怎样成为一个模范学生？

想成为一个模范学生，应该怎么做呢？
I want to be a model student. What shall I do? 　 　
  I should be polite. I should study hard. I should capful and helpful. I should walk in the corridors. I should throw rubbish in the bin.www.English300.com.cn  I should be quiet in the library. I shouldn’t walk and run on the grass. I shouldn’t throw rubbish on the floor. I shouldn’t run in the corridors. I shouldn’t fight. I shouldn’t be noisy in the library. 　  
How about you? www.English300.com.cn