一、生产力发展的继承性生产力作为人类认识自然和改造自然的能力,它的发展受到已经获得的生产力的限制,不能跳跃。作为生产力要素之一的生产工具的演变历史,最能说明生产力发展的继承性。旧石器时代,人类祖先最先使用地上现成的木棒和石头或制成各种简陋的器具,用它们采集植物,与动物搏击,以获取食物。新石器时代,人们把石头打制成石刀、凿子、枪头、石锥和石锯等,增强了征服自然的能力。青铜器时代,火的使用 I. The Productive Forces’ Inheritance of Productivity As a human being’s ability to recognize nature and transform nature, its development is limited by the already-obtained productivity and can not be leapfrogged. The history of the evolution of production tools, as one of the elements of productivity, best illustrates the succession of productive forces. Paleolithic, the first human ancestors to use the ready-made wooden sticks and stones or made a variety of humble appliances, use them to collect plants, fight with animals to obtain food. In the Neolithic Age, people cast stones into stone knives, chisels, pipe tips, stone cones, and stone saws to enhance their ability to conquer nature. Bronze Age, the use of fire