【单选题】

It has been justly said that while "we speak with our vocal organs we (1) with our whole bodies. "All of us communicate with one another (2) , as well as with words. Sometimes we know what we’re doing, as with the use of gestures such as the thumbs-up sign to indicate that we (3) .But most of the time we’re not aware that we’re doing it. We gesture with eyebrows or a hand, meet someone else’s eyes and (4) . These actions we (5) are random and incidental.But researchers (6) that there is a system of them almost as consistent and comprehensible as language, and they conclude that there is a whole (7) of body language, (8) the way we move, the gestures we employ, the posture we adopt, the facial expression we (9) , the extent to which we touch and distance we stand (10) each other.

Body language serves a variety of purposes. Firstly it can replace verbal communication, (11) with the use of gesture. Secondly it can modify verbal communication. Loudness and (12) of voice is an example here. Thirdly it regulates social interaction: turn taking is largely governed by non-verbal (13) . Fourthly it conveys our emotions and attitude. This is (14) important for successful cross-cultural communication.
Every culture has its own body language, and children absorb its nuances (15) with spoken language. The way anEnglishman crosses his legs is (16) like the way a maleAmerican does it. When we communicate with people from other cultures, the body language sometimes help make the communication easy and (17) , such as shaking hand is such a (18) gesture that people all over the world know that it is a signal for greeting.But sometimes the body language can cause certain misunderstanding (19) people of different cultures often have different forms of behavior for sending the same message or have different (20) towards the same body signals.
A、unusual B、unique C、ordinary
D、universal