问题 问答题 简答题

简述超媒体及其应用?

答案

参考答案:

(1)随着Web浏览器的出现,超文本的概念已不仅涉及文本,而且引申到了元素。这种增强的、利用超文本的工作方法有时也称为超媒体,它以包括图形和多媒体在内的这两种方式大大增强了Web浏览器的表现能力。它以包括图形和多媒体在内的这两种方式大大增强了Web浏览器的表现能力。

(2)在超媒体的第一个应用中,网页中的图形本身成为一个链接。

(3)在超媒体第二个应用中,使Web的链接可以打开某一程序,而显示并播放其中的图片、音频、或视频剪辑。

阅读理解

The Harvard Student—led Walking Tour

Let a student show you Harvard···on a free walking tour.

We welcome our neighbours to stop by the Harvard University Events&Information Centre,

located in the Holyoke Centre Arcade at 1350 Massachusetts Avenue in the heart of Harvard Square in Cambridge.

Let a student take you and your family, school,or organization on an engaging,hour-long free historical tour of the Harvard Campus. The tours leave from the Events&Information Centre.Not only will you discover the location of fascinating exhibition and programmers on campus,you will also see Harvard’s rich sampling of American history and architecture from the Colonial period to the present.

Schedule of Tours

Tours leave the Events&Information Centre at 10 a.m. and 2 p.m. Monday through Friday, and at 2 p.m. on Saturday through the academic year (February4 through May 2;September 23 through December 16).Summer tours(June 24 through August 15)are offered at 10 a.m.,11:15 a. m.,2p.m.,and 3:15 p.m. Monday through Saturday.Reser—vacations for special tours of 20 or more people may be made by calling the Events&Information Centre at (617)495-1573 or emailing icenter@ camail Harvard, edu. Tours are suspended March23 through April2 for Spring Break.May3 through June23 for Spring intercession(祷告),and August16 through September 22 for Summer intercession.

NOTE:Prospective(未来的)students may take tours originating at the Harvard Admission Office, located at Byerly Hall on 8 Garden Street in Cambridge.From April through August,the Admissions staff conducts an information session at l0a.m. followed by an 11 a.m. tour.Monday through Friday On Saturdays.there is no information session but the 11 a.m.tour is still scheduled.Another session is held year-round at 2 p.m. with a 3 p.m. tour following. For more information on tours for prospective students,please call at(617)495-1551.

Harvard University Events&Information Centre

Location:Holyoke Centre Arcade.1350 Massachusetts Avenue,Cambridge MA 02138

Phone:(617)495-1573

小题1:A person can join in a tour at ________on Saturday through the academic year.

A.10 a.m.

B.2 p.m.

C.11:15 a.m.

D.3:15 p.m.小题2:If you want to go for an information session, you can go on __________.

A.May 2

B.June 23

C.August 20

D.September 1小题3:A student who wants an information session may _________for more information.

A.call (617)495-1573

B.call (617)495-1551

C.email icenter@ camail. Harvard.edu.

D.go to the Events&Information Centre小题4:The above ad.is mainly intended for________.

A.foreign visitors

B.freshmen

C.high school students

D.those living near Harvard University

单项选择题