题目

Just Around the CornerI have a friend named Jim. He lived just around the corner from me. The days go by, and before I know it, a year is gone. I never see my old friend’s face. He knows that I miss him, too, as I used to ring his bell, and he rang mine, in the old days. If we were younger, things might be different, but now, we are busy, tired men. We are even tired of playing games.“Tomorrow,” I said to myself, “I will call on Jim just to show that I am thinking of him,” But tomorrow comes and tomorrow goes, and the distance between us grows and grows.Around the corner! His house i若关于x的方程3tx2+（3-7t）x+4=0的两实根α，β满足0＜α＜1＜β＜2，则实数t的取值范围是________．