The windows task,a nonverbal measure,which was first used by Russell in 1991,is used to test children s strategic deception.

The existing experiment results indicate that the windows task is difficult for preschoolers.

This paper describes in detail the methods for establishing a simulation system of the vocational windows for banking business hall by using CSIMAN simulation technique, the methods to determine an optimum number of the Vocational window by the light of the resource s capacity utilization NR(I) and the length of the queued entities NQ(I)in CSIMAN simulation system.

From the perspective of the Task-based Learning theory,this paper reviews the characteristics of Chinese English learners vocabulary competence and then discusses the relationship between speaking and L2 vocabulary acquisition with an attempt to explore the teaching model which develops L2 learners vocabulary competence through oral tasks in college English class.