摘要：12．-I heard one of his paintings was sold at a very high price. -Yes.a wealthy man bought it for 100,000 dollars,anyway.he is worldfamous. A．valueless B．precious C．single D．secret 答案与解析:B precious“珍贵的 ,valueless“无价值的 ,single“单独的 ,secret“秘密的 .
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