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【单选题】
微型计算机系统采用总线结构连接CPU、存储器和外设,总线通常由()组成。A.
数据总结、地址总线和控制总线
B.
数据总线、信息总线和传输总线
C.
地址总线、运算总线和逻辑总线
D.
逻辑总线、传输总线和通信总线
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【简答题】Mark Twain was regarded as the father of Huck Finn's idyllic cruise through eternal boyhood and Tom Sawyer's endless summer of and adventure. A) metonymy B) metaphor C) personification D) hyp...
【简答题】Most Americans remember Mark Twain as the father of Huck Finn's idyllic cruise through eternal boyhood and Tom Sawyer's endless summer of and adventure. (3%)
【单选题】下列中（）不是同步发电机的并网条件。
A.
发电机电压的平均值等于电网电压平均值
B.
发电机电压相位与电网电压相位相同
C.
发电机频率与电网频率与电网频率相同
D.
发电机电压相序和电网电压相序一致
【单选题】下列( )不是同步发电机并网条件。
A.
发电机电压的平均值等于电网电压平均值
B.
发电机电压相位与电网电压相位相同
C.
发电机频率与电网频率相同
D.
发电机电压相序和电网电压相序一致
【简答题】Mark had been scolded before for touching his father’s equipment. But his curiosity was difficult to control and this new computer really puzzled him. It was a strange-looking machine — one his dad ha...
【简答题】Most Americans remember Mark Twain as the father of Huck Finn's idyllic cruise through eternal boyhood and Tom Sawyer's endless summer of and adventure.
【单选题】一台三相同步发电机与电网并联时，并网条件除发电机电压小于电网电压10%外，其他条件均已经满足，若在两电压同相时合闸并联，发电机将出现下列哪种现象______
A.
产生很大的冲击电流，使发电机不能并网
B.
产生不大的冲击电流，发出的此电流是电感性电流
C.
产生不大的冲击电流，发出的此电流是电容性电流
D.
产生不大的冲击电流，发出的电流是纯有功电流
【简答题】Most Americans remember Mark Twain as the father of Huck Finn's idyllic cruise through eternal boyhood and Tom sawyer's endless summer of and adventure.
相关题目：
【单选题】下列( )不是同步发电机并网条件。
A.
发电机电压的平均值等于电网电压平均值
B.
发电机电压相位与电网电压相位相同
C.
发电机频率与电网频率相同
D.
发电机电压相序和电网电压相序一致
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