在预习时,要把课文通读两遍,(第一轮)先通读教材,完成表层理解题,(第二轮)再找出文中的疑难点。2.完成时间30分钟。背景展现 the ancient olympic games were held every four years in olympia, greece. it was chosen because it was more or less in the centre of the greek world. only greek free-born citizens could take part. slaves were prevented from competing. the games were held in a four-year cycle at olympia. there were other games held at two-year or four-year intervals: the isthmean games held at corinth, the nemean games held at nemea and the pythian games held at delphi. most athletes competed in several competitios but the olympic games remained the most important. in the same way today athletes take part in the asia games or the commonwealth games, but the plympic games remains the most important for all athletes. only men and boys could compete