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  3. It is logical that a detailed learning of plants and their properties must be extremely ancient. People cannot survive without

It is logical that a detailed learning of plants and their properties must be extremely ancient. People cannot survive without

admin2009-06-15  78
问题 It is logical that a detailed learning of plants and their properties must be extremely ancient.
People cannot survive without plants.
选项 A、Right
B、Wrong
C、Not mentioned
答案A
解析 第二段讲到植物对于人类而言是极为重要的，为人类提供了食物、衣服、工具、药物等生活必需品。
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