In recent years, multimedia and network have been widely applied to the teaching of listening and speaking on non-English-majored college students. In this article, the current situation of the teaching of listening and speaking in Chinese universities was analyzed, then, the advantages of multimedia and network were illustrated.Based on the problems that were found, some strategies were put forward to make the teaching more effective.

When the student population size of a school or college reaches a certain amount or critical value, student groups will occur a qualitative change, this can be seen most clearly occurrence of various incidents is a conspicuous rise within student groups, the type of incidents occurred more is diverse and facing the situation is even more complex. The article attempts to puts forward the critical value of a school entity population size and its impact factors, and states the management strategy after the population size exceeded the critical value from the viewpoints of proportionate relationships of teachers and students.