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 A项bring意为“带来”,具有方向性;B项make意为“制造”;C项carry表示“传送,传播”;D项produce表示“产生”。C项为正确答案。
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