题目内容
(请给出正确答案)
[单选题]
中国的淡水资源总量为2.8万亿立方米,占世界水资源的____________,但人均占有量为世界人均占有量的1/4。 The total amount of fresh water resources in China is 2 trillion and 800 billion cubic meters, it is about _________percent of the world's water resources. But the per capita share is 1 / 4 of the world's per capita share.
A.9%
B.22%
C.7%
D.6%
答案
2.8
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