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提问人:网友elaoto
发布时间:2022-01-06
[主观题]
piano is a popular_____ .A.machineB.instrumentC.equipmentD.tool
piano is a popular_____ .
A.machine
B.instrument
C.equipment
D.tool
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查看官方参考答案
piano is a popular_____ .
A.machine
B.instrument
C.equipment
D.tool
A、if anything
B、if something
C、when anything
D、when something
A、the marginal rate of substitution.
B、transitivity.
C、indifference curves bowing inward.
D、They do not violate any properties of indifference curves.
A.disgusting
B.disgusted
C.disgustul
D.disgust
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