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为了方便广大考生更好的复习，综合整理了备考资料：GMAT优秀作文精选，以供各位考生考试复习参考,希望对考生复习有所帮助。 42. Scientists are continually redefining the standards for what is beneficial or harmful to the environment. Since these standards keep shifting, companies should resist changing their products and processes in response to each new recommendation until those recommendations become government regulations. Discuss the extent to which you agree or disagree with the opinion stated above. Support your views with reasons and/or examples from your own experience, observations, or reading. The speaker argues that because scientists continually shift viewpoints about how our actions affect the natural environment, companies should not change their products and processes according to scientific recommendations until the government requires them to do so. This argument raises complex issues about the duties of business and about regulatory fairness and effectiveness. Although a wait-and-see policy may help companies avoid costly and unnecessary changes, three countervailing considerations compel me to disagree overall with the argument. First, a regulatory system of environmental protection might not operate equitably. At first glance, a wait-and-see response might seem fair in that all companies would be subject to the same standards and same enforcement measures. However, enforcement requires detection, and while some violators may be caught, others might not. Moreover, a broad regulatory system imposes general standards that may not apply equitably to every company. Suppose, for example, that pollution from a company in a valley does more damage to the environment than similar pollution from a company on the coast. It would seem unfair to require the coastal company to invest as heavily in abatement or, in the extreme , to shut down the operation if the company cannot afford abatement measures. | 
