如图所示二端网络的电压电流关系为（   ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69472' and id < 4500023 and id<>'4500023' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69472' and id > 4500023 and id<>'4500023' order by id asc limit 5