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【单选题】
电感元件在正弦电路中消耗的平均功率为( )。A.
P=UI
B.
P=0
C.
P=ui
D.
P=
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举一反三
【单选题】境内旅游,旅行社在出发前2日通知旅游者中止旅游的,应向旅游者全额退还预付旅游费用,并支付旅游费用总额()的违约金。
A.
10%
B.
15%
C.
20%
D.
25%
【简答题】A．Being initiative. B．Being able to lead a team. C．Being dynamic. D．Being able to prettily use power.
【单选题】She apologized for _____ the party.
A.
not her being able to attend
B.
her not being able to attend
C.
her being able not to attend
D.
her being notable to attend
【单选题】境内旅游,因旅行社原因未成行,在出发前2日通知旅游者,应向旅游者全额退还预付旅游费用,并支付旅游费用总额( )的违约金。
A.
10%
B.
15%
C.
20%
D.
25%
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