社会主义社会实行的纪律是
A．棍棒纪律 B．饥饿纪律C．强迫纪律 D．自觉纪律
参考答案：D
Which of the following is least likely to be considered an obstacle to the efficient allocation of an economy's resources（）
A. Rent controls.
B. Minimum wages.
C. Changes in consumer tastes.
一个突发由（）、（）和一个保护时隙组成。
