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(华北电力大学2006年考研试题)在如图9-83所示的正弦稳态电路中，已知U=100V，R2=6．5Ω，R=20Ω。当调节触点C，使Rac=4Ω，电压表读数为最小，其值为30V，求阻抗Z。
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【简答题】（）是通用串行总线的英文缩写，它是日常使用最多的一种中、高速串行接口。
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【简答题】__是通用串行总线的缩写,它是一种中、高速的最多可以连接127个设备的串行接口。
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【单选题】I prefer _______ at home ________ the match.
A.
to stay; to watch
B.
staying; to watching
C.
staying; rather than watch
D.
stay; rather than watch
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【单选题】I prefer _____ at home to _____ outside.
A.
staying; playing
B.
to stay; play
C.
staying; play
D.
to stay; playing
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【单选题】The little boy is afraid of in the house..
A.
stay alone, lonely
B.
staying lonely, alone
C.
staying alone, lonely
D.
to stay lonely, lonely
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【简答题】A. stay B. staying C. stayed D. staying
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【单选题】in this hotel pretty comfortable. [     ]
A.
Staying; is
B.
Stay; are
C.
Staying; are
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【单选题】I prefer________ at home to ______outside.
A.
staying, play
B.
to stay, play
C.
staying, playing
D.
to stay, playing
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【单选题】Does Kate have ___ at home? [     ]
A.
stay
B.
staying
C.
to staying
D.
to stay
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【简答题】这是一个大型的贵宾团,一切都要安排妥当,不能出差错。
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相关题目：
【简答题】（）是通用串行总线的英文缩写，它是日常使用最多的一种中、高速串行接口。
查看完整题目与答案
【简答题】__是通用串行总线的缩写,它是一种中、高速的最多可以连接127个设备的串行接口。
查看完整题目与答案
【单选题】I prefer _______ at home ________ the match.
A.
to stay; to watch
B.
staying; to watching
C.
staying; rather than watch
D.
stay; rather than watch
查看完整题目与答案
【单选题】I prefer _____ at home to _____ outside.
A.
staying; playing
B.
to stay; play
C.
staying; play
D.
to stay; playing
查看完整题目与答案
【单选题】The little boy is afraid of in the house..
A.
stay alone, lonely
B.
staying lonely, alone
C.
staying alone, lonely
D.
to stay lonely, lonely
查看完整题目与答案
【简答题】A. stay B. staying C. stayed D. staying
查看完整题目与答案
【单选题】in this hotel pretty comfortable. [     ]
A.
Staying; is
B.
Stay; are
C.
Staying; are
查看完整题目与答案
【单选题】I prefer________ at home to ______outside.
A.
staying, play
B.
to stay, play
C.
staying, playing
D.
to stay, playing
查看完整题目与答案
【单选题】Does Kate have ___ at home? [     ]
A.
stay
B.
staying
C.
to staying
D.
to stay
查看完整题目与答案
【简答题】这是一个大型的贵宾团,一切都要安排妥当,不能出差错。
查看完整题目与答案
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