Direction： For this part， you are allowed thirty minutes to write a composition on the topic： A letter to the university president about the canteen service on campus， you should write at least 100 words， and base your composition on the outline given in Chinese below： 假设你是李伟，请你就本校食堂的状况给校长写了一封信，内容涉及食堂的饭菜质量、价格、环境、服务等等，可以是表扬，可以是..