题目

如图，AB是⊙O的直径，点C，D在⊙O上，OD∥AC，下列结论错误的是 （   ） A．∠BOD＝∠BAC                                     B．∠BOD＝∠COD    C．∠BAD＝∠CAD                                     D．∠C＝∠D         答案：D听下面一段材料，回答第1至3题。 1. What do you think the woman is worrying about? [     ]A. Her son's safety. B. Her son's schoolwork. C. Her son's time for school. 2. What's the weather like then? [     ]A. Fine. B. Cold. C. Rainy. 3. What is the man's attitude (态度) toward his mother's talk? [     ]A. Careful.B. Impatient. C. Satisfied.