Ⅰ.阅读理解(共10小题；每小题2.5分，满分25分)
A
Have you ever ridden over huge rocks or through grass as tall as a thirdgrader？The mountain bikers from an international biking group sure have! Reporter Ricky caught up with three of them—18yearold Michael Castellanos, 13yearold Gerardo Mendez，and 16yearold Jackie Luevano—to learn about their experiences with the group.
