百度试题 结果1 题目was paper invented?Cai Lun in ancient China. A. When, B. How, D. Where, C. Who, by for with by 相关知识点: 试题来源: 解析 【答案】C 反馈 收藏
百度试题 结果1 题目was paper invented1Cai Lun in ancient China. A. When; for B. How; with C. Who; by D. What; by 相关知识点: 试题来源: 解析 C 反馈 收藏
What is paper? How is paper made? Papermaking materials How does a Fourdrinier machine work? Who invented paper and papermaking?What is paper?Paper is a dried, compressed mat of plant fibers—nothing more, nothing less. It's a bit like clothing you can write on. No, really! Clothes ...
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Before that 100 years ago, people write used pens, but pens can leak and it is easy to spill the ink, and it is hard to write on thin or cheap paper with them. One day, John Loud thought that why not use a little ball at the end, so in this way, the first ball-point pen ...
is invented C. was invented 相关知识点: 试题来源: 解析 C 【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! 考查一般过去时的被动语态。根据“Paper-making...by the Chinese in the Western Han dynasty(王朝).”可知,造纸是在西汉发明的,原句应为一般过去时的被动语态,其结构...
A.What B.How C.When(/3)6.Chinese people invented paper.1s A.lo B.for C.with play basketball last Monday. A.cant B.didnt C.dont was your brother?-He was it bom A.What B.JHow C. Where(A)9. Chinese people clever.Aare B.is C.was)10.He this bicycle. A.invents B.invented ...
In 1450, a goldsmith named Johannes Gutenberg in Germany invented the modern printing press. The impact of his machine is sometimes compared to the invention of the Internet. Although ancient Chinese people invented paper in 105 AD and used woodblock printing before 200 AD, Gutenberg’s printing...
The second section emphasizes the role of plasticity in both development and evolution, noting that plasticity is greatest early in life. This is followed by a section focusing on the role of timing in evolution, especially genetic-based differences in developmental timing, or heterochrony , with ...
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 ...