题目内容：
根据以下资料，回答题：It has been justly said that while“ we speak with our vocal organs we__1___wlth 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’upsign 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 mmunication， __ 11___with the use of gesture．Secondly it can modify verbal communication. Loudness and ___12 ___ 0f voice is an example here．Thirdly it regulates social interaction：turn taking IS largely governed by onverbal___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 sDoken language．The way an Englishman crosses his legs is___16___ like the way a male American 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．address
B．reverse
C．converse
D．confer
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