题目:Writing Directions:write a composition of 300 words within an hour according to the follow- ing graph．Your composition should cover the following points: A．Difference in onnual income between teachers and businessmen; B．Difference in annual income between inland cities and coastal cities; C．These differences greatly influence Title: Writing Directions: write a composition of 300 words within an hour according to the follow- ing graph. Your composition should cover the following points: A. Difference in onnual income between teachers and businessmen; B. Difference in annual income between inland cities and coastal cities; C. Total value of