男性，51岁。拟在指神经阻滞下行左手食指脓性指头炎切开引流术。护理措施中错误的是（） 常规麻醉前用药。 局麻药限量使用。 防止局麻药注入血管。 局麻药中加入适量肾上腺素。 局麻药浓度不能过高。
A customer is installing an HMC-managed Power 720 with two partitions, one for Production the other for Testing. They plan to use the Testing partition only occasionally and want to minimize hardware. Which of the following meets these requirements?（） Create a system profile for each partition. Assign all needed resources as 'required'.。 Define all system resources as 'desired' on the Testing partition. Activate only as needed.。 Create two shared processor pools. Assign the minimal I/O resources required for each partition to the shared pools.。 Create both partitions with minimal 'required' resources, and optional resources as 'desired'. Activate each partition as necessary.。
下列不属于支付命令错误的是（） 支付命令认证错误。 支付命令的表述错误。 支付命令的错误执行。 错误的支付命令。
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What is true about updates through a view? （） You cannot update a view with group functions.。 When you update a view group functions are automatically computed.。 When you update a view only the constraints on the underlying table will be in effect.。 When you update a view the constraints on the views always override the constraints on the underlying tables.。
距离保护第一段的保护范围是（）。
