题目

Eating together as a family is a rare thing these days. 【1】.Once I start my own family, I’ll definitely do anything possible to establish a tradition of eating together as a family. Here’s why.【2】When you eat together as a family each day, your children will learn to respect both parents. They know you two are busy, but still find time to share meals with them.Learn good table mannersWhen you have small kids, eating together as a family is an easy way to show and teach them good table manners, of course, if yours are good. 【3】,how to be on time so that other family members don观察式子：11×3=12（1-13），13×5=12（13-15），15×7=12（15-17），…．由此计算：11×3+13×5+15×7+…+12009×2011=1005201110052011．