Thomas Edison did things in this order ______. Of all the inventions, ______ was probably the most important for civilization.

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问题 Thomas Edison did things in this order ______.
Of all the inventions, ______ was probably the most important for civilization.

选项 A、the vote recorder
B、the stock ticker
C、the light bulb
D、the motion picture camera

答案C

解析 本题既是细节理解题又是常识题,首段有"Thomas Alva Edison lit up the world with his invention of the electric light","...it was not his only invention"表明Edison最令世人关注的发明就是电灯泡,也就是说这是他的发明当中最重要的一项。
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