丝绸英文介绍ppt课件.ppt

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1、-旅游081 周振S I L KSilk is the most suitable materials to make dress, because it is light, soft,durable,lustrous What is more silk is resitant to heat and acid and washable with careChina started silk production about 4500 years ago.There are the beautiful silk,fantastic satins,colorful brocade.The Sil

2、k RouteYou can find people from wealthy families in silk dresses.which were believed to be commensurate with their high social positionWHERE HOW You may be more interested in the silk worms.Silk worm breeding is done by farmers in rural area.The silk worms are heavy sleepers.They will keep eating the mulberry tree leaves for a couple of days, and go to long sleep lasting about 24 hours。When they wake up from the long sleep,they will keep eating again.The silk thread from the seven or eight cocoons forms into one ,making it strong.