执行组织的项目经理在投标人会议期间应开展下列哪项活动？

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27021' and id < 2240986 and id<>'2240986' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27021' and id > 2240986 and id<>'2240986' order by id asc limit 5