一台他励直流电动机拖动恒转矩负载，当电枢电压降低时，电枢电流和转速将（）。 电枢电流不变，转速减小。 电枢电流减小，转速不变。 电枢电流减小，转速减小。 电枢电流不变，转速不变。
关于消费税，下列说法不正确的是（）。 化妆品批发商构成消费税纳税人。 薯类白酒属复合计征的货物。 金银首饰在零售环节征消费税。 啤酒包装物押金不征消费税。
Which two statements are true regarding an Automatic Storage Management （ASM） instance？（） As ASM instance mounts an ASM control file。 An ASM instance uses the ASMB process for rebalancing of disks within a disk group。 Automatic Memory Management is enabled in an ASM instance even when the MEMORY_TARGET parameter is not set explicitly。 An RDBMS instance gets connected to an ASM instance using ASMB as a foreground process when the database instance is started。
A customer wants to implement the following Blades in BladeCenter H:Two POWER Blades running IBM i partitions.Two POWER Blades running AIX and LinuxFour x86 Blades running Windows. Which of the following design consideration statements is correct?（） The Blades must use the same CIOv and CFFh expansion adapter types.。 Two physical BladeCenter H chassis will be required. One for the POWER Blades, the other for the x86 Blades.。 The x86 Blades and POWER Blades may use different expansion adapters provided the POWER Blades are in bays 1-7 and the x86 Blades are in slots 8-14.。 The x86 Blades and POWER Blades may use different expansion adapters, provided the corresponding I/O modules to Blade midplane connections are configured in the Advanced Management Module (AMM).。
地价的特征包括（）。 地价是地租的资本化。 地价是权益价格。 土地具有增值性。 效益级差性。 地价与用途有关。
Which operator can be used with a multiple-row subquery? （）
