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 urine or hair a

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

admin2009-04-23  94
问题 There is a trend that drugs are more readily available and used by youth at a younger age than ever before.
The urine or hair analysis is currently the most widely used method of drug testing.
选项 A、Y
B、N
C、NG
答案A
解析 在第九段结尾可以找到相关的内容。
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大学英语四级

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