将下列是主动语态的句子变成被动语态,是被动语态的句子变成主动语态. 1: Liu Xiang was helped by a special programme. 2: It was set up in 2001 to help young sportsmen and sportswomen 3: Liu's races were recorded,and his performance was compared with the word's best ports stars 4: He was trained for gold! 5: His skill at hurdling was noticed by his coach Sun Haiping 6: Liu was encouraged at first to train as a high jumper个位高手摆脱了