20世纪60年代初期，西藏地区胜利完成民主改革，废除了封建农奴制度，进入社会主义阶段。[ ]
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The monetary policy rule that would most likely result in the greatest increase in the price level after a productivity shock is a:（）
A. fixed rule policy that focuses on file price level.
B. fixed-rule policy that focuses on GDP growth.
C. feedback-rule policy that focuses on GDP growth.
每个航班最多能载运（）名无人陪伴儿童。
A、4
B、3
C、2
D、1
