题目内容
（请给出正确答案）
A.is a good conductor
B.is a good insulator
C.are good conductors
D.are good insulators
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更多“Copper as well as most metals …”相关的问题
In a gold-based alloy，copper does which of the following()
A．prevents corrosion
B．increases malleability
C．increases hardness
D．A and B
Which of the following is TRUE concerning creep()
A．Typically results in bulk fracture of the restoration
B．Is comhlon in high copper alloys
C．Occurs more frequently within the eta phase
D．Correlates with marginal breakdown
A．equally
B．in the same way
C．just as well
D．not as well
A.with
B.on
C.in
A.Until
B.For
C.By
A.as well as go
B.as well as to go
C.as well go
D.as well to go
