题目内容

频率下降会导致发电厂的给水泵、鼓风机、磨煤机等功率下降,造成水压、风力不足,从而导致发电厂有功输出下降,系统频率进一步下降,严重情况下可能导致频率崩溃。( )

A. 对
B. 错

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只要发电机的调节容量足够大,电力系统的一次调频可以实现无差调频

A. 对
B. 错

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在水火并存的系统中,枯水季节,往往选择水电厂为主调频厂,丰水季节,为了保证充分利用水力资源,往往选择装有中温中压机组的火电厂作为主调频厂

A. 对
B. 错

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… I’ve been plugged in 24-7, living in a world where the line between digital and real gets a bit blurred at times. (Para. 5)

A. … I’ve been getting online round-the-clock, living in a world in which the difference between virtual and real sometimes becomes unclear.
B. … I’ve been staying online for 24 hours, and it seems that the difference between virtual and real world becomes unclear.

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I found myself reflecting on how living and breathing tech has let me experience some of the most rewarding moments of my life … (Para. 8)

A. I found myself thinking that tech is living and breathing and has offered me some of the most rewarding moments of my life …
B. I was thinking about how immersing myself in tech has offered me some of the most rewarding moments of my life …

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频率下降会导致发电厂的给水泵、鼓风机、磨煤机等功率下降,造成水压、风力不足,从而导致发电厂有功输出下降,系统频率进一步下降,严重情况下可能导致频率崩溃。( )

A. 对 B. 错

只要发电机的调节容量足够大,电力系统的一次调频可以实现无差调频

在水火并存的系统中,枯水季节,往往选择水电厂为主调频厂,丰水季节,为了保证充分利用水力资源,往往选择装有中温中压机组的火电厂作为主调频厂

… I’ve been plugged in 24-7, living in a world where the line between digital and real gets a bit blurred at times. (Para. 5)

I found myself reflecting on how living and breathing tech has let me experience some of the most rewarding moments of my life … (Para. 8)

A. 对
B. 错