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
2024-04-19
36
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://tihaiku.com/zcyy/3562072.html
相关试题推荐
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
Chemistrydidnotemergeasascienceuntilafterthescientificrevolution
Chemistrydidnotemergeasascienceuntilafterthescientificrevolution
Chemistrydidnotemergeasascienceuntilafterthescientificrevolution
Chemistrydidnotemergeasascienceuntilafterthescientificrevolution
随机试题
ResearcherswhopickedupandanalyzedwildchimpdroppingssaidonThursdayt
Whatisthenewsitemmainlyabout?[originaltext](6)Internationalinspecto
Eversincetheearlydaysofmoderncomputinginthe1940s,thebiologicalme
环境伦理学的重大缺陷包括( )。A.单一主体性 B.多主体性 C.狭隘的认
下面关于安全系数的叙述,正确的是()。A.ns称为屈服安全系数,nb称为断裂安
下列哪些是正确的人体试验道德原则A.严谨的医学态度 B.符合医学目的 C.受
采购审计的主要目的是( )。A.确认合同项下收取的成本有效、正确 B.简要地
男,76岁,有慢性支肺气肿史。咳嗽脓痰伴气急加重2周。今晨起神志恍惚。体检:嗜睡
男,62岁。2周来间断于活动时出现胸闷,休息2~3分钟即可缓解。既往糖尿病13年
共用题干 患者,男性,18岁,患有支气管扩张4年。近日因受凉后,体温38.O℃
最新回复
(
0
)