【简答题】西门子 S7-200 PLC 的 CPU224 有 (________) 个输入点, (________) 个输出点。
【简答题】Please summarize six key elements in organizational design.
【简答题】Please summarize the key knowledge points which you learned this time.
【简答题】Please summarize seven key principles of the New Public Service.
【多选题】火灾对人体特征的危害主要表现在( ),任何一种危害可能导致人的死亡。