【单选题】One day a farmer bought four donkeys at the market place in the village. He got【56】the back of one of【57】and began to tide home.【58】he was riding along, he noticed that【59】were only three donkeys walk...
【简答题】Intellectual property (IP) is a product of the mind that has commercial value. The concept dates back to 1623 when the first patent law to protect IP sights was passed. IP rights protect the artist fr...