单选题 What has caused a change in the class schedule?

A、 A piece of equipment is malfunctioning.
B、 An instructor has been delayed.
C、 The participants haven't all arrived.
D、 The venue has to be moved.

【正确答案】 A

【答案解析】解析：题目是询问课程安排变化的原因，因此应仔细听与题目的中心语change in the classschedule相关的内容。公告中提到“Welcome to…class on…photography．I know we weresupposed to begin 10 minutes ago，but we can’t seem to get the projector to display ourimage—editing program…”，即课程原来应该在10分钟前开始，但是无法用投影仪展示图片编辑程序。由此可以判断是因为投影仪出了问题导致课程安排的变更。因此正确答案是(A)Apiece of equipment is malfunctioning．。

单选题 What is mentioned about Dale Anderson?

A、 He is promoting the use of a program.
B、 He works as a professional photographer.
C、 He is a technician at a studio.
D、 He sells digital cameras.

【正确答案】 B

【答案解析】解析：题目是询问有关戴尔-安德森公告中提到了什么，因此应仔细听与题目的中心语DaleAnderson相关的内容。公告中提到“Dale Anderson，one of our professional studiophotographers．”，即介绍是戴尔·安德森是一名专业的摄影师。因此正确答案是(B)Heworks as a professional photographer．。

单选题 What will most likely happen next?

A、 A speaker will make his closing remarks.
B、 Participants will view a video.
C、 A talk about photographic equipment will begin.
D、 Materials for a class will be distributed.

【正确答案】 C

【答案解析】解析：题目是询问接下来最有可能发生的事情，因此应仔细听公告的结尾部分。公告中提到“He willshare advice for choosing the right digital camera…”，即他将分享一些有关如何挑选合适的数码相机的建议。因此正确答案是(C)A talk about photographic equipment will begin．。