公有制为主体、多种所有制经济共同发展,是我国社会主义初级阶段的基本经济制度。请回答: (1)公有制的主体地位是怎样体现的? _______________________________________________________________________________________________________________________________________________________________________________ (2)为什么要必须坚持和完善这一基本经济制度? ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ |