A.over the past 50 years B.beneath the earth’s surface C.by more than 50 percent D.for more than four decades E

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问题 A.over the past 50 years   
B.beneath the earth’s surface   
C.by more than 50 percent   
D.for more than four decades     
E.as a raw material   
F.for home energy needs  
Natural gas is stored deep______.

选项

答案B

解析 文章第一段第一句指出,天然气出产于地表极深处。B项beneath the earths surface(地表深处)与原句意思相符,故选B。
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