That is the magic of silk. 84.The reading is mainly about A.how silk is made B.different kinds of silk C.the history of silk D. a Chinese story85.According to the story,how did people first learn about silk? A.An Indian queen told people about it. B.Someone found it on the ...
百度试题 结果1 题目 4. What does Paragraph 5 mainly tell us? A. How silk is are made. B. How heavy a silkworm is. C. What silkworms live on. D. How long silkworms can live. 相关知识点: 试题来源: 解析 A 反馈 收藏
How is silk made?(Brief article)Newman, Michelle
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...
comfortable, silk has been a highly prized cloth since it was first harvested thousands of years ago. And despite advances in production methods and new possibilities for cultivation, still today the only reasonable way to glean the thread in mass quantities is by killing the thing that made it...
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。——丝绸。它比纸更结实。【解析】A选项意为“风筝是怎么做的”;B选项意为“风筝是否是由...制成的”;C选项意为“风筝是用什么做的”;D选项意为“风筝是否是由...制成的”。根据回答“Silk.(丝绸。)”可知...
8.(1分) —Oh, how expensive this cloth is!-Yes. ItI by hand with the best silk. (D) A. makes B. has made C. is making D. is made 相关知识点: 试题来源: 解析 答案见上【分析】一哦,这布料真贵! 一是的。 它是用最好的丝绸手工制成的。 【解答】 make制造。 A.一般现在时;B...
Tussar silk is madeby the larvae of several species of silk moths. ... Unlike other silk worms, they live in the wild forests and do not breed on mulberry, which is the common food source for most silk worms. Hence, the silk formed out of their oval, single-shelled cocoons secured th...
Silk–Its Mysteries, How It Is Made, and How It Is Used This article reviews fundamental and applied aspects of silk–one of Nature's most intriguing materials in terms of its strength, toughness, and biological... Davoud,Ebrahimi,Olena,... - 《Acs Biomaterials Science & Engineering》 被引...
Silk is the strongest natural textile in the world. This textile was just recently surpassed in strength by alab-engineered biomaterial, but it remains the strongest fabric made through natural processes.