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87 natural resources words coal metal iron ore oil water precious metal diamond export import refine mine mining miner drill(ing) engineer supply infrastructure wood stone pure natural aluminium oil well phrases drill for oil explore for oil discover
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Be a green consumer to save our earth. In our increasingly materialistic and polluted world, there are thankfully,at lease two days that stand out as big pop for our progeny 3.15 is National Consumers Day. Which helps all consumers to know more abou
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AS IT IS 2015-09-04 Countries Compete for Oil in the Arctic 北极的国际石油争夺战 Russia, the United States and other countries are hurrying to control Earths northernmost territory: the Arctic. It is rich in oil and natural gas. The countri
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By Greg Flakus Houston 27 March 2007 Mexico's state-owned oil company, Petroleos Mexicanos, better known as Pemex, celebrated its 69th birthday on March 18, amid concerns that it is on the brink of insolvency and its production is falling. As VOA's G
2007年VOA标准英语（三月）
Energy Production Facing Limits of Water Scarcity发电面临用水危机 Nearly all forms of energy production use large amounts of water. Coal, which generates nearly 50 percent of the electricity in the U.S., needs water for mining and transport,
VOA标准英语2012年(一月)
US Energy Production Facing Limits of Water Scarcity Nearly all forms of energy production use large amounts of water. Coal, which generates nearly 50 percent of the electricity in the U.S., needs water for mining and transport, and to cool and lubri
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