What is the general style. of this professors talk？A．It is a formed speech full of special

What is the general style. of this professors talk？

A．It is a formed speech full of specialized vocabulary and terms.

B．It is a casual speech aiming to familiarize the audience with a new course.

C．The professor wants to establish the new course in a friendly style.

D．It is like storytelling, interesting and easy to follow.

此题为多项选择题。请帮忙给出正确答案和分析，谢谢！