An announcement 一个通知

Dear friends,
　　May I have your attention,please? I have an announcement to make.A student touring group from Australia is coming to visit our school on Friday afternoon,April 12.Our guests will arrive at 2:00 p.m.and leave at 6:00 p.m. We are going to hold a meeting to welcome them on the playground at 2:10 p.m..Everybody is required to attend it on time.After that,they will be shown around our classroom building,lab building,library,school-run factory and swimming-pool.Last of all,a get-together will be given in the auditorium.There will be singing,dancing,music,games and exchange of gifts.Please take an active part in it.
　　That's all.Thank you.
亲爱的朋友们，
请注意，我要宣布一个通知。四月十二日，星期五下午，一个学生旅游团从澳大利亚来参观我们的学校。我们的客人将在下午2:00到达，下午6点离开。在晚上九点十分，我们要在操场上举行一个议式来欢迎他们。每个人都要参加。之后，他们将参观我们的教学楼，实验楼，图书馆，校办工厂和游泳池。最后，一个联欢会在大礼堂举行。会有唱歌，舞蹈，音乐，游戏和交换礼物。请积极参与。
就这样。谢谢你们。