听下面一段对话,完成第1至3题。 1. What are the two speakers? A. Teachers on the same tour. B. Lecturers at a conference. C. A tourist and a scientist. 2. What was the man in China for? A. For a conference. B. For a lecture. C. For a tour. 3. How many cities in China has the woman ever been to? A. None. B. One. C. Four. |