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
2023-08-19
51
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 development of a scientific approach to chemistry was, however,【B5】______ by several factors. 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 intellectual 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://tihaiku.com/zcyy/2939324.html
相关试题推荐
Whatisthemoststrikingimagetoemergefromthisautumn’sOccupyprotest
Itisfrequentlyassumedthatthemechanizationofworkhasarevolutionary
Itisfrequentlyassumedthatthemechanizationofworkhasarevolutionary
Anumberofscientificstudieshavefoundthattheamountofsugarweconsum
Anumberofscientificstudieshavefoundthattheamountofsugarweconsum
Anumberofscientificstudieshavefoundthattheamountofsugarweconsum
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
随机试题
Somepeoplebelievethatinternationalsportcreatesgoodwillbetweenthenat
Theproceduresforopeningacheckingaccount______.[br]Inordertoopenana
[originaltext]W:Simon,couldyoureturnthetoolsIlentyouforbuildingtheb
A--potatoB--carrotC--onion
[originaltext]Therearetwofactorswhichdetermineanindividual’sintelli
TheDynamicHostConfigurationProtocol
当标的物市场价格为500美分/蒲式耳时,具有正值的内涵价值的期权是()。
单栋住宅的长度大于()时,建筑物底层设人行通道。A.200米 B.160米
下列属于情景分析中宏观情景的是()。A.社会 B.经济 C.法律 D.流
下列选项中,不属于农用地项目综合利用方案及措施分析评价内容的是( )。A.项目是
最新回复
(
0
)