2. 外语
  3. Today American parents are finding themselves in a dilemma about how to deal with teenage drinking, a serious social problem. A

Today American parents are finding themselves in a dilemma about how to deal with teenage drinking, a serious social problem. A

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问题     Today American parents are finding themselves in a dilemma about how to deal with teenage drinking, a serious social problem. A recent survey has【B1】______that 92% of high school【B2】______have tried alcohol at
    least once and two-thirds take a drink once a month. Alcohol has resulted in a lot of teenage car crashes, as well as【B3】______and murders. Parents are wondering why they can’t keep their children from drinking. Now many are beginning to【B4】______that it is not the kids but the parents who should be held【B5】______for their permissive attitudes. Some parents find that【B6】______attitudes and methods are impractical and ineffective. They try to teach their children to drink responsibly. Many parents believe that【B7】______drinking is a safe solution.【B8】______,an increasing number of parents fear that this will endanger(危及)their children’s safety. Therefore,【B9】______And the most popular method in some communities is what they call "safe homes", where unsupervised parties with alcohol are forbidden. The hardliners think that in this way their children will learn self-control,【B10】______Both sides agree that teenage drinking can be dealt with【B11】______.
【B1】
选项
答案revealed
解析 此处需要动词的过去分词，与前面的has一起构成现在完成时。reveal意为“显示”。
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大学英语四级

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