You are required to write an announcement to inform all the staff of the details of a major event for the celebration of the International Labour Day. In the announcement you should cover the following information:　　（1）the main activities for the celebrat...

You are required to write an announcement to inform all the staff of the details of a major event for the celebration of the International Labour Day. In the announcement you should cover the following information:　　（1）the main activities for the celebrat...