使阻抗继电器动作的最大测量阻抗称为继电器的（）。 测量阻抗。 整定阻抗。 线路阻抗。
In your Oracle 10g database ， you have scheduled a job to update the optimizer statistics at 05：00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected？（） average row size。 last analyzed date。 size of table in bytes。 size of table in database blocks。 number of free blocks in the free list。 number of extents present in the table。
工作分析
采用非强制性许可制度进行认证的国家是（） 韩国。 日本。 德国。 新加坡。
The capacity of the IBM System Storage TS7650 ProtecTIER Deduplication Appliance can be upgraded in which of the following increments?（） 7 TB to 18 TB to 36 TB。 4 TB to 5.4 TB to 7.9 TB。 1 TB to 100 TB to 1000 TB。 any size up to and including 1000 TB。
男性，45岁。腰麻注药后，先感胸闷，继而心慌、烦躁、恶心、呕吐，血压下降，随后呼吸困难，首先考虑为（）
