Consider the following scenario： You have a directory， data， under the disk group tdgroup A. You want to create an alias for one of the data files and you execute the following command： ALTER DISKGROUP tdgroupA ADD ALIAS ’+tdgroupA/data/datafile.dbf’ FOR ’+tdgroupA. 231.45678’； Which task would be accomplished by the command？（） ["A","B","C","D","E"]
张某，男性，21岁，左小腿被钝性暴力打击，形成闭合性损伤，其局部处理下列哪项是错误的（） ["局部制动","抬高患肢","血肿加压包扎","早期局部热敷","血肿若进行性增大，需切开止血"]
（）、重病患者遭受家庭暴力的，应当给予特殊保护。 ["未成年人","老年人","残疾人","孕期和哺乳期的妇女"]
“国文”的基本性质是什么？在语文教育发展史上有什么意义？
Case 1： 1. Shut down the database and perform a backup. 2. Restore all the data files. 3. Mount the database. 4. Recover the database. 5. Without applying all the redo log files， open the database using the RESETLOGS option. 6. Back up the database. Case 2： 1. Shut down the database and perform a backup. 2. Restore only the data files of the tablespace where user error damaged the data. 3. Mount the database. 4. Recover the database. 5. Open the database with the RESETLOGS option. 6. Back up the database. Case 3： 1. Shut down the database. 2. Restore the data files. 3. Open the database. 4. Perform recovery to the current point in time. Which case has the correct steps for an incomplete recovery？（） [" Only case 1"," Only case 2"," Only case 3"," Case 1 and 2"," Case 2 and 3"," Case 1 and 3"," All cases， case 1， case 2， case 3"]
对照情况，试分析选用哪种类型的滚动轴承较为合理。
（1）主要承受径向力，而轴向力较小时；
（2）既承受径向力，又承受较大的轴向力；
（3）承受轴向力很大，而径向力也很大时。
