试卷相关题目
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69506' and id < 4502727 and id<>'4502727' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69506' and id > 4502727 and id<>'4502727' order by id asc limit 5
,若A、B端接一个1
的电阻,则流过电阻的电流为1A。( ) 
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