题目

如图，AD是△ABC的外接圆直径，AD＝，∠B＝∠DAC，则AC的值为   ▲  ． 答案：1解析:略(   ) 2. —Oh,hi, Jane!           ？       ―Not bad.   A. How it is going   B. What are you doing   C. How is it going   D. What's the weather like