题目

坐标半面上，在第二象限内有一点P，且P点到x轴的距离是4，到y轴的距离是5，则P点坐标为何？A．(-5，4)B．(-4，5)C．(4，5)D．(5，-4) 答案：A解析:略2．However frequently he____in doing the experiment，he never loses his confidence．（　　）A．defeatB．was defeatedC．will defeatD．gets defeated