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
27
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] 【B10】
选项
答案
livelihood
解析
空格位于物主代词their之后,可知此处应填入名词,livelihood意为“生计,谋生”。
转载请注明原文地址:https://tihaiku.com/zcyy/2939333.html
相关试题推荐
Whatisthemoststrikingimagetoemergefromthisautumn’sOccupyprotest
Whatisthemoststrikingimagetoemergefromthisautumn’sOccupyprotest
Itisfrequentlyassumedthatthemechanizationofworkhasarevolutionary
Anumberofscientificstudieshavefoundthattheamountofsugarweconsum
Anumberofscientificstudieshavefoundthattheamountofsugarweconsum
Anumberofscientificstudieshavefoundthattheamountofsugarweconsum
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
AccompanyingIndia’sindustrialtransformationhasbeenanotherrevolutiono
随机试题
Biology[img]2012q1/ct_etoefm_etoeflistz_0555_20121[/img][br]Listenagaintopa
Thedecisionaboutwheretolivewhilestudyingatthetertiarylevelcanhav
Theschedulemanagementplanisacompon
关于重级工作制焊接工字形吊车梁,以下哪一种说法是错误的?A.腹板与上翼缘板的连接
某工程双代号时标网络计划如图所示,其中工作B的总时差和自由时差()周。A:均为
界线测绘中,对于界桩点高程中误差,说法正确的是( )。A.不大于相应比例尺地形
简述现代企业人力资源管理各个历史发展阶段的特点。
下列诗词中,主要涉及化学变化的一组是()。 ①无边落木萧萧下,不尽长江滚
非均衡发展战略,是指将有限的资源首先投向效益较高的区域和产业,以获得区域经济的高
某酒店的使命是“为客人提供舒适”,其目标顾客是那些愿意支付高额住宿费用和希望享受
最新回复
(
0
)