第19题: [单项选择]According to the passage, up to now, antidrug education ______. A. has made all people see the danger of drugs B. has succeeded in dissuading people from using drugs C. has been effective only to a certain degree D. has proved to be a total failure 参考答案:C 答案解析:[试题分析] 细节辨析题,通过理解原文即可推理得知答案。
[详细解答] 文章第一段所述,antidrug education既没有完全失败(选项D.a total failure),也不是如选项A,