2) People can touch many new things on the Internet.

3) The purpose of this letter is to react some opinions on the service in the dining hall.

三、表达习惯错误
1) Why generated so large a change?

2) Now 6000 yuan can buy a P4 computer.

3) A room often lives 6-8 students.

4) I think this great change has three reasons.

5) The prices of the food are too expensive.

6) The reason for this is because some people want to earn plenty of money without working hard.

四、标点符号及大小写错误
1) However, every coin has two sides, I think the surroundings in our canteen are the best among all universities.

2) The man was racing down the street. Because he was late for the class.

3) At last I want to let you know, I love our university very much.

4) My favorite sports are swimming、jogging、mountaineering and playing table tennis.

5) The best English film in my eyes is《Forrest Gump》.