and id<>'4493873' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69407' and id > 4493873 and id<>'4493873' order by id asc limit 5