E-R图中用来表示实体的图形是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28852' and id < 2351269 and id<>'2351269' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28852' and id > 2351269 and id<>'2351269' order by id asc limit 5