问答题 Choose one of these three topics and prepare a short (about one minute) talk about it. Candidate 1 A Staff management: the importance of training and development for staff retention B Customer Services: how to meet and exceed customers' expectations of service C Finance: how to identify potential areas for reductions in costs Candidate 2 A Public Relations: the importance to a company of having a clear ethical policy B Purchasing: the factors involved in selecting a supplier of goods or services C Recruitment: how to ensure the interviewing of job applicants is effective