【简答题】完形填空。 The famous British inventor George Stephenson was born in 1781 and died in 1848. One of his most important inventions was the train. He 1 his first train when he was forty-four years old. When h...
【单选题】Alfred Nobel, a Swedish inventor contributed most of his vast fortune in a trust as a fund from which annual prizes could be awarded to individuals and organizations who had achieved the greatest bene...