2. 外语
  3. There is a trend that drugs are more readily available and used by youth at a younger age than ever before. The author suggests

There is a trend that drugs are more readily available and used by youth at a younger age than ever before. The author suggests

admin2009-04-23  55
问题 There is a trend that drugs are more readily available and used by youth at a younger age than ever before.
The author suggests that drug prevention efforts are ineffective.
选项 A、Y
B、N
C、NG
答案A
解析 在第三段，作者告诉我们美国从1987年就开始在公立学校开展预防毒品的教育，但青少年吸毒仍在大幅度上升，这迫使美国政府不得不重新审视在预防毒品方面的努力。这实际上暗示美国的毒品预防工作没有成效。
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大学英语四级

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