学长学姐们有木有北大通信工程专业历年的考研习题资料呀～～[FLUSHED FACE][FLUSHED FACE]求提供～～～谢谢各位啦么么大[FACE THROWING A KISS][FACE THROWING A KISS][FACE THROWING A KISS][FACE THROWING A KISS][PERSON WITH FOLDED HANDS][PERSON WITH FOLDED HANDS][PERSON WITH FOLDED HANDS][PERSON WITH FOLDED HANDS]