Then we naturally ask: Why do fake commodities flow into the supermarkets? The flood is so overwhelming that both the sociologists and the general public have to dig the root reasons. On the basis of scientific research and survey, scholars discover that among the diverse array of contributing factors, the major one is that the society in which the fake commodities are flooding is usually short of an effective legal system to control or guide the markets. Another reason, similarly vital, states that the social and economic order is maintained by, to a considerable extent, ethic and moral. But the moral and value system becomes fragile when subject to a market characterized and dominated by the cold cash. Economic models have been put forward to provide theories to account fro why fake commodities can negative influence a society to such an extent. Of courses many other reasons also play their roles.
The harmful impacts exerted by fake commodities on the social and economic development can be alarmingly destructive. Not only can they directly harm the consumers’ benefits and rights but also they collapse a civilization provided that the government has no effective measures to address this problem.
考生可以比较四级和六级考试的两篇范文的主要区别。在逻辑分析问题形成的原因时，也就是文章的中间主题段落，四级考生只要用基本的句型表达清楚就可以了。而六级的要求则普遍偏高。考生必须从表层浅显，甚至时司空见惯的社会生活现象挖掘出深层的本质原因。在范文四，我从社会的法律和社会秩序的维系主体立义。
从思维高度上，如果说六级要求高。那么在表达的方式上，六级使用的句子长度和难度都比较高。比如在范文四中最长的句子可以高达46个单词。而在四级中则没有这种复杂多变的句子。还有一个问题需要提醒考生，六级作文明显体现出从句多，层次关系复杂。
以上的作文实际上都达到了满分的要求。四六级考试即将来临，预祝考生获得应试成功。