【答案与解析】本文是一篇应用文。主要介绍WOOT的基本情况,包括课程内容、课程价格、注意事项等21.C细节理解 What题根据 is WOOT?中“ that brings together many of the best students from around the world to learn Olympiad problem solving(解决) skills可知,学生通过WOT可以学会解决奥林匹克问题的技能。22.D细节理解题,根据 What does WOOT offer中6 special classroom sesssons: four for going over some of the practice Olympiad tests. and two for covering strateges(策略) for taking the AIME and USAMO.可知,6次特别课程包含参加 USAMO的策略23.A细节理解题根据 ow much does WOOT中2019 Math Olymplad Summer Program participants may participate for free to ponsorship from The. Shaw group.可知,201年数学奥林匹克夏季项目的参与者可以免费报名