当我撰写这篇论文的时候，心情是不断变化的。一开始的时候，因为什么都不知

When I wrote this paper, the mood is constantly changing. In the beginning, because I do not know anything so very unsure of where to start road. Later, after the guidance of instructors and their own literature, I felt my heart in confident mood. But beginning to write papers, I found myself lacking many of the shortcomings and knowledge. Fortunately, the teacher patiently helped me correct.

When I wrote this paper, the mood was constantly changing. At the beginning, because I don't know anything, I'm confused about where to start. Later, after the guidance of the tutor and their own access to the literature, I felt the bottom of my heart. But as soon as I started writing my thesis, I found a lot of my own short board and lack of knowledge. Fortunately, the tutor took pains to help me correct it.

When I write this paper, my mood is constantly changing. At the beginning, because I didn't know anything, I was at a loss where to start. Later, after the guidance of my tutor and my own literature review, I felt that I had the strength in my heart. But at the beginning of writing papers, I found a lot of shortcomings and lack of knowledge. Fortunately, my tutor took the trouble to help me correct.