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
Chemistry did not emerge as: science until after the scientific revolution in 17th century and then only rather slowly and labor
Chemistry did not emerge as: science until after the scientific revolution in 17th century and then only rather slowly and labor
admin
2014-01-13
25
问题
Chemistry did not emerge as: science until after the scientific revolution in 17th century and then only rather slowly and laboriously. But chemical knowledge is as old as history, being almost entirely concerned with the practical arts of living. Cooking is essentially a chemical process; so is the melting of metals and the administration of drugs and potions. This basic chemical knowledge, which was applied in most cases as a rule of thumb, was nevertheless dependent on previous experiment. It also served to stimulate a fundamental curiosity about the processes themselves. New information was always being gained as artisans improved techniques to gain better results.
The development of a scientific approach to chemistry was, however, hampered by several factors. The most serious problem was the vast range of material available and the consequent difficulty of organizing it into some system. In addition, there were social and intellectual difficulties. Chemistry is nothing if not practical: those who practice it must use their hands, they must have a certain practical aptitude. Yet in many ancient civilizations, practical tasks were primarily the province of a slave population. The thinker or philosopher stood apart from this mundane world, where the practical arts appeared to lack any intellectual content or interest.
The final problem for early chemical science was the element of secrecy. Experts in specific trades had developed their own techniques and guarded their knowledge to prevent others from stealing their livelihood. Another factor that contributed to secrecy was the esoteric nature of the knowledge of alchemists, who were trying to transform base metals into gold or were concerned with the hunt for the elixir(炼金药). That would bestow the blessing of eternal life. In one sense, the second of these was the more serious impediment because the records of the chemical processes that early alchemists had discovered were often written down in symbolic language intelligible to very few or in symbols that were purposely obscure.
According to the passage, how did knowledge about chemical processes increase before the 17th century?
选项
A、Philosophers devised theories about chemical properties.
B、A special symbolic language was developed.
C、Experience led workers to revise their techniques.
D、Experts shared their discoveries with the public.
答案
C
解析
细节推理题。根据题干关键词17th century定位到原文首句。新知识增加的具体方式在原文首段尾句。原句中的artisans improved techniques to gain better results与选项C对应,新知识的增加来自于工匠们的改进积累。故答案为C。
转载请注明原文地址:https://kaotiyun.com/show/8EQO777K
0
考博英语
相关试题推荐
She’scute,noquestion.Symmetricalfeatures,flawlessskin,lookstobe22yearsold—enteringanymeat-marketbar,awomanluc
TheGreek’sloftyattitudetowardscientificresearch——andthescientists’contemptofutilitywasalongtimedying.Foramill
Stratford-on-Avon,asweallknow,hasonlyoneindustry--WilliamShakespeare--buttherearetwodistinctlyseparateandincreas
1.Thesinglelongastockfigureinstories,songsandpersonalads.wastraditionallysomeoneatthemarginsofsociety:afigu
Generally,acomputerisanydevicethatcanperformnumericalcalculations.Currently,【C1】______,thetermusuallyrefers【C2】__
Inspiteof"endlesstalkofdifference",Americansocietyisanamazingmachineforhomogenizingpeople.Thereis"thedemocrati
Therearesomanynewbooksaboutdyingthattherearenowspecialshelvessetasidefortheminbookshops,alongwiththehealt
Whentheplanewashitbytheenemy’sbombitmadea______diveandplungedintotheocean.
TheAlaskapipelinestartsatthefrozenedgeoftheArcticOcean.Itstretchessouthwardacrossthelargestandnorthernmosts
随机试题
在Excel2003中,用户可自定义填充序列。()
关于小肠的描述,错误的是()
恒牙中首先长出的是
关于骶、尾椎X线解剖的描述,正确的是
过氧化物酶染色呈阳性的是
关于非上市公众公司,下列说法不正确的是()。
某民营科技公司工程师汪先生2015年除每月应税工资6000元之外,还有以下收入:(1)12月份取得2015年全年一次性奖金收入22800元。(2)3月份公司实施雇员持股激励机制,实行股票期权计划。3月8日,该公司授予汪先生股票期权30000股,授予价2
根据课程固有属性,可以把课程划分为基础型课程、拓展型课程与研究型课程。()
根据以下资料,回答问题。甲、乙、丙3个分公司中,有意愿提高薪酬的职工人数最多的是:
资产阶级维新派创办的第一份刊物是1895年8月康有为在北京创办()。
最新回复
(
0
)