[解析]
(1)细节理解题。根据第一段的You must be a member of Young ICCA to participate,and you can apply for membership and become part of the world's leading arbitration knowledge and skills network for young students(您必须是Young ICCA的会员才能参加,您可以申请会员资格,成为世界领先的青年学生仲裁知识和技能网络的一员)可知,只有Young ICCA会员才有资格参加Young ICCA征文比赛。故选D。
(2)细节理解题。根据第二段的The winning essay will be included in a book that will be printed and sold(获奖文章将被收录在一本书中,并将被印刷和销售)可知,获胜者的获奖文章将被发表。故选B。
(3)细节理解题。根据Key submission requirements部分的Participants can invite instructors to polish their essays(参与者可以邀请导师修改他们的论文)可知,参赛者可以找老师改善他们的文章。故选C。