By citing the communication theories, the paper draws a conclusion that only after television news improves its acceptability and meets the audience s needs, it is possible for it to acquire good communication effects.

According to conventional risk theory, the concepts and characterization parameters of vulnerability and severity of loss are probed into, from the ranking matrix of which the potential risk level of attacks on urban facilities may be determined.

For the purpose to perfect the risk assessment of major hazard installation, a vulnerability assessment methodology for industrial facilities is developed on the basis of relativity between target selection of attack and certain inherence of industrial facilities(especially the industrial facilities involve a store of chemical or energy).

This research studied the effects of stress and drawing on children s false memories studied.