题目内容

简述金属表面处理的主要途径和意义。

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I am Li Ping. I graduate from senior high school and major in 1. I started learning English since I was 12 years old. My parents 2 a lot of American friends. That’s why I have no problem communicating 3 Americans or others by 4 English.In my spare time, I like to do5 relating to English such as listening to English songs, 6English movies or TV programs, or even attending the activities held 7some English clubs or institutes. I 8 to go abroad for a short- term English study. During that time, I 9a lot of daily life English and saw a lot of different things.I think language is very 10. I could express one substance by using different sounds. So I wish I could study and read more English literaturesand enlarge my knowledge.