A.Surprised.B.Grateful.C.Doubtful.听下面一段较长对话,回答以下小题。【此处可播放相关音频,请去附件查看】14.What does the man say about his office?A.His office is richly decorated.B.He has used this office for a week.C.His office space is spacious enough.15.Why does the man need a web camera for his computer?A.To record his trip next week.B.To communicate with overseas scholarsC.To collect cost-effective web cameras.16.What are the speakers mainly talking about?A.How to choose an office chair.B.How to prepare for an online meeting.C.How to improve Professor White's office.听下面一段独白,回答以下小题。【此处可播放相关音频,请去附件查看】17 On which day is World Sleep Day held?A.March 21.B.March 25.C.March 31.18.What benefit is mentioned about enough sleep?A.Being stronger.B.Being cleverer.C.Being taller.19.What percentage of adults have a full eight hours of sleep each workday?A.21%.B.27%.C.80%.20.What can we learn from the passage?A.World Sleep Day started in 2006B.Teenagers need at least 8 hours of sleep a night.C.80%of people throughout the world have sleep problems.第二部分阅读(共两节,满分50分)第一节(共15小题;每小题2.5分,满分37.5分)阅读下列短文,从每题所给的A、B、C和D