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
25
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/2945808.html
相关试题推荐
Anumberofscientificstudieshavefoundthattheamountofsugarweconsum
Anumberofscientificstudieshavefoundthattheamountofsugarweconsum
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
[originaltext]Thepodcastrevolutioniseruptingallovertheworld—andsee
随机试题
BrownlowHall,aVictorianmansionjustoutsideSouthDean,wastotallydest
[originaltext]W:Hello.Whendidyougetback?M:Um,thismorning.Around6o’
下列属于人际传播的是()。A.医生对患者的咨询 B.卫生宣传画廊 C.
患者,男,26岁,自诉开唇露齿,影响美观。体检:全身状态良好。上、下牙列基本整齐
一个完整的绩效评价体系由评价目标、对象、指标、标准和报告几个基本要素构成。(
A.初始血尿 B.终末血尿 C.全程血尿 D.尿道溢血 E.镜下血尿泌尿
下列说法中,正确的是( )。A.大赦既赦其刑,又赦其罪B.特赦只赦其刑
投资项目决策分析与评价的基本要求包括贯彻落实科学发展观、资料数据准确可靠和()
对人确认的致癌物(1组),是指( )。A.动物致癌性证据充分,人致癌性证据不足
关于增值税应纳税额计算的说法,正确的是()。A.纳税人兼有不同税率的项目,
最新回复
(
0
)