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
16
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] 【B7】
选项
答案
civilizations
解析
根据空格前的形容词ancient判断,空格处应该填入名词。many提示应填入名词复数形式,civiliTation意为“文明”。
转载请注明原文地址:https://tihaiku.com/zcyy/2945814.html
相关试题推荐
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
[originaltext]Thepodcastrevolutioniseruptingallovertheworld—andsee
Chemistrydidnotemergeasascienceuntilafterthescientificrevolution
Chemistrydidnotemergeasascienceuntilafterthescientificrevolution
Chemistrydidnotemergeasascienceuntilafterthescientificrevolution
Chemistrydidnotemergeasascienceuntilafterthescientificrevolution
Chemistrydidnotemergeasascienceuntilafterthescientificrevolution
Chemistrydidnotemergeasascienceuntilafterthescientificrevolution
Everyonearrivingatahospital’semergencyroom(ER)wishestobeseenquic
Everyonearrivingatahospital’semergencyroom(ER)wishestobeseenquic
随机试题
Americansarepeopleobsessedwithchild-rearing.Intheirbooks,magazines,
HealthworkerswhoareHIVpositivearebannedfromperformingmostsurge
具有相似性的对象易被知觉为―组的现象是因为()。A.连续律 B.接近律 C
慎独要求中根本性的认识是()A.无人监督时注意不违背医德 B.坚持从小
亮度参数有()。A:路面平均亮度 B:路面亮度均匀度 C:照度 D:眩光
银行业金融机构严重违反审慎经营规则的,根据《银行业监督管理法》规定,由国务院银行
医务人员在行业作风上存在的问题严重损害了A.医院形象 B.组织形象 C.医患
A.苍耳子、蓖麻子 B.芫花、山豆根 C.商陆、黄药子 D.关木通、青木香
在3~20kV电网中,为了测量相对地电压通常采用()。A.三相五柱式电压互感
《危险化学品安全管理条例》规定,已建危险化学品的生产装置和储存数量构成重大危险源
最新回复
(
0
)