题目

In one’s life，one spends the most time  1  with oneself．But one has the least understanding of oneself．When you are successful，you may be very proud．When you  2  ，you may lose heart．If you don’t get a thorough understanding of yourself（彻悟自我），you may miss many chances in life． To get a thorough understanding of yourself is to know well about yourself．You may realize your strong points and weak  3 ．You may hope for a wonderful future．but be sure not to expect too much because not  4  dreams can come true．You may be confident enough to meet challen如果关于x的方程3x-5+a=bx+1有唯一的一个解，则a与b必须满足的条件为A.a≠2bB.a≠b且b≠3C.b≠3D.a=b且b≠3