追踪决策不同于一般的决策修正，追踪决策是对决策目标或决策方案进行根本性的修正，是对原有决策的扬弃。（）
参考答案：对
Great changes _____ in the village in the past few years. [ ]
A. took place
B. take place
C. will take place
D. have taken place
肝细胞性黄疸的特点是
A．皮肤黄绿色B．有血红蛋白尿C．尿胆原减少D．皮肤瘙痒显著E．血中结合和非结合胆红素均增高
