When a speaker delivers a speech from a written or memorized speech outline without having memorized the exact wording of the speech, he/she is practicing _______ speaking

_____ is the unique technical terminology of a trade or profession that is not generally understood by outsiders.

a. Abbreviation b. Acronym c. Jargon d. Slang

LED stands for

A. loose electronic device. B. light-enhancing diode. C. light-emitting diode. D. light-enhancing device.