【題目】—Who ________ the electric light bulb?

—Thomas Edison.

A. performed B. discovered

C. imagined D. invented

【答案】D

【解析】

句意:-誰發(fā)明了電燈泡?-托馬斯愛迪生。A.表演B.發(fā)現(xiàn)C.想象D.發(fā)明,從答句看出前句應該是在問是誰發(fā)明了燈泡”,discover 發(fā)現(xiàn)某種本來存在,而以前未被發(fā)現(xiàn)的事物或未為人所知的東西。invent 發(fā)明,即原來沒有而后來發(fā)明創(chuàng)造的東西。在愛迪生發(fā)明燈泡之前世界上是沒有燈泡的,所以使用invent更為合適,故選D。

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