D E. They are made of silk. 相关知识点: 试题来源: 解析 细节推理题。(1)根据How was tea invented?(茶是如何发明的?)可知说的是茶的发明,结合选项,应说"偶然。"符合题意。故选B。(2)根据What were they used for?(它们是用来干什么的?)可知说的是东西的用途,结合选项,应说"它们被用于在黑暗中...
【有课件和完整视频】284部审人教版初中英语九年级全一 Unit6 When was it invented?Section B 3a-3b Self chec 14:06 【有课件和完整视频】283部审鲁教五四学制初中英语八年级上册 Unit1 Could you please clean your room?Section A 14:06 【有课件和完整视频】282部审人教版初中英语八年级上册 Unit8...
审科普版初中英语七年级下册 Unit7 The Birthday Party,Topic1 When is your birthda 11:18 【有课件和完整视频】181部审牛津译林初中英语七年级下册 Unit1 Dream homes(Grammar) PPT课件+优质教学视频,四川省(000000- 11:18 【有课件和完整视频】180部审人教版初中英语九年级全一 Unit6 When was it invented...
【题目】「基础热身」主题:How to make silk?|词数:2441难度:中1建议用时:12'1答案:D17t's hard to believe that a beautiful silk dress comes from thousands of very ittle worms (蠕虫) calledsilkworms! It takes about 5,500 silkworms to make 2. 2 pounds of silk. The process (工序) was ...
In 1784, mostpeople could afford a cup oftea.Thomas Sullivan who was tea merchant(商人)invented the tea bag around 1908. First they were madefrom silk,laterfrom gauze(纱布) and finally from paper.Now people could make tea the lazy way.根据短文内容,选择正确答案。()1. Tea was inventedA....
were made of two varieties of ground millet: broomcorn millet and foxtail millet. Both kinds were necessary to create a sticky dough that could be pulled into strands or strings. And millet, a grain indigenous to China, was grown everywhere in the country as far back as 7,000 years ago....
6. Silk jacquard Considered to be the most luxurious type of jacquard fabric, silk jacquard is commonly used to make complex brocade patterns or tapestries. In previous centuries, silk was the primary fiber used to make brocade. B616 Red, Striped Jacquard Woven Upholstery Fabric By The Yard...
When machine looms were invented, velvet production became much less expensive, and the development of synthetic fabrics that somewhat approximate the properties of silk finally brought the wonders of velvet to even the lowest rungs of society. While today’s velvet may not be as pure or exotic...
Only one of those products was a dryer sheet, however, and the only two toxic chemicals it gave off were ethanol (also known as alcohol) and alpha-pinene, a fragrance known to be a moderate irritant [source: Steinemann]. The amounts of these kinds of chemicals used on dryer sheets are...
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...