高三英语作文预测：疾病控制

期末复习是期末考试取得好成绩的有力保证。学生们应该在思想上重视它，不能马虎麻痹。因为期末考试考查面涵盖很广。学了一学期，究竟学得怎么样，检验的时候到了。接下来，请看学大教育小编带来的这篇高三英语作文预测：疾病控制。

There are two main causes of cancer: heredity and environment. We can do nothing to change our heredity, that is, the basic physical characteristics that were passed on to us by our parents. However, we can do a GREat deal to control our environment, which may account for 80-90 %of all cancers.

Environmental pollution can be divided into two kinds: personal and impersonal. Personal pollution may be defined roughly as unhealthy habits such as smoking, drinking, and eating the wrong foods. Clearly, with enough will power we can control this personal environment.

Impersonal pollution, on the other hand, refers to those things which are beyond our individual control. One example would be industrial pollution, which is very hard to control because of the expense involved. It would be expensive in terms of profits and perhaps jobs. The American automobile industry, for example, resisted the law requiring smog-control devices because it feared the added expense would reduce profits. Nevertheless, some laws protecting the environment have been quite successful in reducing pollution.

So, when others achieve their aspirations and you still gain nothing, don't complain about the unfair fate and don't give up, either. Remember: no pains, no gains.

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