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短文改错。
Although today he is considered one of greatest
(1)______
inventors in the memory of man, but Thomas Alva
(2)______
Edison failed to completing even his first year in
(3)______
elementary school. At an age of twelve, he decided
(4)______
that he disliked mathmatics. As a practical and self-educated(5)___
man, he cared about theory and abstraction(抽象). (6)______ He is often wrong, especially in his (7)______ explanations of the scientist principles(原理), (8)______ on which his inventions based. However, he invented (9)______ two thousands of devices which enriched the industrial,(10)______ economic, and social life of the whole world.
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