The world‘s population has ------(增长)to 7 billion so far.

问题描述:

The world‘s population has ______(增长)to 7 billion so far.
1个回答 分类:英语 2014-11-21

问题解答:

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increased
The world's population has increased to 7 billion so far.世界人口已经增长至70亿.
 
 
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