精选优质文档-倾情为你奉上Unit1 中国丝绸中国是丝绸的故乡。栽桑、养蚕、缫丝、织绸是中国古代人民的伟大发明。商周时期(前1600前256)丝绸的生产技术就已发展到相当高的水平。西汉(前206公元25)时张蹇通西域,把中元与波斯湾、地中海紧密联系起来,开辟了中外交流贸易的新纪元。从此中国的丝绸以其卓越的品质、精美的花色和丰富的文化内涵闻名于世,成为中国文化的象征、东方文明的使者。Chinese Silk China is the home of silk. Mulberry planting, sericulture, silk reeling and thickening are all great inventions of the ancient Chinese. As early as the Shang and Zhou Dynasties (1600-BC256BC), the Chinese peoples silk-weaving techniques had reached an extremely high level. Dur