Once the pulp has been prepared, it's turned into paper by an enormous roller machine. The best known type of papermaking machine is called a Fourdrinier machine (named for the two English brothers who invented it at the start of the 19th century), though there are alternatives (including...
when什么时候,问时间;how怎样,问方式;whoi谁,问身份;what什么,问事或物;for给...; with和 ...一起;by由,置于表示被动的动词后,引出动词执行者;根据答语"Cai Lun in andent China"中国古代蔡伦;可知,此处是问 “纸是由谁发明的”,疑问词用who; be invented by...意为"由...发明";故选C。 反馈...
10. --Paper-making ___ C _ by the Chinese in the Western Han dynasty(王朝).-How fantastic the invention is! A. will be invented B. is invented C. was invented 相关知识点: 试题来源: 解析 答案见上【详解】句意:— —造纸是中国人在西汉时期发明的。 —这项发明多么奇妙! 考查一般过去...
The paper clip evolved to fill a specific need. A large amount of paper could be bound into a book in order to hold the leaves together. Binding was not a viable solution to keep together a few sheets, such as a short set of records or receipts. Though paper was invented in China ...
Prior to paper being used to scribe text stone was often used. Around the year 105, the Chinese were involved in making paper. The oldest known document is from this time period. They would use plants and fibers to make their paper....
The section of national and international news, generally the first part of the paper, is compiled from correspondents who send in their stories electronically, usually via computer modern, to their editor's computer. There, the editor checks the stories, sometimes rewriting them or increasing or ...
百度试题 结果1 题目19.这本书描述了纸是怎样发明的。The book describes how paper was invented. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
How men first learnt to invent words is unknown; in other words, the origin of language is a mystery. All we really know is that men, unlike animals, somehow invented certain sounds to express thoughts and feelings, actions and things, so that they could communicate with each other; and ...
Best paper Airplane designs with step-by-step illus. instructions, Learn How to Make a Paper Airplane from Liftndrift FREE Paper plane site!
The first attempt at copying important business correspondence is attributed to the Scottish engineer James Watt, who improved the steam engine. Watt disliked trusting scribes to copy business letters, so he invented a method of pressing a tissue paper that had been moistened with special liquids ...