We all know that America was by Columbus while the electric lamp was by Edison.A. invented,discovered B. discovered,inventedC. found,invented D. found,discovered B [解析] 句意:我们都知道美洲大陆是哥伦布发现的.而电灯是爱� 题目和参考答案——青夏教育精英家教网—

We all know that America was _____by Columbus while the electric lamp was ________ by Edison.

A. invented；discovered B. discovered；invented

C. found；invented D. found；discovered

B 【解析】句意：我们都知道美洲大陆是哥伦布发现的，而电灯是爱迪生发明的。discover 是发现本来就存在的事物；invent是发明创造出一个原本没有的新事物。find的基本意思是“发现，找到”，是指找到了所寻找的东西，知道了其下落，强调寻找的结果。结合句意可知，美洲大陆本来是存在的，而电灯是不存在的。故选B。

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