行为人在实施不纯正不作为犯罪时，其罪过（） ["只能是故意","只能是过失","既可以是故意，也可以是过失","只能是间接故意"]
A common approach to solve application performance issues is to add more hardware. Which two reasons describe why this alone does not always solve performance problems?（） ["There may be a bottleneck in the application that additional hardware would not solve.","Adding more hardware is costly and time consuming.","Adding hardware at the application layer may place additional load on an already overloaded database, network appliance, or storage system.","Adding more hardware may introduce new configuration requirements that need to be tested."]
两半联轴节调整时，一般先调轴向间隙还是先调径向位置？
While setting up the database for your production environment， you want to create a user with following requirements. 1.The objects created by the user must be stored in a tablespace， TBS1， if the TABLESPACE option is not defined during the object creation. 2.The user should be able to use 10MB of space in the tablespace TBS1. 3.The user must change the password immediately after logging in for the first time. Which three options of the CREATE USER command would you use to achieve this objective？（） ["profile","account lock","account unlock","password expire","quota 10MB on TBS1","password never expire","default tablespace TBS1","quota unlimited on TBS1","temporary tablespace TEMP","temporary tablespace SYSTEM"]
工伤职工的住院伙食补助费不属于工伤保险基金支出范围。
语文教育学的研究对象和研究方法是什么？
