题目

  In 1947 Angela Mortimer was captain of the team which won the Plymouth Interschools’Championship．From the moment she stepped forward to receive the silver cup．she was determined to become a Wimbledon Champion．   Encouraged by her school championship success，Angels decided that she should have proper coaching．She heard that there was a good tennis coach at Torquay，a Mr Roberts，who was prepared to give free tennis lessons to promising youngsters under twelve years of age and living in the Torquay area.The fact that Angela was over fifteen did not stop her．One Saturda如图，AB是⊙O的直径，若∠C=58°，则∠D=32°32°．