单选题
发布日期:2021-03-17
右心室窦部存在病变
右心室漏斗部存在病变
肺动脉瓣存在病变
主肺动脉存在病变
肺动脉分叉部存在病变
标签: "暂无标签"
题王网让考试变得更简单
扫码关注题王,更多免费功能准备上线!
此试题出现在
An index called ORD_CUSTNAME_IX has been created on the CUSTNAME column in the ORDERS table using the following command: SQL>CREATE INDEX ord_custname_ix ON orders(custname); The ORDERS table is frequently queried using the CUSTNAME column in the WHERE clause. You want to check the impact on the performance of the queries if the index is not available. You do not want the index to be dropped or rebuilt to perform this test. Which is the most efficient method of performing this task?()
胎儿肺成熟度能帮助判断围生期胎儿是否能获得最佳生存条件。评价胎儿肺成熟度最有价值的指标是()
民用爆炸物品从业单位的那些情况可以从视频监控记录中检查确认。()
排气时折叠输液管根部的目的是( )
怎样维护我国的国家利益?
现实美
下列指标属于公司经济利润最正确和最准确的度量指标是( )。
什么是跟踪?
机组启动升速过程中,压气机()保持关闭状态。
股权投资基金监管的基本原则包括( )Ⅰ.依法监管原则Ⅱ.高效监管原则Ⅲ.适度监管原则Ⅳ.审慎监管原则Ⅴ.分类监管原则
暂无相关推荐~