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  3. THOMAS EDISON On the night of 21 October 1931, millions of Americans took part in a coast-to-coast ceremony to commemorate

THOMAS EDISON On the night of 21 October 1931, millions of Americans took part in a coast-to-coast ceremony to commemorate

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问题                                   THOMAS EDISON
   On the night of 21 October 1931, millions of Americans  took  part in a coast-to-coast ceremony to commemorate the passing of a great man. Lights 【B1】______ in homes and offices from New York to California. The ceremony 【B2】______ the death of an inventor—indeed, to many people, the most important inventor of 【B3】______ time: Thomas Alva Edison.
   Few inventors have 【B4】______ an impact as great as his on everyday life. While most of his 1 000- plus inventions were devices we no 【B5】______ use, many of the things he invented played a crucial 【B6】______ in the development of modern technology, simply by showing what was possible. And one should never 【B7】______ how amazing some of Edison’s inventions were.
   In so many ways, Edison is the perfect example of an inventor, by which I 【B8】______ not just someone who 【B9】______ up clever gadgets, but someone whose products transform the lives of millions. He possessed the key characteristics that an inventor needs to 【B10】______ a success of inventions. Sheer determination is certainly one of them. Edison famously tried thousands of materials while working 【B11】______a new type of battery, reacting to failure by cheerfully 【B12】______to his colleagues: ’Well, 【B13】______we know 8 000 things that don’t work.’ Knowing when to take no 【B14】______ of experts is also important. Edison’s proposal for electric lighting circuitry was 【B15】______ with total disbelief by eminent scientists, until he lit up whole streets with his lights.
【B11】______
选项 A、up
B、through
C、on
D、to
答案C
解析 work on是“致力于…，研究”之意，on是介词，后面接研究的对象，根据上下文应选C。
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