请听下面一段材料,回答第1-3题。 1. What’s the probable relationship between the two speakers? A. Good friends. B. Strangers. C. Classmates. 2. What can we know about the woman from the conversation? A. She won a cup in last week’s tennis competition. B. She is a science expert. C. She works at St Jude’s Training College. 3. How long has the man been in the science department? A. Half a year. B. More than a year. C. Two years.