公文处理的定义和原则是什么？
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男，42岁，腹痛1个月，上消化道钡剂提示胃溃疡。
本例最可能的病因是（）
A.药物
B.饮酒
C.幽门螺杆菌感染
D.自身免疫
E.应激状态
指数型基金当日买入的股票未按指数要求的收盘价成交，由此产生的跟踪误差属于( )。
A．仓位型跟踪误差
B．结构型跟踪误差
C．交易型跟踪误差
D．费用型跟踪误差
“十三五”文化建设的重点任务包括（）。
A.加快经济发展
B.加快文化体制机制改革创新
C.增强文化整体实力与竞争力
D.加强社会主义核心价值体系
Advertisement:
For sinus pain, three out of four hospitals give their patients Novex. So when you want the most effective painkiller for sinus pain, Novex is the one to choose.
Which of the following, if true, most seriously undermines the advertisement’s argument
A．Some competing brands of painkillers are intended to reduce other kinds of pain in addition to sinus pain.
B．Many hospitals that do not usually use Novex will do so for those patients who cannot tolerate the drug the hospitals usually use.
C．Many drug manufacturers increase sales of their products to hospitals by selling these products to the hospitals at the lowest price the manufacturers can afford.
D．Unlike some competing brands of painkillers, Novex is available from pharmacies without a doctor’s prescription.
E．(E) In clinical trials Novex has been found more effective than competing brands of painkillers that have been on the market longer than Novex.
项目建设准备阶段的生产准备工作包括（）。
A.生产人员准备
B.参与工程设计管理
C.生产管理准备
D.参与招标文件的编制和审定
E.参与合同谈判