I完型填空( 每个2分共20分)
(1) around us, we can see many of Edison’s inventions. The electricity (2) in our rooms is one of his greatest inventions. He developed the telephone which rings in our rooms. Records playing songs and music were also invented by him. In addition to these inventions, he also made the first (3) pictures.
It wasn’t always easy for Edison (4) new things. It was very difficult for him to make the first electric lights. He needed to make hundreds of tests. At first, it wasn’t easy for him to find the right materials, but at last he did, and the world became brighter.
Though (5) in everything, Edison took interest in electricity most of all. He wants to know (6) it. He worked very hard to find possible ways to use it.
Edison’s experiments with electricity (7) the world greatly. Today, with great trains (8)______ on electricity, we can travel much faster. With our homes and the streets of town and village (9) by electric lamps, we live a comfortable life. Radio and television run on it. Science uses it every day.
Though (10) how to explain electricity now, we have learned to use it in many ways. Records,
