英语九年级人教新目标版第十单元sectionB 3b 怎么写

The flying disk was invented by college students .But do you know that the flying disk ,a new kind of toys was invented by accident This story dates back to 1950s.At that time ,some college students was eating pie in a bakery in Bridgeport,Connecticut.After finishing eating ,they threw pie plates for fun.And in this way,the new toy was invented.Today ,there are many special clubs ,magazines,and even festivals of flying disk .It has become a more and more popular toy around the world.