皮皮学，免费搜题
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【单选题】
下列哪个不是影响肌力的因素?A.
肌肉初长度
B.
肌肉的募集率
C.
肌肉收缩的形式
D.
智力因素
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皮皮学刷刷变学霸
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【简答题】什么是放大电路的通频带?哪些因素影响通频带?如何确定放大电路的通频带?
【单选题】A price floor
A.
always determines the price at which a good must be sold.
B.
sets a legal (法律的) maximum on the price at which a good can be sold.
C.
is not a binding (有约束力的) constraint (约束) if it is set above the equilibrium (均衡) price.
D.
sets a legal minimum (最小值) on the price at which a good can be sold.
【单选题】A price floor
A.
sets a legal maximum on the price at which a good can be sold
B.
sets a legal minimum on the price at which a good can be sold
C.
always determines the price at which a good must be sold
D.
is not a binding constraint if it is set above the equilibrium price
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