問題詳情

Every woman dreams of receiving a huge priceless diamond．Now space scientists 21____ that they have discovered the largest diamond in the universe．But it’s well 22____ the reach of the most loves truck men because it's 50 light years away, to be 23____．Measuring 2,500 miles across and weighing five million trillion pounds，the rock Was found on Valentine’ s Day 24____ in the core of a white dwarf star, and it has excited the 25____ world.“It’s the mother of all diamonds，”said Travis Metcalfe，26____ led the team of researchers at the Harvard-Smithsonian Centre，“and you would need a jeweler’S loupe(专用放大镜)，the size of the Sun，to 27____ this diamond．”The largest diamond 28____ on earth was the 3，106-carat(克拉)Cullinan．It Was cut 29____ nine major stones，including the 530-carat Star of Africa，now a part of the Crown Jewels．Diamonds were 30____ discovered in India more than 2,800 years ago．The Ancient Romans 31____ that the stones were broken pieces of stars that had 32____ to earth．In Ancient Egypt，diamonds were used in funerals. In the Middle Ages，men 33____ them to symbolize their courage and strength．The 34____ of giving them as presents dates from 1477，35____ Maximilian，the prince of Austria, gave a diamond ring to Mary of Burgundy．
21.A．admit B．tell C．explore D．reveal

參考答案

答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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