变态反应原不包括下列（ ）
A. 食物
B. 花粉
C. 尘埃
D. 水
What does “IOC” stand for?
A. International Organized Community
B. International Organized Committee
C. International Olympic Community
D. International Olympic Committee
Where were the ancient Olympic Games held?
A. England
B. America
C. Greece
D. France
When did the “Olympic” appear in the documents?
A. In the16th century.
B. In the 17th century.
C. In the 18th century.
D. In the 19th century.
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