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1. It is logical that a detailed learning of plants and their properties must be extremely ancient. detail 细节 property 属性 A. Right B. Wrong C. Not mentioned 「答案」：A Plants and Mankind Botany, the study of plants, occupies a peculiar position in the history of human knowledge. We dont know what our Stone Age ancestors knew about plants, but from what we can observe of preindustrial societies that still exist, a detailed learning of plants and their properties must be extremely ancient.This is logical. 2. People can not survive without plants. viv=life survive 幸存 A. Right B. Wrong C. Not mentioned 「答案」：A basis 基础 pyramid 金字塔 Plants are the basis of the food pyramid for all living things, even for other plants. They have always been enormously important to the welfare of people, not only for food, but also for clothing, weapons, tools, dyes, medicines, shelter, and many other purposes. 3. Tribes living today in the jungle of the Amazon teach botany to their children at school. Tribes living today in the jungle of the Amazon recognize hundreds of plants and know many properties of each. To them botany has no name and is probably not even recognized as a special branch of knowledge at all. | 
