精聽建議：

先完整地把一條新聞聽一到三遍，爭取掌握大意。然后，一句一句精聽，力爭每句話都聽明白。遇到實在不懂的地方，再聽寫。

下面的文本材料中空缺部分里面要填的詞都很簡單，不過是一些值得注意的連讀或者典型的美式發音哦，有些語速比較快。試試看，你能不能全部寫對？

（參考文本，歡迎指出錯誤^^）

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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