What should be your first task when you begin a new lesson?

A. Read the selection in the online textbook.

B. Start to fill out the Vocabulary Knowledge Rating Chart.

C. Take the lesson assessment.

D. Copy the Comprehension questions into the Lesson Note-Taking Organizer.

It depends on the specific lesson and the instructions provided. However, in general, a good first task when beginning a new lesson would be to read the selection in the online textbook (A). This will provide an overview and understanding of the content that will be covered in the lesson.