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【简答题】
请自查“交际能力”这个概念的定义,并判断以下描述指向其中的哪种能力 3.Knowing how to produce and understand different types of texts.( )
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举一反三
【简答题】已知单位负反馈系统,开环传递函数为(2s+2)/(s^2+2s+1) (1)利用MATLAB对该闭环系统建立传递函数模型; (2)将第一问中求得的传递函数模型转化为零极点增益模型和状态空间表达式。 要求:上传程序代码及运行结果。
【多选题】机械设备修理的类别按修理内容、技术要求和工作量大小可分为几类。
A.
大修
B.
小修
C.
定期精度调整
D.
项修
【简答题】How and why Jack came to China______ (be) not known.
【单选题】听力原文:W: Jack, would you mind driving me to the station? M: Sure, why not! Q: How does Jack respond to the question? (7)
A.
He refused to drive her.
B.
He is glad to drive her.
C.
He forgot his driver's license.
D.
He has a new car.
【单选题】听力原文:W: Jack, would you mind driving me to the station? M: Sure, why not? Q: How does Jack respond to the question? (5)
A.
He refused to drive her.
B.
He has a new car.
C.
He forgot his driver's license.
D.
He is glad to drive her.
【单选题】Jack was soon told ________ he did was not necessary.
A.
why
B.
that
C.
how
D.
why what
【简答题】机械设备修理分为几类。
【单选题】听力原文:W: Jack, would you mind driving me to the station? M: Sure, why not! Q: How does Jack respond to the question? (12)
A.
He refused to drive her.
B.
He is glad to drive her.
C.
He forgot his driver's license.
D.
He has a new car.
【判断题】零极点表达式的系数为开环增益。
A.
正确
B.
错误
【多选题】机械设备修理类别按修理内容、技术要求和工作量大小分为( ) 等几类。
A.
大修
B.
小修
C.
项修
D.
定期精度调整
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