首页
登录
职称英语
Chemistry did not emerge as a science until after the scientific revolution
Chemistry did not emerge as a science until after the scientific revolution
游客
2023-08-21
43
管理
问题
Chemistry did not emerge as a science until after the scientific revolution in the seventeenth century and then only rather slowly and laboriously. But chemical knowledge is as old as history,
being almost entirely【B1】______the practical arts of living.Cooking is【B2】______a chemical process; so is the melting of metals and the administration of drugs and poisons. This basic chemical knowledge, which was applied in most cases as a rule of thumb,was nevertheless【B3】______previous experiment.It also served to【B4】______a fundamental curiosity about the processes themselves. New information was always being gained as artisans (工匠) improved techniques to gain better results. The develop ment of a scientific approach to chemistry was, however,【B5】______by several fac tors.The most serious problem was the vast range of material available and the【B6】______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 talent. Yet in many ancient【B7】______,practical tasks were primarily the province of a slave population. The thinker or philosopher【B8】______ this earthly world, where the practical arts appeared to lack any intellec tual content or interest. The final problem for early chemical science was the element of secrecy.Experts in【B9】______trades had developed their own techniques and guarded their knowledge to prevent others from stealing their【B10】______. [br] 【B1】
选项
答案
concerned with
解析
concerned with意为“与……有关的”,注意空格前有being,故concern词尾要加-ed。
转载请注明原文地址:https://www.tihaiku.com/zcyy/2945808.html
相关试题推荐
Anumberofscientificstudieshavefoundthattheamountofsugarweconsum
Anumberofscientificstudieshavefoundthattheamountofsugarweconsum
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
[originaltext]Thepodcastrevolutioniseruptingallovertheworld—andsee
随机试题
Overthepastdecade,Americancompanieshavetriedhardtofindwaystodisc
Theprosecution______thatthemanhadbeenresponsibleforanactofterrorism
Essay-GradingSoftwareOffersProfessorsaBreakA)Imaginetakin
尿毒症病人病情危重的表现是A.心包炎 B.高血压 C.贫血 D.BUN升高
导游人员带团的原则包括()。A.游客至上原则 B.服务至上原则 C.履行合
四川的道地药材有A.地黄 B.黄连 C.川芎 D.白附子
辛芩颗粒的功能是A.清热解毒,宣肺通窍 B.益气固表,祛风通窍 C.疏风清热
A.化学蒸气压力灭菌法 B.紫外灯照射 C.高压蒸汽灭菌法 D.玻璃球/盐
根据《建设工程监理规范》,不属于专业监理工程师职责的是( )。A.组织审核分包单
低温热水热网的最高温度是()℃。A.75 B.80 C.90 D.1
最新回复
(
0
)