Three general guidelines for citing sources during your speech which rely on ethical principles and an audience-centered approach include all of the following except:

a. giving page numbers and place of publication

Supportiveness messages are _______ rather than _______

a. descriptive; evaluative b. evaluative; certain c. certain; provisional d. provisional; descriptive

This console feature is a circuit that allows the operator to put telephone conversations on the air without getting feedback:

a. muting b. mix-minus c. audition d. program e. headphone