However, the overriding lesson from history about social ills is that they are here to stay. Crime and violence, for example, have troubled almost every society. All manner of reform, prevention, and punishment have been tried. Today, the trend appears to be away from reform toward a tough-on-crime approach. Is this because history makes clear that punishment is the most effective means of eliminating crime? No; rather, the trend merely reflects current mores, attitudes, and political climate. Also undermining the assertion that history helps us to solve social problems is the fact that, despite the civil-rights efforts of Martin Luther King and his progenies, the cultural gap today between African-Americans and white Americans seems to be widening. It seems that racial prejudice is here to stay. A third example involves how we deal with the mentally ill segment of the population. History reveals that neither quarantine, nor treatment or accommodation solves the problem, only that each approach comes with its own tradeoffs.

　　To sum up, while history can teach us lessons about our social problems, more often than not the lesson is that there are no solutions to many social problemsonly alternate ways of coping with them.

　　小编提醒：考生们可在日常生活中多读范文，多练笔，培养出好的语感和逻辑，这样才能在考试中写出优秀的作文。

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