阅读理解。 Dear Sir, In reply to your advertisement in today's China Daily regarding a vacancy in your office, I wish to apply for the position of senior clerk, which you have specified. I feel sure that I can meet your special requirements that the candidate must have a high command of English, for I graduated from the English Language Department of Wuhan University three years ago. In addition to my study of English in the university, I have worked for three years as a secretary in the firm of ABC Trading Co. Ltd. The main reason for changing my employment is to gain more experience with a superior trading company like yours. I believe that my education and experience will prove useful for work in your office. I am enclosing my resume, certificate of graduation and a letter of recommendation from the president of the university. I shall be obliged if you will give me a personal interview at your convenience. Very truly yours, Li Mei 1. The author learned the news that the company wanted to employ staff members from _____. A. a notice B. a magazine C. a poster D. a newspaper 2. Why does the author want to change his job? A. To be promoted. B. To have a better job and higher pay. C. To gain more working experience. D. To make his living conditions improved 3. The author thinks _______ is (are) his advantage(s) to get the employment. A. his good command of English B. his working experience C. his certificate and the letter of recommendation D. both A and B 4. From the letter, we can learn that _________. A. the author would be very thankful if the company arranged a meeting with him. B. the firm of ABC Trading Co. Ltd had a vacancy in the office. C. while the author was studying in the university, he worked part-time as a secretary. D. the president of Wuhan University had good relations with the company.