【正确答案】 B

【答案解析】[听力原文]98-100 Welcome to our annual conference. Before we get started with this morning's program, we need to go over some changes to the schedule. Our first group speaker will begin her presentation thirty minutes later than the original time. She will now speak at nine fifteen, instead of at eight forty-five, in our main meeting room. At twelve o'clock, lunch will be served in the Red River Room, while the Blue Mountain Room will be used for dinner. This evening, as listed in your preprinted schedules, you may choose to attend another presentation or see a play. We have also just added another activity for your entertainment, dancing at Club Central. Music will be performed by the popular local band Little Joe and the Wildcats. Tickets may be purchased from the registration table during lunch. The speaker's time has been changed from 8:45 to 9:15. Choice (A) was her originally scheduled time. Choice (C) is confused with thirty minutes later. Choice (D) is the time for lunch.

【正确答案】 C

【答案解析】Dinner will be served in the Blue Mountain Room. Choice (A) is where the first speaker will speak. Choice (B) is where lunch will be served. Choice (D) is confused with Club Central, where the dance will be held.

【正确答案】 D

【答案解析】The activity that has just been added is a dance at Club Central. Choice (A) is confused with the Blue Mountain Room, where dinner will be served. Choices (B) and (C) are the activities that had already been scheduled.