Do you know how people send messages to each other? Scientists say only 35% of our communication is done through spoken language. ___1___ It is natural for us to use our bodies to share our thoughts and feelings.

___2___ For example, smiling may be the easiest body language. People understand its meaning without thinking. ___3___ But the meaning of some body languages change from one culture to another. Most people move their heads up and down to mean “yes” and side to side to mean “no”. You may think that these have the same meanings everywhere. ___4___ In a country, people move their heads side to side to mean “yes”, and up and down to mean “no”.

As we have looked at some examples, there are many kinds of body languages and their meanings may change from one culture to another. ___5___ If we don't understand them, we may make a mistake and send a wrong signal（信号）. The best advice is to watch what other people do in their cultures and follow them.

A．	Some of the ways of body language are the same all over the world.
B．	Body language is the most important.
C．	It is necessary for us to understand them.
D．	So it is good to smile when we meet people.
E．	The other 65% is done through “body language”.
F．	It is not polite to smile at people.
G．	However, they have the opposite meanings.