题目

After watching the movie Avatar, Mary lay in bed with her eyes_______open while all her family were_______asleep. A. widely; soundly B. wider; soundly C. widely; sound D. wide; sound 答案：D 已知两圆(x＋1)2＋(y－1)2＝r2和(x－2)2＋(y＋2)2＝R2相交于P，Q两点．若P点的坐标为(1，2)，则Q点的坐标为________；