1860 - Diamond prospect: The DeBeer brothers buy a farm in South Africa's Northern Cape Province for just pounds 50. This farm will become the site of both the De Beers and the Kimberley Mines - source of some of the world's most beautiful diamonds.The Birmingham Post (England)...
A. there were diamonds in South Africa B. a diamond was the hardest of all substances C. "diamond" was originally a Greek word D. diamonds were crystals of carbon 相关知识点: 试题来源: 解析 A[解析] 细节推断题。由第二段的第二句可以推断出答案。反馈...
百度试题 结果1 题目As we know, South Africa has many diamonds. (同义句转换)As we know, South Africa is in diamonds. 相关知识点: 试题来源: 解析 richbe rich in"富含 ……”.是一个高级短语,可以替 换原句中的has many。 反馈 收藏
The 2011 Import and Export Market for Unworked Precious and Semiprecious Stones Excluding Diamonds in South Africa.The 2011 Import and Export Market for Unworked Precious and Semiprecious Stones Excluding Diamonds in South Africa.AfricaBuilding & ConstructionJewelry and GemsSouth AfricaSeveral...
It was the first recorded discovery of a diamond in Africa.That find started a diamond rush, which continues to the present. Today South Africa is a major diamond supplier. Africa and Russia now are the sources of most of the world’s diamonds. When most of us think of diamonds, we ...
known askimberlitepipes. Kimberlite pipes are vertical or near-vertical geological structures that form when magma rises from the mantle towards the Earth’s surface. They are named after the town of Kimberley in South Africa, where the first diamond mines were discovered in the late 19th century...
The_most_recent_and_exciting_discoveries_have_been_made_in_eastern_Russia.But most of the world's diamonds now come from the Congo, fromTanzania, and also from South Africa — which has the largestdiamond mines in the world. 5.Whatdo we know about diamonds according to the passage? A....
In South Africa, De Beers Consolidated Mines - a joint venture with Ponahalo Holdings - recovers diamonds from Venetia mine in Limpopo Province. De Beers Group also develops industrial diamond supermaterials through its Element Six business, offers diamond grading and testing services, and produces ...
diamond in the rough未经琢磨的钻石;外粗内秀的人 diamond drill金刚石钻头,金刚石钻具 diamond cutter金刚石切割器,玻璃刀 white diamond白色钻石 diamond sutran. 金刚经 diamonds_体育行业词汇 红方块 diamonds_医学行业词汇 荨麻疹样丹毒:一种荨麻疹型猪丹毒,特点是皮肤上有界线清楚的四方形或菱形斑 ...
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