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
7
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
Miro,AJustManMirowasgoodness,ajustmaninallthings.Hedidnotspeakm
城镇退役士兵安置分为安排工作和自谋职业,自谋职业的,由当地人民政府给予一次性经济
关于乳牙反,正确的是A.乳牙反,反覆浅者,使用调磨法 B.乳牙反,反覆中度者,
下列选项中,适合作为《写意花鸟创作》一课的课堂作业的是()。A.分组欣赏《芥子
操作前的解释用语不包括A.操作的目的 B.病人的准备 C.介绍操作过程 D
下列句子中,有歧义的一句是(.)。A.如果买家逾期未确认收货或未申请退款,系统将
在面试过程中,面试考官应( )。A.多听多说 B.多听少说 C.少听
中国人有句俗语说“师生如父子”,这句话的真正内涵是() A.师生关系就
一青年男子咯血,伴低热、乏力、消瘦,应首先考虑的疾病是 A.肺癌B.肺结核
根据《计价规范》的有关规定,下列合同价款调整的描述中,正确的是( )。A.出现
最新回复
(
0
)