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.

为测定一木块与木板间的动摩擦因数，同学甲设计了两种方案．

方案一：木板水平固定，通过弹簧秤水平匀速拉动木块，如图a；

方案二：木块固定，通过细线水平拉动木板，如图b．

Amy spends more time writing than ________. So her writing is better than _______.

汽车刹车之后

现代社会汽车大量增加，发生交通事故的一个重要原因是遇到意外情况时不能立即停止，司机从看到情况到肌肉动作操作制动器需要一段时间，这段时间叫反应时间；在这段时间内汽车要保持原速前进一段距离，叫反应距离；从操作制动器刹车，到车停下来，汽车又要前进一段距离，这段距离叫制动距离(如图所示)。

下表是一个机警的司机驾驶一辆保养得很好的汽车在干燥的水平公路上以不同的速度行使时，测得的反应距离和制动距离。