Thomas Alva Edison didn’t “invent” the light bulb, but rather he ______ a 50 –year –old idea, which is not well –known. A．improved uponB．take downC．put upD．br-高中英语-n多题

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Thomas Alva Edison didn’t “invent” the light bulb, but rather he ______ a 50 –year –old idea, which is not well –known.

A．improved upon

B．take down

C．put up

D．break away

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◎ 解析

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◎ 知识点

根据n多题专家分析，试题“ Thomas Alva Edison didn’t “invent” the light bulb, but rather he ______ a 50 –year –old idea, which is not well –known. A．improved uponB．take downC．put upD．br…”主要考查了你对【动词短语】，【动词】等知识点的理解和应用能力。关于这些知识点的“档案”，你可以点击相应的链接进行查看和学习。

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