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一、选择题生产工具是生产力发展的尺度。在中国古代社会，我们的先祖在与大自然斗争过程中经历了石器时代、青铜器时代和铁器时代，以其代表的生产力水平在很长的时期里都走在世界的前列。据此回答１～３题：１．商周时代主要的农具是A．木、石器B．木、骨器C．骨、蚌器D．石
First, the multiple-choice production tool is a measure of the development of productivity. In ancient Chinese society, our ancestors experienced the Stone Age, the Bronze Age, and the Iron Age in the struggle with nature, and they walked in the forefront of the world for a long period of time. Answer 1 to 3 questions accordingly: 1. The main farm tool in the Shang and Zhou dynasties was A. Wood, stoneware B. Wood, bones Bone, gingival device D. stone