对国家建设和人民生活所必需的，且国内不能生产或供应不足的动植物良种、肥料、饲料、药剂等，予以免税或低税。( )
参考答案：错
梅毒气阴两虚证宜用：（）
A.龙胆泻肝汤加土茯苓、丹皮、赤芍
B.二陈汤合消瘰丸加土茯苓、桃仁、红花、夏枯草
C.芎归二术汤
D.十全大补汤
E.生脉散合大补阴丸加土茯苓、地骨皮、菊花、银柴胡
According to the modem view of the Phillips curve, the actual inflation is 6% , while the expected inflation 5% , the most likely initial effect is that:（）
A. the natural rate of unemployment will fall.
B. the natural rate of unemployment will rise.
C. unemployment will fall below its natural rate.
