[单项选择]{{B}}Text 2{{/B}}

Botany, the study of plants, occupies a peculiar position in the history of human knowledge. For many thousands of years it was the one field of awareness about which humans had anything more than the vaguest of insight. It is impossible to know today just 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. Plants are the basis of the food pyramid for all living things, even for other plants. The have always been enormously important to the welfare of people, not only for food, but also for clothing, weapons, tools, dyes, medicines, shelter, and a great many other purposes. Tribes living today in the jungles of the Amazon recognized literally hundreds of plants and know A. There is no clear way to determine the extent of our ancestor’s knowledge of plants. B. It is not surprising that early humans had a detailed knowledge of plants. C. It is reasonable to assume that our ancestors behaved very much like people in preindustrial societies. D. Human knowledge of plants is well organized and very detailed. 查看答案 更多"{{B}}Text 2{{/B}} Botan"的相关试题: [单项选择]{{B}}Text 2{{/B}} Botany, the study of plants, occupies a peculiar position in the history of human knowledge. For many thousands of years it was the one field of awareness about which humans had anything more than the vaguest of insight. It is impossible to know today just 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. Plants are the basis of the food pyramid for all living things, even for other plants. The have always been enormously important to the welfare of people, not only for food, but also for clothing, weapons, tools, dyes, medicines, shelter, and a great many other purposes. Tribes living today in the jungles of the Amazon recognized literally hundreds of plants and know A. They probably had extensive knowledge of plants. B. They thought there was no need to cultivate crops. C. They did not enjoy the study of botany. D. They placed great importance on the ownership of property. 查看答案 [单项选择]{{B}}第二篇{{/B}} Botany, the study of plants, occupies a peculiar position in the history of human knowledge. For not many thousands of years it was the one field of awareness about which humans had anything more than the vaguest of insights(了解). It is impossible to know today just what our Stone Age ancestors knew about plants. But from what we can observe of pre-industrial societies that still exist, a detailed learning of plants and their properties must be extremely ancient. This is logical. 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 peoples, not only for food, but also for clothing, weapons, tools, dyes, medicines, shelter, and a great many other purposes. Tribes living today in the jungles of the Amazon recognize literally hundreds of plants A. probably had extensive knowledge of plants B. thought there was no need to cultivate crops C. did not enjoy the study of botany D. placed great importance on the ownership of property 查看答案 [填空题]Botany, the study of plants, occupies a peculiar position in the history of human knowledge. We don’t know what our Stone Age ancestors knew about plants, but from what we can observe of reindustrialize societies that still exist, a detailed learning of plants and their properties must be extremely ancient. This is logical. Plants are the basis of the food pyramid for all living things, even for other plants. ______ 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. A. Yet few people will fail to recognize a rose, an apple, or an orchid. B. From then on, humans would increasingly take their living from a few plants. C. 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. 查看答案 [单项选择] Plants and Mankind Botany (植物学), the study of plants, occupies a peculiar position in the history of human knowledge. We don’t know what our Stone Age ancestors knew about plants, but from what we can observe of pre-industrial societies that still exist, a detailed learning of plants and their properties must be extremely ancient. They have always been enormously important to the welfare of people, not only for food, but also for clothing, weapons, tools, dyes, naedicines, shelter, and many other purposes. 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. 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 b A. Right B. Wrong C. Not mentioned 查看答案 我来回答: 提交 最新试题 ●    [单选题]原位双剪法中原位双砖双剪试件的空洞截面尺寸,普通砖砌体不得小于( )。 ●    [单选题]水利水电工程土基开挖施工中，当开挖临近设计高程时，应预留厚度为()m的保护层，待上部结构施 ●    提高口腔修复质量，避免或减少医患纠纷的特有措施是（） ●    [单选题]旅客中途自行变更低于原票等级的列车、铺位、席别时,<___>。( ) ●    [单选题]依据《钢筋套筒灌浆连接应用技术规程》JGJ355-2015中5.0.3条，每种套筒灌浆连接 ●    [单选题]汛期应加强（ ）和（ ）的设备检查，严格执行汛期安全措施，强化降雨量和洪水位警戒制度、防重 网站地图 我要搜题网  版权所有  ©2024  湘ICP备18016427号   购买搜题卡查看答案 [会员特权] 开通VIP， 查看 全部题目答案 [会员特权] 享免全部广告特权 推荐91天 ¥36.8 ￥80元 31天 ¥20.8 ￥40元 365天 ¥88.8 ￥188元 请选择支付方式 微信支付 支付宝支付 点击支付即表示同意并接受了《购买须知》 立即支付 系统将自动为您注册账号 已有账号登录 找回账号密码 请使用微信扫码支付 订单号： 截图扫码使用小程序[完全免费查看答案] 前往小程序 请不要关闭本页面，支付完成后请点击【支付完成】按钮 支付完成 取消支付 恭喜您，购买搜题卡成功 系统为您生成的账号密码如下： 账号 密码 重要提示：请拍照或截图保存账号密码！ 我要搜题网官网：https://www.woyaosouti.com 我已记住账号密码