【考点】考察广告应用类阅读
【文章大意】本文属于应用文中的通知，主要介绍了The Cambridge Science Festival Curiosity Challenge剑桥科技节的很多信息，介如活动的流程，时间节点等。
21.【答案】A
【试题解析】细节题。根据文章第一段2,3行The challenge invites , even dares school students between the ages of 5 and 14 to create artwork or a piece of writing that shows their curiosity how it inspires them to explore their world.可知这个活动主要的参加对象是学校里的学生。故A正确。
22. 【答案】D
【试题解析】细节题。根据文章第三段Students who enter the Curiosity Challenge and are selected as winners will be honor at a special ceremony during the CSF on Sunday, April 21st.可知进入挑战赛的并获奖的同学将在4月21日的颁奖典礼上接受颁奖。故D正确。
23【答案】.C
【试题解析】推理题。本文主要介绍了The Cambridge Science Festival Curiosity Challenge剑桥科技节的很多信息，属于应用文中的通知。也就是让别人知道这件重大活动的情况。故C正确。
【长难句解析】
Students who enter the Curiosity Challenge and are selected as winners will be honored at a special ceremony during the CSF on Sunday, April 21st.
【翻译】进入Curiosity Challenge并被选为获胜者的学生将会在4月21日一个特别的仪式上被授奖。
【分析】本句中含有一个定语从句who enter the Curiosity Challenge and are selected as winners，修饰先行词students。这个定语从句中的谓语部分是有and连接的两个并列的动词短语。
