问题
选择题
The five rings on the Olympic flag ______ the five continents that are joined together in the Olympic Games.
A．belong to
B．stand for
C．take apart
D．pack up
答案
B
题目分析：A. belong to属于，B. stand for代表，C. take apart拆开，D. pack up收拾行李，句意：奥运会旗上的五环代表在奥运会上联合起来的五大洲。根据句意选B。