魏晋时期的玄学乃是融合各家思想而成，这些思想包括（）。 正确。 错误。
因为蜗杆实际上是一个螺杆，所以蜗杆传动平稳，而且无噪音。 正确。 错误。
In your production database， data manipulation language （DML） operations are executed on theSALES table. You have noticed some dubious values in the SALES table during the last few days. Youare able to track users， actions taken， and the time of the action for this particular period but the changesin data are not tracked. You decide to keep track of both the old data and new data in the table along withthe user information. What action would you take to achieve this task（） 正确。 错误。
What are the three steps you should take to tune a JDBC Connection pool in WebLogic from the initial settings in a production environment?（） 正确。 错误。
直流电源线、交流电源线、信号线必须分开布放。应避免在同一线束内。电缆走线应将直流线、交流线与信号线分开布放，至少在（）mm以上 正确。 错误。
为了能够联接交叉的两根轴，万向联轴器必须成对的使用。
