人口问题，2009中考英语作文备考

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范文1：2009中考英语作文备考， so the one-child policy was necessay. in america，范文2： and it is growing faster and faster. the world’s population problem is the greatest one because it brings lots of problems， more and more people losing their jobs and so on. these pro

温馨提醒：随时光变迁，文中所陈述观点；准确性、难免有所变动，因此文中观点仅供参考。