the vanguard of the working class
23. 生产力、生产关系、经济基础、上层建筑
productive force, relation of production, economicbase, superstructure constitute
24. 科学技术是第一生产力
science and technology are the primary productiveforce
25. 社会主义物质文明和精神文明
material and spiritual civilizations of socialism
26. 有理想、有道德、有文化、有纪律的公民
citizens with lofty ideals, moral integrity, better education and good sense of discipline