Secretaries play the role of consultantd,assistant and attendent,which is getting more importat.

Objective To study how an assistant holding the laparoscope during LC(laparoscopic cholecystectomy) coordinates with the operator.

Explores the location of office work in universities and colleges,states how office play properly an assistant of work,information,sevice and reception.

Based on the characteristics of Principle of Chemical Engineering , the paper presents ways to improve teaching,which includes cultivating the student's ability to grasp the conception and methods of engineering , emphasizing the core place of the chemical principle and making use of assistant methods in classroom.

This paper introduces the method to implement similar office assistant by using Microsoft agent technology in C++Builder programming.