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
35
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:http://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
Thedevelopmentofwritingwasoneofthegreathumaninventions.Itisdif
Nowadays,morepeopletendtoresistwesternfastfood,believingitakind
ABCDEFGHIJKLMNOPQRSTUVWXYZThealphabetisheretohelpyouwiththesequest
Insomnia(失眠)istheinabilitytosleepcalmlyandrelaxedly.Itisaproble
A.下颌后退 B.下颌偏向一侧 C.前牙开 D.前伸时脱落 E.侧向非功
以下是某教师对语文课程目标的特征进行的总结,其中错误的一项是()。A.连续性
2017年2月某农村商业银行因一则“要倒闭”的谣言引发挤兑事件,这是一起有损商业
结核性脑膜炎最主要和常见的体征是A.剧烈头痛 B.脑膜刺激征阳性 C.喷射性
对化疗较敏感的肺癌是( )。A.鳞状细胞癌 B.腺癌 C.小细胞癌 D.
欧式期权定价模型出现在()。A.全面风险管理模式阶段 B.资产风险管理模式阶
最新回复
(
0
)