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
A、Agriculture in the industrialized world B、Cultivated crops. C、The association between roses and humans. D、The discoveries of c
A、Agriculture in the industrialized world B、Cultivated crops. C、The association between roses and humans. D、The discoveries of c
admin
2013-03-09
28
问题
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 insights. It is impossible to know today just what our Stone Age ancestors knew about plants, but from what we can observe of pm-industrial societies that still exist, a detailed learning of plants and their properties must be extremely ancient. This is logic al.
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 a great many other purposes. Tribes living today in the jungles of the Amazon recognize literally hundreds of plants and know many properties of each. To them, botany, as such, 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 unconsciously has an amazing amount of botanical knowledge, and few people will fail to recognize a rose, an apple, or an orchid. 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. That was the first great step in a new association between plants and animals. Grains were discovered and from them flowed the marvel of agriculture: cultivated crops.
选项
A、Agriculture in the industrialized world
B、Cultivated crops.
C、The association between roses and humans.
D、The discoveries of certain grasses.
答案
B
解析
信息明示题。由文章最后的内容可知,农作物的培育是第一个伟大的进步,所以B正确。
转载请注明原文地址:https://jikaoti.com/ti/dQkFFFFM
0
大学英语六级
相关试题推荐
Worldleadersneedtotakeactionontheenergycrisisthatistakingshapebeforeoureyes.Oilpricesare【C1】______anditlook
A、Towaterplants.B、Tofeedanimals.C、Totakeadventurealone.D、Totreatnaturewithrespect.D短文中提到,theNationalParkServic
Olderpeoplewhoholdtemporaryorpart-timejobsafterretirementenjoybetterphysicalandmentalhealththanthosewhostopw
A、Makesomecoffee.B、MeetLarryforcoffee.C、Continuetoreadhistory.D、Gooutwithsomefriends.C由男士用虚拟语气提到的IwouldifIwe
WetendtothinkofthedecadesimmediatelyfollowingWorldWarIIasatimeofprosperityandgrowth,withsoldiersreturningh
A、Excited.B、Frightened.C、Shocked.D、Disgusted.B医生说为了查出女士疼痛的原因,要给女士做个检查,需要女士躺在一个大管子里,用激光检查她的全身。女士反问医生是不是一定要做这个检查.她说听起来有点吓人。由此可
WehavetheevidencethatAppleisontosomething______(38家苹果店在建,还有更多店在筹建).
A、Cancelthemeeting.B、Meetherintheauditorium.C、Reservealargeroomforthemeeting.D、Schedulethemeetingforadiffere
A、Inarestaurant.B、Inanoffice.C、Inahospital.D、Inaclassroom.B场景推断题。女士提到自己刚刚准备好关于温斯洛普办公室的相关陈述材料,并询问男士是否还需要其他东西;男士请女士为自己
_________________(我认为你在主任面前卖弄你懂得更多知识不明智),foritmayoffendhim.
随机试题
明代“公安派”的主要文学主张是()
LastweekLindahadajobinterview,butshewasafewminuteslate.Wilson【C1】______theofficewhenshegotthere.Hissecretar
阶级现象()。
具有养心安神,敛汗功效的药物是()(2003年第36题)
用双硫腙光度法测定pb2+(其摩尔质量为207.2g/mol),若50ml溶液中含有0.1mgPb2+。用1cm比色皿在520nm下测得透光度为10%,则此有色物的摩尔吸光系数为
地方各级人民政府在制定城乡建设规划时,应当充分考虑建设项目和区域开发、改造所产生的噪声对周围生活环境的影响,统筹规划,合理安排(),防止或者减轻环境噪声污染。
下列情况中,可能会导致成本推进型通货膨胀的有()。
假设边际消费倾向为0.6,则税收乘数为()。
航空母舰对于()相当于潜艇对于()
一个向量第1个元素的存储地址是100,每个元素的长度为2,则第5个元素的地址是()。
最新回复
(
0
)