题目

在△ABC中，三边长a，b，c满足a3＋b3＝c3，那么△ABC的形状为( ) A．锐角三角形                           B．钝角三角形 C．直角三角形                           D．以上均有可能 答案：A() 10. —I called you at half past nine this morn ing,but there was no answer.—Oh,sorry. I with my cousin in the supermarket.(2015新疆克拉玛依)   A. shopping   B. was shopping   C. shopped   D. will shop