首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Plants and Mankind Botany, the study of plants, occupies a peculiar position in the history of human knowledge. We don’t kno
Plants and Mankind Botany, the study of plants, occupies a peculiar position in the history of human knowledge. We don’t kno
admin
2013-09-24
30
问题
Plants and Mankind
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 prein-dustrial 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 people, not only for food, but also for clothing, weapons, tools, dyes, medicines, 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 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, 000 years 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.
People can not survive without plants.
选项
A、Right
B、Wrong
C、Not mentioned
答案
A
解析
转载请注明原文地址:https://kaotiyun.com/show/YEFd777K
本试题收录于:
职称英语综合类C级题库职称英语分类
0
职称英语综合类C级
职称英语
相关试题推荐
FreezingtoDeathforBeautyPeopleinBeijingwearalotofclothingduringwintertofendoff(抵御)thecold.IntheUnitedS
BeesandColorOnourtableinthegardenweputabluecard,andallaroundthisbluecardweputanumberofdifferentgrayca
Allthepupilsseemtobevery(cheerful).
Thebookmadeagreatimpactonitsreaders.
FlyingintoHistoryWhenyouturnonthetelevisionorreadamagazine,celebrities(名人)areeverywhere.Althoughfameandt
A.theextraheatB.rapidexaggerationofimpactsC.theexposedgroundD.recordedhistoryE.averylongtimeF.previouslyp
ComputersBeforethewidespreaduseofcomputers,managerscouldnot(51)fulluseoflargeamountsofvaluableinformationabo
Thefarmersalsowanttousethewatertoirrigatethe(barren)land.
A.removediseaseB.resistseparatingC.shufflebetweentwomoltenmetaldropletsD.powernanomachinesE.sopupmoleculesfr
Wehavegottoabidebytherules.
随机试题
求方程y”+y’-2y=x2的通解。
A、药品B、剂型C、制剂D、新药E、中成药以中药材为原料,在中医药理论指导下,经药监部门批准,分为处方药和非处方药的药品
患者,男性,72岁,肺心病20年。2周前因受凉出现咳嗽、咳痰,呼吸困难。今晨呼吸困难加重,烦躁不安,神志恍惚。查体:体温37.8℃,脉搏120次/分,呼吸38次/分、节律不整,口唇发绀,两肺底闻及细湿哕音。此患者目前不宜采用的治疗是
数理统计工作中,()是一种逐步深入研究和讨论质量问题的图示方法。
某泥石流流体密度ρc=1.8×103kg/m3,堆积物呈舌状,按《铁路工程不良地质勘察规程》(TB10027-2012)的分类标准,该泥石流可判为下列哪一选项的类型?()
我国西南地区某地级市,其南部为丘陵,北部为山区,山区经济以农林为主。受地形条件影响,城镇主要集中在南部和中部地带,市域城镇化水平在35%左右。市域内现有大城市一个,县城6个,其他建制镇34个。规划为求市域内城镇均衡发展,在北部地区新设3个镇
某综合楼框架结构,15层。其中首层大堂,建筑面积1200m2,其室内地面铺设陶瓷地砖,使用水泥混凝土垫层;墙面铺设木纹大理石。该综合楼设有火灾自动报警装置和自动灭火系统,消防审核时发现设在第6层一个计划营业面积为380m2的歌舞厅,其吊顶材料选用纸面石膏板
WTO《服务贸易总协定》将服务贸易界定为()。
下面所列条目中,哪一个是当前应用开发工具的发展趋势?Ⅰ.采用三层Client/Server结构Ⅱ.对Web应用的支持Ⅲ.开发的、构件式的分布式计算环境
Themotherdidn’tknow______toblameforthebrokenglassasithappenedwhileshewasout.
最新回复
(
0
)