电动机带动工作台平行匀速运动时，负载的机械特性是哪一种？（） ["反抗型恒转矩","离心式通风机型机械特性","恒功率型","直线型机械特性"]
Which two code fragments are most likely to cause a StackOverflowError？（） ["A","B","C","D","E","F"]
可使无效（可撤销）婚姻的原因包括哪些？
Which two statements are true about interoperating with Oracle AQ JMS with Oracle WebLogic server ？（） [" If you select a non-XA JDBC driver， you can use WebLogic AQ JMS in both local & global transactions"," Oracle WebLogic Server requires a JDBC driver to communicate with the Oracle AQ JMS"," Oracle WebLogic AQ JMS stand-alone client automatically participate in global transactions managed by Oracle WebLogic Server"," If you select an XA JDBC driver， you can use WebLogic AQ JMS in both local and global transactio"]
在游戏和发展的关系上，认为游戏领先于发展，游戏创造了儿童的最近发展区的人是（） ["皮亚杰","维果茨基","霍尔","蒙台梭利"]
城市公交车辆运行定额有哪些？如何确定这些定额？
