非洲矿工发现442克拉钻石 价值1.25亿元
非洲矿工发现442克拉钻石 价值1.25亿元

A miner in Africa has found a 442-carat(克拉) diamond that could be worth up to $18 million. Around the size of a golf ball, the huge gem stone is believed to be one of the largest diamonds mined this year.
Mining company Gem Diamonds discovered the gem stone at its Letseng mine in the small nation of Lesotho. Gem Diamonds boss Clifford Elphick described the 442-carat stone as “one of the world’s largest gem quality diamonds to be recovered this year”. “The recovery of this great diamond is further confirmation of the value of the Letseng mine," he said. The diamond is the largest one that the company has found since its 910-carat "Lesotho Legend", which sold for $40 million in 2018.
It will be shipped to Antwerp, Belgium, where it's expected to be sold next month. Edward Sterck, an analyst at the firm BMO Capital Markets, said the gem could be worth as much as $18 million. A part of the funds from its sale will go towards a local community project, Gem Diamonds said.
The company is partnered with the government of Lesotho. With a population of just 2 million people, the nation is known for its open pit mines that produce large diamonds. The biggest diamond found this year was a 549-carat stone unearthed by Canadian firm Lucara Diamond from its Karowe mine in Botswana. The Queen is the proud owner of the world's largest diamond, the Cullinan Diamond, which weighed an amazing 3,106 carats before it was cut. 

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1.________ diamonds born in Letseng mine are mentioned in the passage.

A 1

B 2

C 3

D 4

解析：选B。细节理解题。根据文章第二段Mining company Gem Diamonds discovered the gem stone at its Letseng mine in the small nation of Lesotho.以及The diamond is the largest the company has found since its 910-carat "Lesotho Legend"可知，宝石钻石公司在小国莱索托的莱森矿两次发现大钻石，故选B。

2.Where is the trade market for this 442-carat diamond?

A In Lesotho.

B In Canada.

C In Belgium.

D In Botswana.

解析：选C。细节理解题。根据文章第三段第一句It will be shipped to Antwerp, Belgium, where it's expected to be sold next month.可知，这颗钻石将被运往比利时的安特卫普，预计下个月在那里出售，故选C。

3.What’s the weight of the largest diamond found this year?

A 442 carats.

B 549 carats.

C 910 carats.

D 3,106 carats.

解析：选B。细节理解题。根据文章最后一段The biggest diamond found this year was a 549-carat stone unearthed by Canadian firm Lucara Diamond from its Karowe mine in Botswana.可知，今年发现的最大钻石是加拿大卢卡拉钻石公司在博茨瓦纳的卡拉威（Karowe）矿出土的一颗重达549克拉的巨石，故选B。

4.Who owns the largest diamond in the world?

A A miner in Africa.

B Clifford Elphick.

C Edward Sterck.

D The Queen.

解析：选D。细节理解题。根据文章最后一段The Queen is the proud owner of the world's largest diamond, the Cullinan Diamond, which weighed an amazing 3,106 carats before it was cut. 可知，女王拥有世界上最大的钻石，故选D。