题目

阅读短文，回答问题Warm weather gets thousands of people to gather outdoors and celebrate for various events. Here are a few fun festivals that you should travel to see this summer.Naadam (Ulaanbaatar, Mongolia)Naadam, also known as the three games of men, is the biggest traditional festival held in Ulaabaatar, the capital of Mongolia. Each July, men compete in Mongolian wrestling, horse racing and archery. Today, women also take part in the archery and girls in the horse racing.Elvis Week (Memphis)If moving your body to Blue Suede Shoes this summer sounds good to you, then head to Mem 的展开式中的系数为______________.