题目

阅读短文，根据短文内容，从短文后的五个选项中选出能填如空白处的最佳选项。选项中有一项为多余选项。 Everyone enjoys interesting sports. As we all know, 1. They are often played outside with a ball and thousands of people watch them. Most people are interested in watching their favorite team. They love watching them win.    Some interesting sports, like football and soccer, are practiced and played in all kinds of weather. When they are played in the snow or in the rain, __2__ . Some games are won or lost just because the weather is bad.   在矩形中，，，点是边上一点（不与、重合），以点为圆心，为半径作，如果与外切，那么的半径的取值范围是_______．