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【多选题】
负反馈放大电路中，若反馈信号取样于输出电压，则引入的是 反馈，若反馈信号取样于输出电流，则引入的是 反馈；若反馈信号与输入信号以电压方式进行比较，则引入的是 反馈，若反馈信号与输入信号以电流方式进行比较，则引入的是 反馈。A.
电压
B.
电流
C.
串联
D.
并联
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反馈参考答案：
举一反三
【判断题】If, for an imaginary closed economy, investment amounts to $12,000 and the government is running a $2,000 deficit, then private saving must amount to $10,000.
A.
正确
B.
错误
【单选题】按照马斯洛的人类基本需要层次论原则排列护理计划的优先次序,正确的是
A.
尊重、活动、营养、感官刺激、亲友探视
B.
活动肢体、避免伤害、亲友探视、娱乐活动
C.
感官刺激、补液、尊重、亲友探视
D.
尊重、营养、活动肢体、避免伤害
E.
吸氧、补液、营养、亲友探亲、尊重
【单选题】For an imaginary economy, the consumer price index was 115.00 in 2004, 126.50 in 2005, and 136.62 in 2006. Which of the following statements is correct?
A.
For this economy, the base year must be 2004.
B.
If the basket of goods that is used to calculate the CPI cost $75.00 in the base year, then that basket cost $115.00 in 2004.
C.
This economy’s rate of inflation for 2006 is 10.12 percent.
D.
None of the above is correct
【单选题】For an imaginary economy, the consumer price index was 115.00 in 2014, 126.50 in 2015, and 136.62 in 2016. Which of the following statements is correct?
A.
For this economy, the base year must be 2014.
B.
If the basket of goods that is used to calculate the CPI cost $75.00 in the base year, then that basket of goods cost $115.00 in 2014
C.
This economy’s rate of inflation for 2016 is 10.12 percent
D.
None of the above is correct
【简答题】下列项目中不属于非流动负债的有( )。 A长期借款 B应付票据 C融资租入固定资产应付款 D应付债券
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