【海报】品类作品，标题是【双11买一送一】，描述为【】，作品内容为中国共产党第十九次全国代表大会（简称党的十九大）于2017年10月18日在北京召开。党的十九大，是在全面建成小康社会决胜阶段、中国特色社会主义发展关键时期召开的一次十分重要的大会。 welcomed ten nine da, promotion ten nine da, implement ten nine da, is the main line of party and national work this year. Do well to welcome party's ten nine da promotion, is the head affair on propaganda line now. To fully play up the advantage of philosophical social scientific resource, systematic, dynamic, accurate promotion and explanation habitue Xi Jinping series important lecture spirit, promote and explain party central governance and administration new idea new thought new strategy.