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【单选题】
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You derive a new validation control from the BaseValidator class. The validation logic for the control is implemented in the Validate method in the following manner： protected static bool Validate（string value） { // ... } You need to override the method that validates the value of the related control. Which override method should you use？（）A.
A
B.
B
C.
C
D.
D
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举一反三
【多选题】Model test 2
A.
get
B.
know
C.
success
D.
about
E.
source
F.
gather
G.
origin
H.
speed
I.
somewhat
J.
value K existence L much M for N When O Soon after Who won the 1998 World Cup football games? What happened at the United Nations? How did the critics like the new play? ____________ (1) an event takes place, newspapers are on the streets giving the details. Wherever anything happens in the world, reporters are on the spot to ________ (2) the news. Newspapers have one basic purpose, to __________ (3) the news as quickly as possible from its source, from those who make it to those who want to _____________ (4) it. Radio, telegraph, television, and other inventions brought competition for newspapers. So did the development of magazines and other means of communication. However, this competition merely spurred the newspapers on. They quickly make use of the newer and faster means of communication to improve the ___________ (5) and thus the efficiency of their own operations. Today more newspapers are printed and read than ever before. Competition also led to newspapers branching out into many other fields. Besides keeping readers about informed of the latest news, today’s newspapers educate and influence readers about politics and other important and serious matters. Newspapers influence readers’ economic choices through advertising. Most newspapers depend on advertising for their very ___________ (6). Newspapers are sold at a price that fails to cover even a small fraction of the cost of production. The main _________ (7) of income for most newspapers is commercial advertising. The __________ (8) in selling advertising depends on a newspaper’s value to advertisers. This is measured in terms of circulation. How many people read the newspaper? Circulation depends on ___________ (9) on the work of the circulation department and on the service or entertainment offered in a newspaper’s pages. But for the most part, circulation depends on a newspaper’s value to readers as a source of information _____________ (10) the community, city, country, state, nation and world and even outer space. (30.0分)
【多选题】Refer to the exhibit. What are three of the basic components of a VoIP network？（）
A.
software voice applications
B.
multipoint control unit （MCU）
C.
gatekeeper
D.
call agent
E.
interactive voice response （IVR） systems
F.
softphones
【单选题】What are the basic characteristics that distinguish public speaking from other forms of communication?
A.
Public speaking is more structured and usually time limited.
B.
Public speaking also requires more formal language.
C.
Public Speaking requires a different method for delivery both verbally and nonverbally.
D.
Public speaking usually has a certain purpose.
E.
All of the above.
F.
a and d only.
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