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Photographs of the earth taken from space show a Apredominantly blue globe, Btwo-third of its surface Cbeing covered by water. E
Photographs of the earth taken from space show a Apredominantly blue globe, Btwo-third of its surface Cbeing covered by water. E
admin
2013-03-27
30
问题
Photographs of the earth taken from space show a A
predominantly blue
globe, B
two-third
of its surface C
being covered
by water. Every year an average of 7 000 cubic meters per person flows into rivers and underground channels. And yet water shortages and droughts have become a serious problem, D
one that
will not go away without better conservation policies.
选项
答案
B
解析
本题主要考查英语中分数的表达方式,分子用基数词,分母用序数词,如果分子大于1时,分母要加s。句意是,从空间拍摄的地球照片显示,地球大部分是蓝色的,2/3的表面被水覆盖。每年每人平均7 000立方米的水流人河流和地下管道。水资源短缺和干旱已成为一个严重的问题,如果不采取更好的保护措施,该问题将得不到解决。所以正确答案是B选项。
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