s very strong.For example,it has been used to make bicycle wheels.And some doctors even use silk threads in hospital.Silk is also lightweight and warm.This makes it great for clothes like winter jackets,trousers,and shoes.All of this is from a little silkworm.That is the magic of silk....
Silk is famous for its durability. It is actually stronger than many metal wires. In fact, it is the strongest natural fiber known to man. And what’s even more amazing is that it comes from an innocuous moth not known for its sturdiness. That’s the beauty of nature… it just keeps...
Tussar silk is obtained fromsilkworms that feed on the leaves of the trees Saja, Arjun and Sal. It is also known as “wild silk”. ... When boiled, these silk moths produce naturally gold-coloured threads. The cocoons of the silk moths are single-shelled and are oval in shape. What i...
()5.-I wonder-Silk. It's stronger and paper ones. A. how the kite is made B. if the kite is made of C. what the kite is made D. whether the kite is m 相关知识点: 试题来源: 解析 C【答案】C【核心短语/词汇】be made of:由...制成【翻译】——我想知道风筝是用什么做的。...
This article reviews fundamental and applied aspects of silk–one of Nature's most intriguing materials in terms of its strength, toughness, and biological role–in its various forms, from protein molecules to webs and cocoons, in the context of mechanical and biological properties. A central ques...
3.5 Rearrange the order according to the process of how silk is made.a. Workers pull the fibers from the cocoon and spin them to make silk thread.b. Silkworms make a cocoon.c. Workers weave the thread into cloth on looms.d. Silkworms live for about 28 days and increase in weight 10...
How is silk made?(Brief article)Newman, Michelle
From there, raw silk strands are twisted together until a fiber of sufficient strength for knitting or weaving is produced, and different twisting methods produce a different type of thread: crepe, thrown, tram, organzine or singles. Crinkly fabrics are made with crepe, while sheer cloth is ma...
- Sure, it is ___ silk.( ) A. made in B. made of C. made from D. made up of 相关知识点: 试题来源: 解析 B be made in在…地方制造;be made of由…造成(能看出原材料);be made from由…造成(看不出原材料);be made up of由…组成; 结合语境可知,丝绸做的衣服能看出原材料,用b...
11 .Silk ___ by Chinese for thousand of years now.(2 分)A.has usedB.has been usedC.was usedD.is used12 .Sorry I can’t answer your question.I know ___ about the subject.(2 分)A.a littleB.someC.littleD.few13 .Although Mary is satisfied with her success,she wonders ___ wi...