听力原文：W: Cambridge Business English Certificate is very popular nowadays, but I don't know much about it. Could I ask you some questions? M: My pleasure. W: What is Cambridge Business English Certificate? M: It is a new Business English examination. There are three certificates at three different levels. Each examination tests Reading, Writing, Listening and Speaking skills (19) . W: When can we take the Cambridge English Certificate exams? M: All three exams start in February and are available six times a year, that is about every 9 weeks. W: Then where can we take the exams? M: At any examination center approved by the University of Cambridge Local Examinations Syndicate (剑桥大学考试委员会) W: OK. Now how much business knowledge do we need for the exam? M: Well, the exam tests knowledge of general business English (20) . Special knowledge of particular jobs and industries is not required. The examination is also suitable for people with no working experience W: How is our English tested? M: The examination has three parts. The first part is the Reading and Writing Test which lasts 70 minutes. Paper Two is a Listening Test which lasts 40 minutes. Finally there is a 10-minute interview with another examinee and two examiners which tests your spoken English. W: What mark do we need to pass the examination? M: Exact pass marks vary from exam to exam and year to year. However, anyone with a mark over 70% will pass (21) . W: That's all. Thanks a lot for your help. (23)