英语写通知作文的开头可以根据不同的场合和目的进行设计。以下是一些常见的通知开头方式：

直接通知

"Attention, everyone. I have an important announcement to make."

"Dear classmates, I have something crucial to inform you about."

背景介绍

"As you are aware, our class has been planning a trip..."

"Given the recent situation, we need to make some changes to our schedule."

具体细节

"We will be meeting at the school gate at 8:00 AM tomorrow..."

"Please be prepared to discuss the project details during the meeting."

正式场合

"I am writing to inform you of the upcoming meeting..."

"It is with great pleasure that I announce the launch of our new initiative."

情感表达

"I hope this message finds you well. I am writing to share some exciting news with you."

"I am reaching out to you with a request that concerns our upcoming event."

根据你的具体需求选择合适的开头方式，可以使你的通知更加清晰、有效。希望这些建议对你有所帮助!