四级暑期天天练：写作必备范文(9)
发表时间：2010年2月27日10:46 来源：中大网校
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The World Population Explosion
The human race has experienced a consistent increase in population since the beginning of its history. Famine and disease have done little to offset(抵消)this steady increase. Too many people are added annually to the population of the world. So both the causes of population increase and the results of having more people are worth careful study.
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