销售部常用的培训技巧包括（）
A.模拟销售拜访
B.双人拜访
C.案例练习
D.老员工陪同新员工拜访客户
参考答案：A, B, C, D
—I regret ________ you that your application has not been successful.
—Not successful? I performed pretty well in my interview!
A．informing
B．to inform
C．having informed
D．to have informed
与普通话“一二三四”四个音相比，粤语的音调更为丰富，共有（）音。
A、七个
B、八个
C、九个
D、十个
