皮皮学，免费搜题
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【单选题】
下列变形属于受力变形的是（ ）A.
化学减缩
B.
湿胀
C.
D.
干缩
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Refer to Exhibit 5-3. Which of the following price controls would cause a shortage of 20 units of the good?
A.
a price floor set at $15
B.
a price ceiling set at $15
C.
a price floor set at $35
D.
a price ceiling set at $35
【简答题】什么是体育心理学?体育心理学研究的任务和学习目的是什么?
【单选题】Refer to Exhibit 13-5. If the government is able to regulate the monopolist using marginal-cost pricing, what price and output combinations are expected to result?
A.
P5 and Q2
B.
P2 and Q2
C.
P4 and Q3
D.
P6 and Q4
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