Sudha Chandran, a classical dancer from India, had to have her right leg cut after a car accident. She was also cut off on her bright1road.

    However, she didn't stop 2 In the painful three months that3 Sudha met a doctor who had a(n)4on her leg. So eagerly she wanted to go back to dancing after she had been fitted with a man-made5Sudha knew that she believed in herself and she thought she could 6her dream, so she began her brave journey back to the world of  7— learning to balance, bend, stretch, walk, and turn.

    After every public recital (表演), she would ask her dad about her8.“You still have a long way to go” was the9she used to get in return. In January 1984, Sudha made a historic comeback by giving a10recital in Bombay. She performed in11a great manner that it moved everyone to12and this performance pushed her to the number one position again. That evening when she13her dad the same question, he didn't say 14He just touched her feet as a praise.

    Sudha's comeback was so touching that a film producer decided 15 the story into a hit film,16has moved more and more people.

When someone asked Sudha how she had17to dance again, she said quite 18“YOU DON'T NEED FEET TO DANCE.” Nothing is 19 in this world. If you have the will to win, you can20 anything.

①井冈山精神   ②延安精神   ③大庆精神   ④载人航天精神

从边长为（a+1）cm的正方形纸片中剪去一个边长为（a﹣1）cm的正方形（a＞1），剩余部分沿虚线又剪拼成一个矩形（不重叠无缝隙），则该矩形的面积是____