You are a professional level SQL Server 2005 database administrator in an international corporation named Wiikigo. You are experienced in implementing high-availability solutions， monitoring the database server， and design deployment. In the company， you major job is the deployment， maintenance and support of Microsoft SQL Server 2005. You work as a database administrator for your company. You utilize the SP：Recompile event class to run SQL Server Profiler. You find that a great amount of recompiles occurring. The possible causes of the large number of recompiles should be identified. From the flowing four options， which one is the most possible cause of the problem？（） The sp_executesql batches are not being recovered from the procedure cache.。 A database administrator executed UPDATE STATISTICS statements on all tables， and the most common stored procedures reference all the tables.。 One new stored procedure is created by a database administrator.。 Ad hoc batches are not being recovered from the procedure cache.。
体育教学中采用的练习方法有（）、（）、（）、（）、（）、（）、（）等。
男性，38岁。因车祸发生脾破裂，除立即手术外需输人大量血液。若输人大量库存血有可能发生（） 低血钾，酸中毒。 低血钾，碱中毒。 高血钠，酸中毒。 高血钾，碱中毒。 高血钾，酸中毒。
一个人总是反复检查是否锁了门或不停的洗手，这属于下面哪一种心理障碍（） 恐怖症。 一般性焦虑障碍。 抑郁症。 强迫症。
大理石的弯曲强度为（）MPa。 6。 7。 8。 9。
小企业分析创业机会的第一步是（）。
