题目

是锐角，且，则=(    ) A．        B．       C．      D． 答案：A听下面一段材料，回答第1至2题。 1. Why does the man have to ask the way? [     ]A. He feels sick. B. He is new in the city. C. He has a poor sense of direction. 2. What do we know about the woman? [     ]A. She knows the city very well.B. She knows nothing about the city. C. She has been in the city for a year.