问候语

Good morning/afternoon/evening, everyone!

How are you all doing today？

引入话题

Today, we are going to learn/continue studying about...

Are you ready to start？

提醒注意

Please turn to page [number].

Pay attention, please.

开始上课

Let’s begin/start our lesson.

Class begins!

检查出勤

Who’s on duty today？

Who’s absent？

这些用语可以帮助教师有效地开始课程，调动学生的积极性，并确保所有学生都参与到课堂中来。