20xx英語(yǔ)演講稿范文三分鐘-在線瀏覽
2025-01-12 06:47本頁(yè)面
【正文】 n is a big problem.
more people, more pollution.
and the big population is threatening the nature every rapid rise in world population is not creating problems only for the developing countries.
the whole world faces the problem that raw materials are being used up at an increasing rate and food production can not keep up with the population increase.
people in rich countries make the heaviest demands on the worlds resources, its food, fuel and land, and cause the most pollution.
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