本文是说明文。介绍了冬季奥运会，介绍了邮票的发行等等。
21．The White Olympics and the Winter Olympics________.
A．are of the same kind of Games
B．are of different kinds of Games
C．are both held in winter
D．are not both held in winter
答案 A 细节理解题。由文章第一句可知答案为A。
22．From the passage we know the symbol of five rings came into being________.
A．in November 1935
B．in the 1950's
C．first in Germany
D．before the November of 1935
答案 D 推理判断题。由第二段可知，1935年11月，五环标志第一次被印刷在冬季奥运会的邮票上，因此可推知，五环标志一定是出现在1935年11月之前。
23．The Japanese sold out 14,500 million stamps in order to raise money for________.
A．an Asian Games B．its own people
C．paying for its war D．a worldwide Games
