But it's a fact that informative speaking saves lives.
出自-2010年12月听力原文
For example, several months after listening to an informative speech, Pete Gentry in North Carolina rescued his brother who is choking on food, by using the method taught by student speaker, Julie Paris
出自-2010年12月听力原文
In addition to saving lives, informative speakers help people learn new skills, solve problems and acquire fascinating facts about the exciting world in which they live.
出自-2010年12月听力原文