80％的传染性单核细胞增多症的患者有______、______及______三联症。
参考答案：发热‖咽喉痛‖颈后淋巴结肿大
Everyone agrees that the Philippine police ____ for the tragedy that Hong Kong tourists were killed．
A．are to blame
B．are to be blamed
C．are being blamed
D．have blamed
决策子系统的两个最基本的特征是（）
A、高效性
B、客观性
C、全面性
D、权威性
E、主导性
