结构推理 Meng Guanliang and Yang Wenjun of China have won the gold medal in the men's 500-meter canoe double.successfully defending their Olympic triumph in Athens.
【正确答案】中国选手孟关良/杨文军在男子500米双人划艇比赛中获得金牌，成功卫冕雅典奥运冠军宝座。
【答案解析】