作文版本:00083 Task 1: you are in a local company and you want to have a training course in another city. write a letter to your boss.
 ; ; ; give the details of the course.  ; ; ; explain the reason why you need to attend the course.  ; ; ; tell him how much time you need to take off from your work.
Task 2:
In the past, we have no computers, Internet, and ...
what is positive and negative effects of these developments