I have quiz about Executive communication in business administration this quiz it will be 9 or 10 multiple choice questions

watch two vidoues:

first one is:

http://ed.ted.com/lessons/the-science-of-stage-fright-and-how-to-overcome-it-mikael-cho?utm_source=TED-Ed+Subscribers&utm_campaign=7562a25c0b-2013_09_219_19_2013&utm_medium=email&utm_term=0_1aaccced48-7562a25c0b-43154785

second one is: 

https://www.youtube.com/watch?v=ZH5GpdMmIO8

also you should read two Powerpoint I will upload