5529 Copper as well as most metals ____________.A. is a good conductorB. is a good insulator6943

Copper as well as most metals ____________.A. is a good conductorB. is a good insulator

Copper as well as most metals ____________.

A. is a good conductor

B. is a good insulator

C. are good conductors

D. are good insulators

答案解析

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