【答案解析】[听力原文]
Ladies and gentlemen, may I please have your attention for a moment? There has been a slight change to today's agenda. Due to some unforeseen circumstances, our motivational speaker will be presenting at 5 p.m. instead of 2 o'clock as originally scheduled. We apologize for the postponement of this popular presentation. There aren't any more changes to the rest of the schedule. A buffet lunch will be available in the third floor banquet hall at 12:00 p.m. as planned. After lunch, Joseph Hayes will be giving the keynote speech entitled Business Contacts. We apologize again for the inconvenience and hope you enjoy the rest of the conference. Thank you.
通过文章开头部分出现的Ladies and gentlemen, ～? There has been a slight change to today's agenda.可以得知，文章是关于会议安排变更的。
单选题
What is being postponed?
A. A registration deadline
B. A departure time
C. A business lunch
D. A motivational speech
【正确答案】
D
【答案解析】通过文中的～, our motivational speaker will be presenting at 5 p.m. instead of 2 o'clock as originally scheduled.可以得知，励志演讲被推迟。
单选题
What is the topic of this afternoon's keynote speech?
A. Motivating your workforce
B. Staff recruiting
C. Business contacts
D. Advertising techniques
【正确答案】
C
【答案解析】通过文章后半部分出现的After lunch, Joseph Hayes will be giving the keynote speech entitled Business Contacts.可以得知，下午演讲的主题是商务联系。