送交者: steven 于 2012-01-12, 18:22:49:

回答: 那个曾经坐过我车后座的女同学(ZT) 由 湘女 于 2012-01-12, 17:07:25:

• 不知现在中学生发生性关系的比例是多少？ (无内容) - 湘女 (0 bytes) 2012-01-12, 18:39:30 (641092)
  • according to NIH, in 2002, by age , 70% of samples have sex. (无内容) - steven (0 bytes) 2012-01-12, 20:04:22 (641109)
    • 美国？中国？ (无内容) - 湘女 (0 bytes) 2012-01-12, 20:13:41 (641114)
      • why NIH would care about China? (无内容) - steven (0 bytes) 2012-01-12, 20:36:48 (641118)
        • because it funds China. (无内容) - cornbug (0 bytes) 2012-01-12, 21:18:54 (641127)

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