题目

情景交际M: Mrs. Brown, you must be very tired after a week's hard work and tomorrow is Saturday. Would you like to (放松一下自己) a little?W: Yes. What do you suggest?M: (去听音乐会怎么样)? I hear a famous band is on at the theater.W: When does the concert start?M: (每天有四场演出). A morning performance at 11: 30, an afternoon performance at 4: 00 and two evening ones at 7: 00 and 9: 00 respectively. (哪一场适合你)?W: The afternoon performance, I think.M: (我更喜欢前排). You know, I'm short­sighted.若|x－1|＋|y＋2|＋|z－3|＝0，则(x＋1)(y－1)(z＋3)的值为________．