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【判断题】
ERP系统是主要实现对企业人力资源进行管理的信息系统。()
A.
正确
B.
错误
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参考答案:
举一反三
【简答题】In the circuit below, let【图片】 have a peak value of 10 V and R = 1 kΩ. The peak value of【图片】is mA【图片】
【简答题】In the circuit below, the diode is ______ biased. When applying ideal mode for the diode, Uo1=______ V . When applying constant forward voltage mode, Uo1=________V.
【简答题】In the circuit below, let【图片】 have a peak value of 10 V and R = 1 kΩ. The peak value of【图片】is mA【图片】
【单选题】螺纹量规包括螺纹塞规和
A.
螺纹环规
B.
螺纹通规
C.
螺纹止规
D.
螺纹千分尺
【单选题】与铅蓄电池相比
A.
单体镍镉蓄电池的电动势较高
B.
在充放电过程中,镍镉蓄电池的电解液密度不变
C.
镍镉蓄电池允许过量充电
D.
镍镉蓄电池不需要专用的充电器
【单选题】玄武岩是属于( )
A.
火山碎屑岩
B.
浅成岩
C.
深成岩
D.
喷出岩
【简答题】6 After 8 minutes in a batch reactor, react(C A0 =1mol/liter) is 80% converted; after 18 minutes, conversion is 90%. Find a rate equation to represent this reaction.
【单选题】During UMS rounds, a duty engineer notices that the fuel oil overflow observation glass is full of oil. Should he ____.
A.
Stop all F.O. transfers immediately, and inform the chief engineer.
B.
Make a sounding of the F.O. overflow tank and decide if there is enough capacity to leave it until the following morning.
C.
Call a motorman and have him sound the F.O. overflow tank periodically during the night.
D.
start the F.O. purifier
【判断题】氨气 GB13690-1992《常用危险化学品的分类及标志》属 2、3 类有毒气体。()
A.
正确
B.
错误
【判断题】螺纹量规包括螺纹环规和螺纹塞规两种。
A.
正确
B.
错误
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