This article refutes the mistakes of Bai Lang′s causes of death,such as being shot by Liu Zhen hua′s soldiers ,being wounded by Zhao Ti′s soldiers, and dying of an illness; it, then, expounds the truth of Bai Lang′s death.

The research on object identification in real-world scene is an essential part in the field of scene perception research.

This paper introduced disputation and development of gaze control during real-world scene perception,reviewed the researches about stimulus-based gaze control and knowledge-driven gaze control,and provided some suggestions for further researches in this field.

A Primary Study on How Middle School Students Pose Problem in the Real Situation;