阿尔卡特TV设备可传（）路TV和二路伴音信号。A、1B、3C、4D、5
阿尔卡特TV设备可传（）路TV和二路伴音信号。
- A、1
- B、3
- C、4
- D、5
相关考题：
Many people like watching TV.Watching TV is one of the most important activities of the day. TV brings the outside closer to people's home. Some people say the world is smaller than before because of TV.What's going on in the other countries? How do people live in places far away? Is there a good sports game somewhere? What's life in the deepest part of the sea?If you want to answer . Of course, people can also learn through reading or listening to the radio. But with TV they can learn better and more easily. Why? Because they can hear and watch, too.TV helps to open our eyes. TV also helps to open our minds (思想) . TV often gives us new ideas. We learn newer and better ways of doing something.6.Some people say the world is smaller than before because TV brings the outside world closer to people.A.TB.F7.We can answer many TV questions when we watch TV.A.TB.F8.People learn better through TV than through radio because people can not only hear but also watch.A.TB.F9.The sentence “TV also helps to open our minds” means something is wrong with our minds.A.TB.F10.This passage tells us not to watch TV any more.A.TB.F
下列不能用来表达"这部电视剧值得一看。"的是_________ A.It is worthwhile watching this TV play.B.This TV play is worth to watch.C.This TV play is worthy of being watched.D.It is worthwhile to watch this TV play.
He asked Li Hong, “Were you watching TV at this time yesterday?” = He asked Li Hong if______. A、she was watching TV at this time yesterdayB、she is watching TV at that time the day beforeC、she was watching TV at that time the day beforeD、was she watching TV at that time the day before
What would be the best title for the passage?A.TV Will Rule the WorldB.TV Will Disturb the WorldC.TV Will Better the WorldD.TV Will Remain in World
在信号源(us，Rs)和电阻RL之间接入一个理想变压器，如图所示，若us= 80sinωtV，RL= 10Ω，且此时信号源输出功率最大，那么，变压器的输出电压u2等于：A. 40sinωtV B. 20sinωtV C. 80sinωtV D. 20V
在信号源（us,RS）和电阻RL之间接入一个理想变压器，如图7-44所示，若uS=80sinωtV，RL=10Ω,且此时信号源输出功率最大，那么，变压器的输出电压u2等于（）。A.40sinωtV B.20sinωtVC.80sinωtV D.20V
A technician has installed Windows Vista Ultimate and is setting up the Media Center. When the technician goes to watch TV, Media Center displays an error of no TV tuner installed. The TV tuner is installed with the correct drivers. Which of the following is the solution to the problem?（）A、TV tuner codec was not installed.B、Not enough RAM to support the TV tuner.C、Motherboard is faulty.D、Video card drivers are not installed.
RCS－901（2）A装置中，如果三相电压向量和小于8伏，而且正序电压小于0.5Un，若采用母线TV则延时1.25秒报TV断线；若采用线路TV，则当但任一相有电流动作或TWJ不动作时，延时1.26秒报断线异常信号。通过控制字来确定是采用母线TV还是线路TV。
多制式录像机中为了适应不同制式的伴音解调，在TV解调器中设计了多载频伴音解调电路。常用电视制式的第二伴音中频载频为（）。A、（6、5.5、5、4.5）MHzB、（6.5、6、4.5、5）MHzC、（6.5、6、5.5、5）MHzD、（6.5、6、5.5、4.5）MHz
单选题By stating “We are alive only to the sound of the TV and the stereo” in paragraph 5, the author means _____.Awe come back to life at the music provided by the TV and the stereoBwe only perceive the music provided by the TV and the stereoCwe should sing more than listen to the TV and the stereoDwe should listen to more music on the TV and the stereo
单选题You install a TV tuner card on your computer. You need to record two different TV shows that run on two different channels at the same time. What should you do？（）AInstall a TV tuner card that supports high-definition TV （HDTV）.BInstall an additional TV tuner card.CContact your TV cable or satellite provider to add support for concurrent recording.DRemove the existing TV tuner card. Install a new TV tuner card that supports MPEG-2 video hardware or software video decoding.