A survey conducted by Professor Huo Jinzhi from the medical school of Suzhou University showed 4.6 percent of junior middle school students had had sex compared with 4.2 percent in senior high schools.

• 苏州大学医学院的霍金之教授开展的一项调查显示，4.；6%25的初中生有过性行为，而高中生的这一比例为4