Why does America confront the mineral resources problems?

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问题 Why does America confront the mineral resources problems?

选项 A、There are few mineral resources in America.
B、Excessive explorations and large consumption have exhausted many resources that are not renewable.
C、Geographic change and Climate effect.
D、Terrorist has burnt it over.

答案B

解析 题目问的是美国何以会遭遇能源问题,这个问题要从根本上找原因,根本原因是过度开采和大量消耗造成的,并非美国的矿藏不丰富,也不是地理和气候的大变动造成的影响,更非恐怖分子焚烧的结果,所以答案为B。
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