prewriting 1

Generally speaking, pollutions can be categorized into three types: air pollution, noise pollution, and water pollution. But what if there is a pollution that is excluded from those steretypes? Well, there is a food pollution that strikes most people around the world recentlly: tainted milk powders from mainland China. As we know, the environmental pollutions might not affect people directly; by contrast, food pollution can cause direct harm to human beings. For instance, people who have been driking the tainted milk might in the high risk of getting kidney stones. According to the New York Times, there are more than 54,000 children drinking the tainted milk in mainland China. Thus, to prevent the food pollution, caused by the uncrupulous businessmen, goverment should be careful about supervising the food manufacturers.