皮皮学，免费搜题
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【单选题】
硼酸常用于治疗小儿湿疹．如图是硼元素在元素周期表中的相关信息．下列关于硼元素的说法中不正确的是（ ）A.
元素符号为B
B.
是非金属元素
C.
原子核外有5个电子
D.
相对原子质量为10.81 g
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皮皮学刷刷变学霸
举一反三
【单选题】When hyperinflation forces Emily to visit her bank very frequently to keep her cash holdings to a minimum, economists say that Emily has a:
A.
shoe-leather cost.
B.
menu cost.
C.
unit-of-account cost.
D.
Fisher effect.
【单选题】Hyperinflation is most likely when it is fueled by
A.
ever-increasing levels of government spending.
B.
declines in the velocity of money.
C.
continuously rising money demand.
D.
continuous increases in the money supply inever-increasing volume.
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