A
Ever since humans lived on the earth, they have made v    forms of communication. In general, the major form of expressing thoughts and feelings has been s___ language. But when there is a language barrier(障碍), that is, people m  each other , communication is completed through body language where gestures r   letters , words and ideas. Here are many forms of body language in the world, each having its own f  .
Smile is the most u   facial expression, which shows happiness and put people at
e  . When someone gets angry, he may f  _, turn his back to others or make a fist shaking it.  
There are also different ways to g __ someone in different countries. In a word, We should study international customs to avoid difficulties in today’s world c   crossroads.          
B.
My aunt, a s __ in women’s disease, devoted all her life to her w career without e  . She often worked far into the night to d  babies for the poor . It was her kindness and c    she showed to her patients that made her successful . Despite of being a success as a doctor, she was m   , not proud.               
Her devotion to medical science i  me greatly. Suddenly a bright idea came c   in  my mind, “why not c   on her career and work as an o doctor?”