水电站计算机监控系统的“核心数据库”指的是历史数据库（）
参考答案：错
______ this village was extremely poor, they felt it was still important to keep the school going.
A．So long as
B．Though
C．Even as
D．As if
急性心肌梗死5小时，以下治疗方案中最适宜的是（）
A.哌替啶
B.静滴硝酸甘油
C.射频消融治疗
D.溶栓治疗
E.糖皮质激素+扩血管药物静滴
