题目内容

8．听下面一段独白，回答第18至第20题．
18．Who brought silk to Europe in the thirteenth century？
A．Napoleon．
B．Marco Polo．
C．Leonardo da Vinci．
19．What do we know about silk today？
A．It is used by famous dress designers．
B．It is much cheaper than in the past．
C．It is very popular among painters．
20．Why does the speaker give the talk？
A．To encourage people to learn designing．
B．To persuade people to buy silk clothes．
C．To introduce the history of silk trade．

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