听对话及问题，选择正确答案。 (     ) 1. A. Because he is speaking too fast. B. Because he is speaking too slowly. C. Because he doesn't know what to say. (     ) 2. A. He will look up the word in a dictionary. B. He will buy a dictionary. C. He will sing an English song. (     ) 3. A. For traveling. (     ) 4. A. A computer. (     ) 5. A. Yes, she did. B. For visiting. B. A radio. B. No, she didn't. C. For learning English. C. An English learning machine. C. Yes, she didn't.