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【判断题】
当输入信号为零时,则输出功率也为零,电源供给电路的功率最小,这时单管功率放大器的功率最高。()A.
正确
B.
错误
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举一反三
【简答题】Anais Nin was a famous writer. Nin was born French-Cuban but lived in the United States in her later years of life till she died. Nin’s works had her relationships with authors, artists, and other fig...
【简答题】Anais Nin was a famous writer. Nin was born French-Cuban but lived in the United States in her later years of life till she died. Nin’s works had her relationships with authors，artists，and other figur...
【单选题】患者田某.女,36岁,因乳腺癌住院,准备手术治疗,常暗自流泪、沉思,焦虑万分,护理时哪项是最重要的工作:( )
A.
通知家属来院探望
B.
允许陪住,避免焦虑
C.
报告主管医生前来诊治
D.
鼓励病人倾诉,给予疏导和安慰
E.
给予镇静剂缓解症状
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