中国网山东滨州2016年12月20日讯：近日，滨州迎来雾霾天气，PM2．5指数迅速升高，并达到了滨州市的最高污染等级。从切实保护学生身体健康的实际出发，滨州市教育局经研究决定，全市中小学启动I级预警，自20日上午8:00起，滨州市中小学及幼儿园实施临时停课。

根据短文对划线部分改错。

Dear students,

          The Students Union have  ____ decided to organize a music week. It will be hold ____  in the first week of May. The activities include singing pop songs and play ____  classical and folk music. Bring your own music____  instruments, please. A music contest will be included, either____. The students who take the ____  part in the contest will listen to part of a song and____ a piece of music, and then guess where it comes from. If you’d like ____  take part in the music week, please to come ____  and sign up for it before April 20th. The place of the activities will be announced late ____ .

Come to the great fun!

下列关于布雷顿森林体系建立的表述，不正确的是(  )。