Thomas Alva Edison was awarded more patents on inventions than any of other American. When he died in 1931, Americans wondered h

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问题     Thomas Alva Edison was awarded more patents on inventions than any of other American. When he died in 1931, Americans wondered how they could best show their respect for him.
    One suggestion was that the nation observe a minute or two of total blackout. All electric power would be shut off in homes, streets,and factories.
    Perhaps this suggested plan made Americans realize fully what Edison and his inventions meant to them. Electric power was too important to the country. Shutting it off for even a short time would have led to complete confusion. A blackout was out of the question.
    On the day of Edison’s funeral, many people silently dimmed their lights. In this way they honored the man who had done more than anyone else to put the great force of electricity at his countrymen’s fingertips.
Americans fully realized what Edison’s inventions meant when they______ . (  )

选项 A、heard of his death
B、heard of the plan to honor him
C、first used electric power
D、tried to carry out the plan

答案B

解析 细节题。“在什么时候,美国人完全意识到爱迪生发明的重要性?”B选项“听说怀念爱迪生方案的时候”是正确的。文中第三段说Perhaps this suggested plan…meant to them。A选项“听说爱迪生去世”;C选项“首先使用电能”;D选项“努力执行方案”。
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