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     An Iowa elementary school principal was taped onto a gym wall by his students on Friday，November 5th，2014.Principal Ryan Castle of Colorado Elementary School in Iowa，America let 27 students in his school tape him to a gym wall.He stayed up there，with his both feet suspended(悬浮) above the floor，from the morning until lunch time.

     Ryan Castle earlier promised to the students that if they sold 10，000 fall festival tickets，he agreed to be taped onto a gym wall at his school.Unexpectedly，the students had sold 11，000 fall festival tickets by October the 31st.He kept his promise and he let the students tape him onto a gym wall.

     Twenty－seven top－selling students were allowed to tape Ryan Castle up.Ryan Castle was photographed wearing a fake mustache because it was Mustache Day for the school.It was not the first time that principals were taped onto a wall in America.Ryan Castle's case comes after at least three other recent cases of school principals being taped up on the wall for a good cause.

     On last Wednesday，Jay Woller of La Crescent Elementary School in Minnesota America was taped onto a wall after $21，000 was collected by his students through fundraising.And last month，Randy Ten Pas of Hull Christian School in Iowa America was taped onto a wall with duct tape.He was taped on a 300－feet－tall building wall in his school—as a symbolic reward for students' fundraising efforts coming to $3，300.Randy Ten Pas was photographed wearing a green cap and with a drawing of the Denver Broncos logo(商标) next to him.At St.Mary Catholic School in Orange，Texas，principal Donna Darby offered a similar ticket－selling challenge to students in September.He was also taped onto the wall in the end.They kept their word and set good examples to their students.

材料一：图片对历史与社会学习有重要作用。有世界“史库”之称的美国《时代》周刊从1951年到1975年，六次将周恩来登上了封面，以下是其中的两次。

材料二：在当今国际舞台上，恐怕没有哪两个大国像中美这样存在如此巨大的差异：一个是最大的发展中国家，一个是最大的发达国家；一个是社会主义国家，一个是资本主义国家。关于中美新型大国关系的内涵，***主席曾经在与美国前任总统奥巴马的会晤中用三句话做了精辟概括：一是不冲突、不对抗；二是相互尊重；三是合作共赢。他还指出：为了和平，中国将始终坚持走和平发展道路。中华民族历来爱好和平。无论发展到哪一步，中国都永远不称霸、永远不搞扩张，永远不会把自身曾经经历过的悲惨遭遇强加给其他民族。