_海南成考网

What does the text mainly discuss about the Internet?

• A、Its influence on school teachers.

• B、Its effect on high school students.

• C、Its success in high school teaching.

• D、Its achievements in school research.

-   Hello, Jim! May I ask you a question?

- _________ .

• A、Right

• B、Certainly

• C、No, thanks

• D、Never mind

53.________.