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
2024-06-13
43
管理
问题
In 1948, people living in remote areas could see TV programs by ______ in the United States. [br] As the bandwidth increased to 550 MHz, the number of TV channels increased by ______compared with the early cable systems.
选项
A、24
B、33
C、58
D、91
答案
C
解析
本题涉及到电视节目数量的比较。该段提到早期的电缆系统只能收到33个频道,随着技术的进步,当频宽增加到550 MHz时,电视频道增加到91个,也就是说,与早期的电缆系统相比,电视频道增加了58个,故答案为 [C]。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3632788.html
相关试题推荐
InBritain,therewereafewveryrichpeoplewhoreceivedmoneyfromlando
Bytheearly1900’s,manypeopleintheUnitedStatesbegantoworryaboutth
Bytheearly1900’s,manypeopleintheUnitedStatesbegantoworryaboutth
Bytheearly1900’s,manypeopleintheUnitedStatesbegantoworryaboutth
Bytheearly1900’s,manypeopleintheUnitedStatesbegantoworryaboutth
Bytheearly1900’s,manypeopleintheUnitedStatesbegantoworryaboutth
[originaltext]Peoplehavebeenpaintingpicturesforatleast30,000years.
[originaltext]Aroundtheworldmoreandmorepeoplearetakingpartindang
[originaltext]Aroundtheworldmoreandmorepeoplearetakingpartindang
[originaltext]Theword"okay"isknownandusedbymillionsofpeopleallo
随机试题
推行各种便民措施(convenienceforpeoplemeasure)是城镇化重要的一步。城镇化不是简单地把农村居民迁移到城市,而是要让为城市作出
Whenmywife,Meg,sufferedaseverestrokethatimmobilizedherleftside,
[originaltext]Iliveinasmallvillageinthecountry.MywifeandIrunt
曲线y=x3+2x在点(1,3)处的法线方程是()A.5x+y-8=0 B.5
已知债券的久期为2.5年,票面利率为6%,那么该债券修正久期为( )。A.2.
价值工程涉及到价值、( )和寿命周期成本等三个基本要素。 A、价格 B、
患者男,45岁,汽车修理工,间断咳嗽3个月,无痰。近20天出现咳嗽加剧,痰中带血
属于多种思维的综合表现的思维形式是A.经验思维 B.辐合思维 C.发散思维
关于投行并购业务的描述,错误的是()。A.恶意收购又称为“黑衣骑士” B
某纺织厂为进行技术革新,从国外引进纺织机5台,并配套相应的生产设备若干,该厂再次
最新回复
(
0
)