大型软件测试包括（）、（）、确认测试和（）四个步骤。
参考答案：单元测试 ；集成测试 ； 系统测试
—Mary isn't your cousin,_ ?
—Yes , _ . [ ]
A. is she; she is
B. isn't she; she is
C. is she;she isn't
D. isn't she; she isn't
在外地可否享受高尔夫俱乐部订场服务？
