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【判断题】
电力系统二次调频可以实现无差调节。()A.
正确
B.
错误
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举一反三
【简答题】完成演奏莫扎特奏鸣曲330第一乐章
【简答题】电路如图所示。分析每个电容上的最大电压和电容的极性，电路的名称及输出电压。
【简答题】B Every man wants his son to be somewhat of a clone, not in features but in footsteps. As he grows you also age, and your ambitions become more unachievable. You begin to realize that your boy, in you...
【简答题】电路如图所示，变压器副边电压有效值为2U 2 。
【单选题】今天，农副产品家族中的成员正随着农产品精深加工业的快速发展，被赋予 了新的内涵，身价倍增。
A.
deep processing of farm products.
B.
intensive processing of agriculture products.
C.
enhanced processing of agriculture products.
D.
fine processing of farm products.
【单选题】Which of the following is not the symptom shared by people who live a vitual life?
A.
They begin to hate the outside forms of socializing(讨厌外面的社交方式）.
B.
They feel as if they've become one with the machines(融为一体）, and life seems to be unreal.
C.
They start to realize the importance of real human interation .
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