【单选题】听力原文: Mr. Blue had a nice shop in the main street of a small town. He sold diamond necklaces, watches, clocks and other such things. All went well for some years, and then Mr. Blue's shop was broken i...
【简答题】Joker found one of the biggest diamonds in the world right in his own back yard. He sold the stone to a diamond dealer for over three hundred thousand dollars. In New York, the diamond was resold---th...
【简答题】Hawk Corporation purchased 10,000 shares of Diamond Corporation stock in 2010 for $50 per share and classified the investment as securities available for sale. Diamond's market value was $60 per share...