题目

阅读理解 If you feel at present that you don't have enough friends inyour life, one reason may be that you have let yourself become too busy to maketime for the relationships you already have. Starting and keeping friendshiprequires effort and commitment. Many of us let our lives become so busy with work and otherresponsibilities that we don't get around to scheduling time for pleasure andrenewal(叙旧)with the friends, relatives andacquaintances we already have. Making the effort to call your friends more regularly and toaccept more of their invitations you receive from others can improv（11分）  (1)求证；    (2)比较的大小,并证明(3)是否存在证明你的结论。