Population GrowthIt is well-known that there has been a drastic increase in world population. But it is probably... [查看全文]
Natural ResourcesThrough the changes in the ways of making a living in a family over several generations, the ca... [查看全文]
Water PollutionWater is very important to us. Factories and plants need water for industrial uses and large piece... [查看全文]
TimeTime is tangible. One can gain time, spend time, waste time, save time, or even kill time. Common questions... [查看全文]
英语专四听写模拟练习:危机CrisisLife is a contest! Who will win? A bluebird and sparrow both compete for space to ... [查看全文]
CartoonistsIn a good cartoon, the artist can tell in a few lines as much as a writer can tell in half a doze... [查看全文]
英语专四听写模拟练习:土壤SoilsThere are many different kinds of soils. Different soils have different types of rock... [查看全文]
A Young Man’s PromiseOne day, a young man was writing a letter to his girlfriend who lived just a few mi... [查看全文]
A Henpecked Husband and His WifeThere was once a large, fat woman who had a small, thin husband. He had a job... [查看全文]
Display of GoodsAre supermarkets designed to persuade us to buy more?Fresh fruit and vegetables are displayed near... [查看全文]