24.D细节理解题。根据第二段的“ During math class, the students will connect the natural worldwith numbers. ""When Earle teaches history and geography of the state, nearby trails and walkingpaths will be a great opportunity to learn about the state through nature.”可知,孩子们在户外上课可以接触大自然。
25.A细节理解题。根据画线后的信息可知,天气不好时,老师们需要做另外的计划。并且许多学校没有足够的户外空间来容纳所有的学生。由此可知,户外学习并不是一帆风顺的,而是充满挑战的。