题目

 Although some people expressed their disagreement at the meeting, most of them were _____ the reform.    A. in need of         B. in memory of          C. in favour of     D. in honour of 答案：C在△ABC中，cosA•cosB+cosA•sinB+sinAcosB+sinA•sinB=2，则△ABC是（　　）A．等边三角形B．等腰非等边的锐角三角形C．非等腰的直角三角形D．等腰直角三角形