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【单选题】
下列指标中属于性能指标的是( )。A.
幅值裕量
B.
最大超调量
C.
静态误差系数
D.
相对谐振峰值
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举一反三
【单选题】______ me most was that the young boy who had lost both arms in an accident could handle a pen with his feet.
A.
That amazed
B.
It amazed
C.
Which amazed
D.
What amazed
【单选题】以下关于以太网交换机的说法那些是正确的是
A.
使用以太网交换机可以隔离冲突域
B.
以太网交换机是一种工作在网络层的设备
C.
以太网交换机可以隔离广播域
D.
以太网交换机可以限制广播风暴
【单选题】surprised me most was that they had finished the talk so quickly.
A.
Which
B.
Why
C.
That
D.
What
【单选题】_____ surprised me most was that he made the same mistake again.
A.
It
B.
That
C.
What
D.
Which
【简答题】GSP共分4章,分别是( )、( )、( )、( )
【单选题】______ touched me most was that the poor old lady donated all her savings to support one dropout.
A.
That
B.
It
C.
Which
D.
What
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