根据《福建省水库大坝安全管理规定》第七条规定中的落实应急预案制度，是指水库大坝管理单位应制定（）和防御超标准洪水等应急预案，经同级水库大坝主管部门审查，并报有管辖权的防汛指挥部审批后执行。
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An administrator mistakenly shutdown production after a fallover because the service IP address Was shifted from the normal production node to the standby node. What can be done to avoid this type of mistake in the future？（）
A. Include the service IP address in the administrator’s PS1 prompt
B. Alias the service IP address to the hostname in the /etc/host file
C. Define a persistent IP address with HACMP and make it a practice to use the persistent address for administration work
D. Add a DNS entry to map the standby node name to the service IP address so telnet connections will be to the correct node
急性闭角型青光眼表现为（）
A. 眼压高，角膜后有羊脂状KP
B. 眼压高，角膜后为灰白色点状KP
C. 眼压高，角膜后为色素性KP
D. 眼压高，角膜透明
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