【題目】Marie Curie ________ radium, but Edison ________ the light bulb.

A.created; discoveredB.discovered; invented

C.invented; discoveredD.invented; created

【答案】B

【解析】

句意：居里夫人發(fā)現(xiàn)了鐳，但是愛迪生發(fā)明了電燈泡。

考查動詞詞義辨析。create創(chuàng)造；discover探索、發(fā)現(xiàn)；invent發(fā)明。根據(jù)句意和常識，第一空后鐳是本身就存在的，居里夫人是“探索發(fā)現(xiàn)”了鐳元素，應(yīng)該用discover；第二空后的電燈泡是原本不存在的，是由愛迪生“發(fā)明”的，應(yīng)該用invent，故選B。

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