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医疗器械进货查验记录和销售记录应当保存至医疗器械有效期后（）年，无有效期的不得少于（）年，植入类医疗器械的记录（）。

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You work in a Organization which is named Wiikigo Corp. The Organization uses SQL Server 2008. You are the administrator of the Organization database. Now you are in charge of a SQL Server 2008 instance. Look at the following query: SELECT s., i. FROM SensitiveTbl AS s INNER JOIN InsensitiveTbl AS iON i. OrganizationName = s.OrganizationName You use the above query to join two tables on a column named OrganizationName. The following error is returned when you execute the query. "Msg 468, Level 16, State 9, Line 17 Cannot resolve the collation conflict between 'SQL_Latin1_General_CP1_CS_AS' and 'SQL_Latin1_General_CP1_CI_AS' in the equal to operation." The ON clause of the query has to be modified so that it can perform a case-sensitive joinsuccessfully. What should you do? （）

A. ON LOWER(i.OrganizationName) = LOWER(s.OrganizationName)
B. ON UPPER(i.OrganizationName) = UPPER(s.OrganizationName)
C. ON i.OrganizationName = s.OrganizationName COLLATE SQL_Latin1_General_CP1_CS_AS
D. ON i.OrganizationName = s.OrganizationName COLLATE SQL_Latin1_General_CP1_CI_AS&e

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下述零件不属于气门传动组的是（）。

A. 凸轮轴
B. 气门
C. 液力挺柱

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关于婴儿正常尿量的描述正确的是（）。

A. 年纪越小，按体表面积计算尿量越少
B. 尿量多少与周围气温高低无关
C. 人工喂养的排尿量多于母乳喂养
D. 母乳喂养的排尿量多于人工喂养

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能输出频率信号的空气流量传感器肯定是（）。

A. 叶片式
B. 热线式
C. 卡门旋涡式

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