(Source: English Central)
1. Watch the video without subtitles and complete the following text.
Laughter is one of those rare and beautiful things shared by people all over Earth. A human experience that transcends borders of _____1 _____, _____2______, and lifestyle.
Researcher Robert Provine has found, after listening to _______3______ of people laugh in social situations, that less than one in five chuckles are in response to humor. When a ____4_______ is involved, the person telling it is usually the one laughing.
We're also ____5_______ times more likely to laugh with other people than if we're alone. If laughter is a form of communication, then what are we trying to say?
2. Watch the video again, with subtitles in English, and check your answers. If you are not sure about the answers, you'll find them in the comment below.
3. Did you learn any new words? What do they mean? Please post your comments!