听下面一段材料，回答第1至4题。 1. What's the main use of the Internet for the woman? [     ] A. Chatting online. B. Doing work. C. Learning languages. 2. What do we learn about the woman? [     ] A. She does some work at home. B. Her work is very interesting. C. Sometimes she needs to chat online to work. 3. How does the man find chatting online? [     ] A. Convenient B. A waste of time C. Interesting 4. What does the woman advise the man to do? [     ] A. Translate the words himself. B. Use a dictionary. C. Learn a foreign language.