A liquid Athat might be a poor conductor Bwhen pure is often Cused to make solutions that Dtransmits electricity.

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问题 A liquid Athat might be a poor conductor Bwhen pure is often Cused to make solutions that Dtransmits electricity.

选项 A、 
B、 
C、 
D、 

答案D

解析 transmits改为iransmit。transmit是句中的宾语solutions发出的动作,宾语是复数,因此动词应使用原形。
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