根据 Four hundred years later, a German discovered that he could make the best paper from trees. After that countries rich in forests, such as Canada Sweden. America. Finland became the most important ones in paper making(四百年后,一个德国人发现他能够用树木制造最好的纸。从那之后,森林丰富的...
(C)7.was paper invented?-Cai 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 答案见上29.C 根据答语“中国古代的蔡伦”可知,问句问的是“纸是谁发明 的?",对应的特殊疑问句的结构是"Who was paper invented by?",故 答案为C。
1.Everyone knows that ___ paper was invented by ___ Chinese.A./; the\x05\x05 \x05B.the; a \x05\x05\x05C.a; /\x05\x05\x05D.a; a2.The town ___ I visited last year is named Saffron Walden.A.that \x05\x05 \x05B.where \x05\x05C.whose\x05\x05 \x05D.what3....
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...
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
No one is quite sure when the first sheet of paper was invented. What we do know is that it was invented some centuries ago in China, from where China’s extraordinary trading network ensured that it was eventually exported to other countries. However, how did the Chinese create it?
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 ...
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 ...
百度试题 结果1 题目 14. How long is it since Cal Iun invented paper? A. Nearly 2.000 years B. Nearly 1.700 years C. Nearl 1, 500 years. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
1. invented 2. of 3. it 4. process 5. spread 6. traditional 7. most 8. and 9. widely 10. what 本文讲述了造纸术的发明和发展。中国人大约在两千年前发明了造纸术,最初用丝绸制作,价格昂贵,只有皇帝和富人才能使用。大约一千九百年前,蔡伦改进了造纸工艺,用树皮和旧布制作出廉价的纸张。造纸术的改...