【题目】[基础热身)主题:How to make silk?1运数244|难度:中1建议用时12'1答案-D17It's hard to believe that a beautiful silk dress conrs fom thoueands of very little worms(骄出)talled silkworms! It takes about 5. 500 silkwoms to make 2. 2 pountds ol silk. The preess(7.序) w...
She started scouring the trees and plants around to discover where the cocoon had come from. Her search led her to find more cocoons of silkworms (Bombyx Mori). She was impressed by the other cocoons hanging on the mulberry tree and figured out that the thread was made by the silkworms wr...
She realized that the strong line could be used to make clothes.Then Lei Zu taught her people how to raise silkworms and how to get silk. In this way, the silk industry was born.For hundreds of years after that, silk was It is well-known that silk was discovered in only used by ...
The main thing that distinguishes spiders from the rest of the animal kingdom is their ability to spin silk, an extremely strong fiber. A few insects produce similar material (silkworms, for example), but nothing comes close to the spinning capabilities of spiders. Most species build their enti...
We offer printing on silk scarves in all sizes, including square scarves, oblong scarves, etc.Welcome to customize silk scarves! Custom Scarf Fabrics: Natural mulberry silk is the most common silk. It comes from silkworms that eat mulberry leaves. Some silkworms are boiled...
Some silkworms were taken out of China.The process was 5. repeated when silkworms were taken to the Middle East, where the Persians (波斯人) learned how to make silk. A 12, 000-kilometer road from Chin a to Europe 6. was built because of silk. From there,knowledge of silk production ...
Out of all the fibers used to make jacquard fabric, silk and wool are the most environmentally friendly. Silkworms only live on mulberry trees, and silk production is not improved by fertilizers or pesticides. While wool producers sometimes engage in animal cruelty, the only significant potential ...
Magic silkworms Do you raise silkworms (养蚕) in spring? Do you know how long it takes a silkworm to turn into a moth (蛾子)? Do you want to make a fan or a bookmark (书签) out of silk (蚕丝)?Changes around us Our life changes a lot and it becomes better and better. What is...
Silk was also popular among foreign people.They loved silk and would like to(4) B a lot of money for it.The Chinese kings used to keep how to make silk a secret.Anyone who told the secret or took silkworms(蚕)out of China would be killed.So the secret of silk ...
Silk Mark is widely considered to be the world’s most prestigious certifier of silk products. This organization ensures that the silk it certifies is produced sustainably with adequate respect given equally to the mulberry trees, silkworms, and human beings who all come together to make the proce...