题目

It was New Year’s Night. An _________ man was standing at a window. He raised his _________ eyes towards the deep blue sky, where the stars were_________ like water lilies on the surface of a clear calm lake. Then he _________ them on the earth, where a few more_________ people than himself now moved towards their certain goal—the _________. He had already passed sixty of the stages leading to it, and he had brought from his journey _________ but errors and regrets. Now his health was poor, his mind vacant and his heart _________.The days of his _________ appeared like dreams before him, a求与圆x2+y2-2x+4y+1=0同心，且与直线2x-y+1=0相切的圆的方程．