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大家在查：刘志峰 WERA guillotined 参加进来北京大学读书简单来说斯蒂芬诺 challenging questions 5-8% cervical spondylotic

sparse population

sparse population

sparse population

sparse population

3

Those who propose these schemes are unconcerned by the obvious fact that a sparse population is , in general , a poorer population .

提些这种建议的人没有考虑到一个明显的现实，一般来说稀疏的人口会带来更糟糕的污染。

4

The adequate rainfall and sparse population permitted Americans to use water and to pollute water with abandon.

充足的雨量和稀疏的人口使美国人能够随意用水和随意将水弄污。

6

This is a country of sparse population .

这是个人口稀少的小国。

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