Firstly You should make sure that what english level are you really.
Secondly You should read more that ten thousand words article each day
Third You should find a foreign people to improve your spoken english or create the environment to practise youself.
the direct way : Find a foreign language department girl as your girl friend, you will surprise that how fast you improve your english level.
Dear Sir or Madam:：
Here is a young college graduate with full responsibility and aggressiveness, modest and sincere, open-minded and sociable, in questing of your attention. I am an undergraduate of Central South University, majoring in College of Chemistry and Chemical Engineering, now in the face of graduation. It will be very generous of you to look throng my qualifications that followed.
I am always strict with myself in all aspects and attach much importance to thinking and solving problems by myself. During my college days, I have set up a solid foundation of my major. Apart from having obtained the professional knowledge and skill from the four years systematical study ,I have also broadened my view through taking minor courses, reading comprehensively and participating various of social activities in and out of the campus, such as tutor’s job, sakes promotion and social investigation.
Now, let me show you what degree my proficiency has reached and in what specific fields I have studied. I have passed the CET4. Now, I can manage both of the interpretations and writing.
In brief, after so many years of diligent study at school, I am confident that I have enough qualifications to seek for employment in the society and meet the challenge.
Any further request is welcomed, I wish to be given an opportunity of interview. An opportunity to me, Great reward to you!
I’m looking forward to your reply!
【原文参考】知乎—面试的时候，如何自我介绍？回答模板1.简单的背景介绍 (Background)第一部分，简单介绍类似于「我叫xxx，xxx大学xxx专业研究生在读，本科毕业于xxxx。目前我在xxx组织担任xxx职位，在xxx公司兼任xxx职位……」这样的信息2.相关工作经验介绍 (Professional)第二部分，举出几个与你面试职位相关的工作/实习经历。几个需要注意的点—— A. 不要只罗列