The Winter Olympics is also called the White Olympics. At this time many colourful stamps are published to mark 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.

　　During the 4th Winter Olympic Games a group of stamps were published in Germany in November, 1935. The five rings of Olympics were printed on the front of the sportswear. It was the first time that the symbol (标志) appeared on the stamps of the White Olympics.

　　In the 1950's, the stamps of this kind became more colourful 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 the Chinese sportsmen began to march into the area of the White Olympics. Japan is the only Asian country that has ever held the White Olympics. Altogether 14,500 million stamps were sold to raise money for this sports meet.

　　Different kinds of sports were printed on the small stamps. People can enjoy the beauty of the wonderful movements of the athletes.

 64.Before the first stamps marking the Winter Olympics, 　　.

　　publishing stamps during the White Olympics became a rule　

　　no one saw a stamp　

　　no country held the Winter Olympics　

　　the Winter Olympics were held twice　

 65.　　 after the third White Olympics, the fourth Winter Olympics were held.

　　Less than four years　

　　About two years.　

　　Less than three years　

　　Four years and ten months　

 66.What's the difference between the stamps marking the 3rd White Olympics and the 4th Winter Olympics?

　　The stamps marking the 3rd White Olympics were more colourful.　

　　The five rings of Olympics appeared on the stamps marking the 4th Winter Olympics.　

　　The stamps marking the 4th Winter Olympics were more expensive.　

　　There are no differences between them.　

 67.According to the passage we can infer that 　　.

　　all the European countries have ever held the Winter Olympics　

　　no stamps were published in Japan when it held the Winter Olympics　

　　in Asia only Japan published the stamps marking the Winter Olympics　

　　China has never held the Winter Olympics