Personification. :) :) O̲ppa̲ (っ-̶●̃益●̶̃)っ ,︵‿ S̲t̲yl̲e̲
"<span>The former astronaut gave an inspiring opening address to the crowd of excited, fascinated students" is the best choice, although a comma could technically be placed after "inspiring" </span>
A preview is generally a first look at something before it is released (like when a film is previewed before it’s released to the general public).
