精听建议：

先完整地把一条新闻听一到三遍，争取掌握大意。然后，一句一句精听，力争每句话都听明白。遇到实在不懂的地方，再听写。

下面的文本材料中空缺部分里面要填的词都很简单，不过是一些值得注意的连读或者典型的美式发音哦，有些语速比较快。试试看，你能不能全部写对？

（参考文本，欢迎指出错误^^）

Lesson49 Thomas Alva Edison

Thomas Alva Edison was born in 1847. He was sick a lot when he was young. Edison's mother taught him lessons at home and he only studied the things he wanted to know. 1 , he read his first science book.After he read the book, he built a laboratory in his house.Soon,Edison started to invent things.
He was interested in the telegraph and electricity. At age twenty-three, he made a special telegraphic machine and sold it for a lot of money. With this money, he was now free to invent 2 ．
Edison started his own laboratory at Menlo Park, New Jersey. He hired mechanics and chemists to help him. He worked 3 . Once, He worked on forty-five inventions at the same time. Edison did not sleep very much, but he took naps. He often fell asleep with his clothes on. One day, he even fell asleep in a 4 !
Did you know Edison invented wax paper, fire alarms, the battery, and motion pictures? By far his favourite invention was the record player. His other famous invention was the 5 . Edison died in 1931, at the age of eighty-four. He had over 1,300 inventions to his name! Many people say that Edison was a genius — one of the smartest people in the world!

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