依据皮亚杰理论,具有“自我中心化”心理特点的儿童心理发展阶段是()
A. 感知运动阶段
B. 前运算思维阶段
C. 具体运算思维阶段
D. 形式运算思维阶段
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An HACMP cluster has three nodes of unequal size. The largest node is Node ’A’. The primary application on Node ’A’ has two components. One component is memory intensive, the other is IO intensive. Nodes ’B’ and ’C’ are running web servers and databases that access information produced by applications on Node ’A’. The customer requires the most performance from the primary application and wants all nodes available for fallover processing. Which of the following is the best solution for meeting the customer requirements?()
A. Use nodes of equal size.
B. Create multiple resource groups and use loadlever.
C. Use dynamic node priority to manage resource groups.
D. Use an ordered list to manage resource group fallover.
口腔医师在某边远农村小学进行非创伤性修复治疗,该技术的适应证有()
A. 适用于恒牙和乳牙的小龋洞
B. 可用于龋洞及露髓情况
C. 可疑牙髓炎也可以用
D. 该治疗技术需要电动牙科设备
E. 仅有治疗而无预防效果