Plants and Mankind
Unfortunately, the more industrialized we become the farther away we move from direct contact with plants. And the less distinct our knowledge of botany grows. Yet everyone comes unconsciously on an amazing amount of botanical knowledge, and few people will fail to recognize a rose, an apple, or an orchid. When our Neolithic ancestors, living in the Middle East about 10,000years ago, discovered that certain grasses could be harvested and their seeds planted for richer yields the next season, the first great step in a new association of plants and humans was taken. Grains were discovered and from them flowed the marvel of agriculture: cultivated crops. From then on, humans would increasingly take their living from the controlled production of a few plants, rather than getting a little here and a little there from many varieties that grew wild and the accumulated knowledge of tens of thousands of years of experience and intimacy with plants in the wild would begin to fade away.
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A. Right B. Wrong C. Not mentioned
A. Right B. Wrong C. Not mentioned
A. Right B. Wrong C. Not mentioned
2017届高考英语一轮复习课件:第11讲 解读图表信息,稳固构建图表作文 写作素能培养(外研版)
2017届高考英语一轮复习课件:选修8 Module 3-4《Foreign Food & Which English》(外研版)
2017届高考英语一轮复习课件:选修7 Module 1-2《Basketball & Highlights of My Senior Year》(外研版)
2017届高考英语一轮复习课件:必修1 Module 2《My New Teachers》(外研版)
2017届高考英语一轮复习课件:必修5 Module 2《A Job Worth Doing》(外研版)
2017届高考英语一轮复习课件:必修4 Module 4《Great Scientists》(外研版)
2017届高考英语一轮复习课件:必修3 Module 3《The Violence of Nature》(外研版)
2016届高考英语阶段效果检测:9(含解析)
2017届高考英语一轮复习课件:必修2 Module 2《No Drugs》(外研版)
2017届高考英语一轮复习课件:必修3 Module 6《Old and New》(外研版)
2017届高考英语一轮复习课件:必修4 Module 5《A Trip Along the Three Gorges》(外研版)
2017届高考英语一轮复习课件:选修6 Module 1《Small Talk》(外研版)
2017届高考英语一轮复习课件:必修2 Module 1《Our Body and Healthy Habits》(外研版)
2017届高考英语一轮复习课件:选修6 Module 2《Fantasy Literature》(外研版)
2017届高考英语一轮复习课件:必修1 Module 4《A Social Survey-My Neighbourhood》(外研版)
2017届高考英语一轮复习课件:必修4 Module 6《Unexplained Mysteries of the Natural World》(外研版)
2017届高考英语一轮复习课件:必修3 Module 1《Europe》(外研版)
2017届高考英语一轮复习课件:必修3 Module 5《Great People and Great Inventions of Ancient China》(外研版)
2016届高考英语阶段效果检测:10(含解析)
2017届高考英语一轮复习课件:必修4 Module 3《Body Language and Non-verbal Communication》(外研版)
2017届高考英语一轮复习课件:必修2 Module 5《Newspapers and Magazines》(外研版)
2017届高考英语一轮复习课件:第12讲 发挥合理想象,灵活阐释开放作文 写作素能培养(外研版)
2017届高考英语一轮复习课件:第9讲 精研提纲材料,轻松驾驭提纲作文 写作素能培养(外研版)
2017届高考英语一轮复习课件:第8讲 审清题意紧扣主语,迈出成功第一步 写作素能培养(外研版)
2017届高考英语一轮复习课件:选修8 Module 5-6《The Conquest of the Universe & The Tang Poem》(外研版)
2017届高考英语一轮复习课件:第6讲 写好开头和结尾,实现升级策略 写作素能培养(外研版)
2017届高考英语一轮复习课件:必修3 Module 2《Developing and Developed Countries》(外研版)
2017届高考英语一轮复习课件:必修4 Module 1《Life in the Future》(外研版)
2017届高考英语一轮复习课件:必修2 Module 4《Fine Arts-Western, Chinese and Pop Arts》(外研版)
2017届高考英语一轮复习课件:第5讲 运用高级词汇与句式,打造作文亮点 写作素能培养(外研版)
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