老年病人恐惧某些检查和治疗措施,担心治疗费用过高,进行健康评估时会出现下述哪种表现()
A. 反应迟钝
B. 表述不清
C. 症状隐瞒
D. 记忆不确切
E. 答非所问
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根据《通信电源设备安装工程验收规范》(YD5079-2005),阀控式铅酸蓄电池的浮充电压范围是()
A. 2.30~2.35
B. 2.23~2.35
C. 2.16~2.20
D. 2.23~2.28
现代农业阶段生产工具以生物工程技术的利用、()为主要特征,农业生产技术将以()为特征。
在输电线路一次图编辑器中,图元取直的快捷键是()
A. Ctrl+1
B. Ctrl+2
Ctrl+Q
The energy consumed by an AC motor, as strictly reactive power, is ()
A. used to do mechanical work
B. used to establish the magnetic field of the motor
C. lost as heat generated by the windings
D. lost in doing work to turn the motor itself