题目

“Make－A－Wish” is one of the world's most well－known charities(慈善机构)．It makes wishes come true for children who have serious illnesses(疾病)．It gives them hope and joy and helps them forget about their health problems and have fun.It all started in 1980 in Phoenix，Arizona.Christopher was a 7－year－old boy and he was very sick.He always dreamed of becoming a police officer.Tommy Austin and Ron Cox，two police officers，made his wish come true.They gave Christopher a tour of the city in a police helicopter(直升飞机)and made a real police uniform for him.There ar检验一批产品，合格的有105件，合格率是105%． ．