阅读理解。 Stamps for the white Olympics The Winter Olympics is also called the White Olympics. At this time, many colorful stamps are published (发行) to mark (标志) the great Games. The first stamps marking the opening came out on January 25, 1932 in the United States for the 3rd White Olympics. From then on, Publishing stamps during the White Olympics became a rule. (规定) During the 4th Winter Olympic Games a group of stamps were published in Germany in November 1936. The five rings of the Olympics were drawn on the front of the sportswear. It was the first time that the rings appeared on the stamps of the White Olympics. In the 1950s, stamps of this kind became more colorful. When the White Olympics came, the host countries (东道国) as well as the non-host countries published stamps to mark those Games. China also published four stamps in February 1980,when Chinese sportsmen began to take part in the White Olympics. Japan is the only Asian country that has ever held the White Olympics. Altogether 145 million stamps were sold to raise (筹集) money for this sports meet. Different kinds of sports were drawn on these small stamps. People can enjoy the beauty of the wonderful movements of some sportsmen. 1. The White Olympics and the Winter Olympics . [     ] A. are the same thing B. are different games C. are not held in winter D. are held in summer 2. The world made it a rule to publish stamps to mark the great world Games . [     ] A. after the year 1936 B. after the 3rd White Olympics C. before the 3rd White Olympics D. before the year 1932 3. The Winter Olympics is held once . [     ] A. every two years B. every three years C. every four years D. every five years 4. Which of the following is true? [     ] A. Only the host countries can publish stamps to mark those Games B. Only the non-host countries can publish stamps to mark those Games C. All countries can publish stamps to mark those Games D. Japan can't publish stamps to mark those Games 5. What may appear on the stamps of the White Olympics? [     ] A. Basketball B. Table tennis C. Football D. Skating