和项目前评估相比，后评价的最大特点是( )。
A．信息的独立
B．信息获取快
C．信息的准确
D．信息的反馈
参考答案：D
A ______ has been launched by the netzens on the Net to get rid of unhealthy information which does
harm to young students. [ ]
A. struggle
B. campaign
C. fight
D. battle
