Question

question 5 (20 points)
supporting materials are not used to
○ strengthen audience memory.
○ enhance audience understanding.
○ introduce new main points.
○ build audience interest.

Explanation:

Supporting materials are used to strengthen memory, enhance understanding, and build interest. They are not for introducing new main - points. New main points should be part of the main speech structure, not brought in via supporting materials.

Answer:

introduce new main points.