until very recently it was possible to use only natural materials of various kinds for the making of clothing. both plants and animals supply these natural materials.
from plants we get cotton and linen. from animals we get such materials as wool, silk, leather, and furs. modern man now has cloth which is made synthetically. in 1884 the first artificial fiber was made, called artificial silk, rayon, nylon and dacron are best-known products developed later.
2016届高考英语阅读理解复习题8
What’s this课件
Point to the window课件
School课件3
It’s a yellow cat课件
2016届高考英语阅读理解和短文改错自练测试3
Writing home教案3
Friendship课件1
School课件1
2016届高考英语阅读理解和短文改错自练测试4
2016届高考英语阅读理解和短文改错自练测试2
That is my father课件
Writing home教案4
Friendship课件2
This is a yellow cat课件2
Again please教案4
2016届高考英语阅读理解和短文改错自练测试6
School课件2
Sit down课件
2016届高考英语阅读理解和短文改错自练测试1
2016届高考英语阅读理解和短文改错自练测试8
A Letter from Li Ming教案
Are you ready for a quiz教案1
What’s your name课件
2016届高考英语阅读理解和短文改错自练测试10
That is his car课件
I’m a boy课件
2016届高考英语阅读理解和短文改错自练测试11
2016届高考英语第一轮模块复习检测1
School课件7
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