Nowadays,the theorists and practitioners concern more about the recruitment and selection of the senior professional managers,however,we also have to notice the medium professional managers\' important role of a bridge connecting the senior and junior PM,because they still determine the future of an enterprise together with the other people.

Status analysis and control proposal of Hydrogen sulfide occupational poisoning in China;

In the process of chemical production and storage and transportation,employees come into contact with toxic substances resulting in occupational poisoning.

Among them,pneumoconiosis and chronic occupational poisoning were counted as 145 and 18 cases respectively,8 episodes of acute occupational poisoning accidents occurred and resulted in 36 pe.

Study on the Current Situation and the Countermeasures of the School-Running of Vocational High School;

The paper,after investigating,analyzing and summarizing the current studying situation of vocational high school students,probes into some education strategies,trying to explore an effective way to improve their studying quality.

In view of problem that existed in the current network foundation lesson teaching of the vocational high schools, such as: Students character is low, disobeying the discipline at class, the teaching quantity is difficult in guarantee, the teacher teaches while the students play at class, the teaching efficiency is low, etc, which cause the teacher cannot finish the teaching task.

A Study of Chinese Learning Evaluation for Vocational School Students;

Altogether 704 teachers from 14 high schools and 15 vocational schools are investigated by a questionnaire on comparison of the predicting effect of their teaching efficiency and working stress on their occupation exhaustion.