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
2024-04-15
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 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] 【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:http://tihaiku.com/zcyy/3555586.html
相关试题推荐
中国是率先拥有医药文化的几个国家之一。与西医相比,中医的治疗方法完全不同。经过5000年的发展,中医已经对医药学(medicalscience)、理论
Ahundredyearsago,itwasassumedandscientifically"proved"byeconomists
Ahundredyearsago,itwasassumedandscientifically"proved"byeconomists
AccordingtoascientificstudypublishedinApril,2007,birdshaveshownt
AccordingtoascientificstudypublishedinApril,2007,birdshaveshownt
AccordingtoascientificstudypublishedinApril,2007,birdshaveshownt
AccordingtoascientificstudypublishedinApril,2007,birdshaveshownt
AccordingtoascientificstudypublishedinApril,2007,birdshaveshownt
Everyonearrivingatahospital’semergencyroom(ER)wishestobeseenquickl
Everyonearrivingatahospital’semergencyroom(ER)wishestobeseenquickl
随机试题
[originaltext]W:Hi,Jim.Ihaven’tseenyouforafewweeks.M:Oh,hi,Mary.
Themoretimechildrenspendwatchingtelevisionthepoorertheyperformaca
某公司规定,在一个月内,除非每个工作日都出勤,否则任何员工都不可能既获得当月绩效
注册建筑的执业范围不包括( )。A.建筑设计 B.建筑设计技术咨询 C.建
用标准C语言库进行文件操作时,若要以a+方式打开一个己经存在的文件,则下列叙述中
A.肩三角试验 B.展臂快速伸屈手指试验 C.直尺试验(Hamilton征)
2020年11月份,社会消费品零售总额39514亿元,同比增长5.0%,增速同比
根据我国法律规定,下列财产中应适用善意取得的是( )。 A.首饰 B.记名
某勘察设计院成立20多年来,创造了许多辉煌业绩。近几年来,市场竞争激烈,勘察设计
ABC
最新回复
(
0
)