题目

（理）已知之间的大小关系是( ）          A．          B．         C．            D．的关系随c而定 答案：C  解析: x =,y=，∴x<y．-- I think we have met somewhere. -- Was it ____ Monday in May ? And thank you for ____favor you did me fixing my flat tire. A  a, a             B the . the           C  a , the          D  the  , a