完形填空。 Children often use body language t

     Children often use body language to show us how they are feeling long before they can talk. If they
__1__their mothers quietly, it is easy to tell that they are__2__. Mothers also know that they can calm
the child with a touch on the cheek or a__3__word.
     It seems that we come into the world with a set of gestures already __4__into us. Everybody,__5__
country, race or religion, can look surprised, smile or cry. It also seems that we can__6__ our mothers'
voice even before we are born. Even a newborn baby will look__7__the direction of its mother's voice
when she is not in sight. Feeding time also represents a time__8__babies and mothers can get closer.
The baby can watch the mother's face__9__.
     Babies are also__10__observers of facial expressions and learn from mothers' reaction__11__or not
something is to be feared. This is often__12__first babies are more timid and less relaxed than their later
brothers and sisters. The mother is__13__more worried with her first baby but by the time the second
arrives she __14__ confidence.
     Babies never want to be left out of any activity. Even small babies will cry __15__ they can see what
is going on around them. Babies learn to __16__quite early with gestures. They point to things and get
__17__when those things are given to them. They laugh during a game and are rewarded when the game
continues. They smile at strangers and are rewarded by being__18__ and cuddled(拥抱). So learning the body language of the children is __19__important and rewarding as studying__20__of another culture.