2.只允许修改10处，多者(从第11处起)不计分。

Oseola McCarty spent more than 75 years washing and iron other people's clothes. Like a laundry woman, she was paid only a few dollar each time. Certainly nobody would consider her rich, but they were all amazed when Miss McCarty decided to donate $ 150,000 to the University of Southern Mississippi. She could save such large amount of money because of she lived a very simple life. She never learned to drive, and when she wanted to go somewhere, she just walked. She never flies to anywhere till the donation. Her donation was for students who clear needed financial help. He left school in the sixth grade and never got married or had children. She said to the reporters that the idea of helping somebody's child go to college gave her many pleasure.