Edison tested more than one thousand materials to see if they could______electric current and glow.

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问题 Edison tested more than one thousand materials to see if they could______electric current and glow.

选项 A、bring
B、make
C、carry
D、produce

答案C

解析 这四个动词中,A项的bring意为"带来",具有方向性;B项的make意为"制造";C项的carry表示"传送,传播";D项的produce表示"产生"。比较词义,C项符合句子含义,为正确答案。译文:爱迪生测试了一千多种材料看它们能否导电发光。
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