阅读理解（共20题，每小题2分，共40分）
第一节（共15小题，每题2分，共30分）
A
Several different stories are told about the origin（由来） of Saint Valentine's Day（情人节）. One legend(传奇) dates as far back as the clays of the Roman Empire, according to the story, Claudius, the Emperor of Rome, wanted to increase the size of the army. He knew that it would be easier to get young man who were not married to join. Therefore he made a rule that no young man could marry until he had served a certain number of years in the army.
