题目内容
（请给出正确答案）
Creep ofa metal indicates that the metal()
A．1acks edge strength
B．has excessive flexibility
C．has insufficient retention
D．will deform. under static load
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Resiliencois()
A．also known as"springbackpotential"
B．desirable in a restorative material
C．represented graphically as the area under the linear part ofa stress-strain diagram
D．an of the above
A作为一种金属，水银不是固体。
B由于是金属，水银不是固体。
C汞虽是金属，但不是固体。
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B．all kinds of music
C．your favorite heavy metal music
D．classic music
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A．combining it with citric acid
B．adding a grain refmer
C．cooling the molten metal slowly
D．copper，osmium，and iridium
