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
31
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] 【B5】
选项
答案
hampered
解析
空格前面的was和后面的by提示此处应填入动词的过去分词形式,表示被动,hampered意为“妨碍”。
转载请注明原文地址:https://tihaiku.com/zcyy/2945812.html
相关试题推荐
[originaltext]E-booksarebringingaboutaprofoundrevolutioninthewayb
[originaltext]E-booksarebringingaboutaprofoundrevolutioninthewayb
TheIndustrialRevolution[A]TheIndustrialRevolutionist
TheIndustrialRevolution[A]TheIndustrialRevolutionist
TheIndustrialRevolution[A]TheIndustrialRevolutionist
TheIndustrialRevolution[A]TheIndustrialRevolutionist
TheIndustrialRevolution[A]TheIndustrialRevolutionist
Manyobjectsindailyusehaveclearlybeeninfluencedbyscience,buttheir
Manyobjectsindailyusehaveclearlybeeninfluencedbyscience,buttheir
TheBirthofScientificEnglishA)Worldscienceisdominate
随机试题
[originaltext]W:We’veallheardthesaying"Laughteristhebestmedicine."Ho
(1)Innovation,theelixirofprogress,hasalwayscostpeopletheirjobs.I
WhatisHilaryKingsley?[br][originaltext]M:IhavewithmeHilaryKingsley,
把产品技能和知识带到项目团队的恰当方式是()。A.让项目经理去学校学习三
二级预防是针对疾病自然史的哪个阶段A.无危险阶段 B.出现危险因素 C.致病
A.渗湿利水 B.行气活血 C.收敛固涩 D.软坚泻下 E.补益缓急甘味
在GB/T2828.1中,规定抽样检验严格程度的有()。 A.正常检验
教育实验研究的基本特点是什么?
韦氏儿童智力测验的适用对象年龄范围是()单选A.2-18岁 B.4-16岁
慢性肾炎的综合治疗措施不包括 A.常规应用激素及细胞毒药物 B.积极控制血
最新回复
(
0
)