下列的说法（）项是错误的。 ["动火施工人员应经过安全教育","动火施工人员应具备一定的资格等级","动火施工人员应持证上岗","动火施工人员每次动火前应考试合个格"]
How does DB2 protect the integrity of indexes when data is updated?（） ["Locks are acquired on the data.","Locks are acquired on index keys.","Locks are acquired on index pages.","Locks are acquired on index pointers."]
（）是指真正参加气体交换的气量，为呼吸深度（潮气量）与无效腔（指呼吸道）内气量之差。肺泡通气量安静时约占肺通气量的70%左右。 ["肺通气量","肺血流量","肺泡通气量","最大吸氧量"]
An administrator wants to test the performance of an application at different memory sizes. What is the most effective way to perform the test and collect statistical information for each test?（） ["Run DLPAR to change the LPAR memory for each test.","Run rmss command to simulate different memory for each test.","Run chdev command to limit the system memory size for each test.","Run chattr command to limit the system memory size for each test."]
在液压系统中蓄能器的作用及蓄能器有哪几中结构
教师专业标准要求教师具有良好的（）修养，为人（）。
