题目内容
（请给出正确答案）
A.采用H.248协议控制一个或多个媒体网关(MGW)
B.实现IMS网络的SIP协议与PSTN网络的ISUP之间的转换，以完成SIP与PSTN之间会话的建立与释放
C.实现IMS域与PSTN域的语音媒体流互通和转换功能，可以实现 TDM与RTP的转换
D.可以通过RADIUS/DIAMETER接口向计费协调功能(MM)发送计费消息
如果结果不匹配，请 联系老师 获取答案
更多“下列关于MGC(Media Gateway Controll…”相关的问题
听音频：{MP3:/imgcache/attached/media/20140522/20140522113252_8493.mp3} 回答下列各题：
A.Go to a place he has visited.
B.Make her own arrangements.
C.Consult a travel agent.
D.Join in a package tour.
A.The weather forecast．
B.The cancellation of playing tennis．
C.The hot weather．
D.The tennis being played．
A.Go fishing．
B.Entertain at home．
C.Work at home．
D.Have a lest．
A.Plan his budget carefully.
B.Give her more information.
C.Ask someone else for advice.
D.Buy a gift for his girlfriend.
A.She got a "C" in maths as well.
B.She usually practices a lot in maths,
C.Maths is not as terrible as the man thinks
D.Maths is the enemy of all the students.
A.Read the warning tag on it to the woman.
B.Refuse to refund the sweater.
C.Wash the sweater in cool water.
D.Teach the woman how to wash it properly.
A. He gives up smoking.
B. lie is under economic crisis.
C. He is fired by his boss.
D. He cannot have a holiday.
A.They are going to catch cats and dogs．
B.It is raining heavily outside．
C.The woman has to check the weather report.
D.The man has to go to the post office
A.Buy his daughter new shoes.
B.Listen to his daughters music
C.Respect his daughters opinion.
D.Have a passion on music.
根据下列材料，请回答题
Messages from the Media
1 The weather forecast，a story about the candidates in an election，and movie reviews are exam pies of messages from the media．A communication medium，of which the plural（复数的）form. is media，is a means of communicating a message．Examples of media are television，radi0，news．papers and books and the telephone．The media that can reach many people at once are called mass media．
2 It is not difficult to think of other messages we receive through the mass media．Every day we get hundreds of them．Think about advertisements，for example．We see and hear these messages almost everywhere we 90？Advertisements are important messages，even though they are sometime nnoying．They help US compare and evaluate Droducts．
3 Most of us get more information from the media than from the classroom．Think for a moment．About how You learn about local news and events．Do Y。u depend on other people or the media？ What about international news？ what is the most important source。Of information for you ？People who are asked this question usually answer，“Television”．
4 Think。fall the messages You received today．Perhaps you read a newspaper during breakfast， or maybe you read advertisements Off billboards（露天广告牌）on your way to sch001．Did voulis．ten t。a weather forecast or the sports news on the radio。this morning？ Right n。w y。u are getting information through a very important medium of mass communication a book．
5 We use the information we get from radi0，television，newspapers，and other media make decisions and form. opinions．That is why the mass media are so important．Editorials and articles in newspapers help US decide how to vote，consumer reports on television help us decide how to
spend our money，and international news on the radio makes US think and form. opinions about
question of war and peace．
Paragraph 2 ___________ 查看材料
A.Importance of Classroom Learning．
B.Television A Rich Source of Information.
C.Advertisements as important Messages from the Mass Media．
D.Various Messages One May Receive Each Day．
E.Media Means to Communicate Messages
F.Importance of the Mass media.
A.He made things worse.
B.He messed up the deal.
C.He wasnt trusted by the woman.
D.He had a terrible day.
