首页
登录
职称英语
In 1948, people living in remote areas could see TV programs by ______ in the Un
In 1948, people living in remote areas could see TV programs by ______ in the Un
游客
2023-09-15
20
管理
问题
In 1948, people living in remote areas could see TV programs by ______ in the United States. [br] What do we know about the "ghosting" from the passage?
选项
A、It is a double image of TV.
B、It refers to the speed of light.
C、It was eventually solved by engineers.
D、It refers to the speed of the radio signals.
答案
A
解析
本题涉及到“ghosting”的含义。该段提到无线电广播信号的速度与电视信号的速度,当这两个信号到达电视调谐器的时间间隔不到一秒时,电视上就会出现重影,这就叫做“ghosting”,故答案为[A]。
转载请注明原文地址:https://tihaiku.com/zcyy/3016521.html
相关试题推荐
【B1】[br]【B9】[originaltext]Millionsofyoungpeoplearecreatingblogs.Mil
【B1】[br]【B6】[originaltext]Millionsofyoungpeoplearecreatingblogs.Mil
【B1】[br]【B5】[originaltext]Millionsofyoungpeoplearecreatingblogs.Mil
【B1】[br]【B4】[originaltext]Millionsofyoungpeoplearecreatingblogs.Mil
【B1】[br]【B3】[originaltext]Millionsofyoungpeoplearecreatingblogs.Mil
[originaltext]Asmoreandmorepeoplelosetheirjobs,nowitisperhapsthe
[originaltext]Asmoreandmorepeoplelosetheirjobs,nowitisperhapsthe
Mostpeoplewouldbe【S1】bythehighqualityofmedicine【S2】tomostAmeric
[originaltext]W:Whatdoyoudoforaliving,Frank?M:Iamanaerospaceengin
[originaltext]W:Whatdoyoudoforaliving,Frank?M:Iamanaerospaceengin
随机试题
[originaltext]W:WelcometothiseditionofTalkoftheNation.We’retalkingt
Victorgainedareputationforbeinga______becauseheconstantlybulliedother
[audioFiles]audio_eufz20086_001(20091)[/audioFiles]A、Givehisankleagoodrest
模块设计中,某模块根据输入的控制信息从文件中读一个记录或者向文件中写一个记录,则
麻醉前不宜使用阿托品的病人是A.小儿 B.颅内压升高病人 C.孕产妇 D.
关于海南省的概况,下列说法正确的有( )。A.动植物药材资源丰富,素有“天然药
李女士在与王先生结婚之后,其父母为其购买了一套住房,该房屋登记在李女士名下,李女
Thechangeinthatvillagewasmiraculou
内幕信息,是指在证券交易活动中,涉及公司的经营、财务或者对该公司证券的市场价格有
经国务院银行业监督管理机构依据有关法律、法规批准,由境内商业银行或农村合作银行在
最新回复
(
0
)