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【单选题】
人员培训活动的起点是( )．A.
培训目标的确定
B.
培训计划的确定
C.
培训师资的选定
D.
培训需求的分析
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反馈参考答案：
举一反三
【简答题】大树一般是指胸径大于 cm的乔木。
【单选题】3 For an noninverting amplifier, which is right?
A.
The input impedance is 0，the output impedance is infinity.
B.
The input impedance is 0，the output impedance is 0.
C.
The input impedance is infinity，the output impedance is infinity.
D.
The input impedance is infinity，the output impedance is 0.
【单选题】If the operational amplifier is to operate in its linear range, () must exist between the inverting and the noninverting inputs.
A.
a very small current difference
B.
a very small voltage difference
C.
a very large voltage difference
D.
a very large current difference
【单选题】According to Figure 2, which of the following statements best describes the relative amplitudes of the first p-waves to arrive at the seismograph and the first s-waves to arrive at the seismograph? Th...
A.
smaller than the amplitude of the first s-waves to arrive at the seismograph.
B.
larger than the amplitude of the first s-waves to arrive at the seismograph.
C.
nonzero, and the same as the amplitude of the first s-waves to arrive at the seismograph.
D.
zero, as is the amplitude of the first s-waves to arrive at the seismograph.
【单选题】下面IF函数的格式正确的是()
A.
=IF(SUM(B5)<60,"补考","")
B.
=IF(SUM(B5)<60,补考,"")
C.
IF(SUM(B5)<60,补考,"")
D.
=IF(SUM(B5)<60，"补考"，"")
【简答题】if函数的格式( )。
【单选题】Using this scope to ______ your view can make it easier to see the distant targets.
A.
amplify
B.
extend
C.
magnify
D.
expand
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