中国共产党90多年的历史告诉我们:在长期的革命、建设和改革实践中创造和发展起来的群众路线,是党把马克思主义基本原理与领导群众工作实际相结合的产物,是党的生命线。这是由党的群众路线的历史地位和科学内涵所决定的(一)“建设一个什么样的党”的重大历史性任务是党的群众路线发 The 90-year history of the Communist Party of China tells us that the mass line created and developed in the long-term practice of revolution, construction and reform is a product of the party’s integration of the basic tenets of Marxism with the actual work of leading the masses and the lifeline of the party. This is determined by the historical position and scientific connotation of the mass line of the Party. (1) The major historic task of “building a party of what kind” is the party’s mass line