题目

The night started our ordinarily enough. Jack and Tara，our__36____，were in their small beds surrounded by toy animals. My husband，Pat，and I went to sleep___37 ____. __38_____after midnight，Jack quietly touched me. “Mommy，I want to stay with you. I promise I won’t take much room.” I shifted___39_____to make room. My son soon fell asleep. An hour later，Tara cried and I carefully went downstairs. “Mommy，my____40_____is all stuffed up (堵住)．I can’t really breathe very well. Will you please____41____with me a little while？” Tara doesn’t often get up at n若定义在区间D上的函数f（x）对D上的任意n个值x1，x2，…，xn，总满足[f（x1）+f（x2）+…+f（xn）]≤f（），则称f（x）为D上的凸函数．已知函数y=sinx在区间（0，π）上是“凸函数”，则在△ABC中，sinA+sinB+sinC的最大值是     ．