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
26
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://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
James:How’sKellydoing?Joan:______A、Sheisdoinghouseworkrightnow.B、Her
[audioFiles]audio_eufm_j95_001(20082)[/audioFiles]A、Billisveryoldnow.B、The
Oneofthetypesofmetaphorusuallyreferringtowithlittle【S1】______admi
【教学过程】 (一)课题导入 首先提问:我们的身体无时无刻不被病原体所包围,但是多数情况下我们并未感到不适,这是为什么?通过该问题引导学生复习人体的三道防线
《天朝田亩制度》的土地分配方案及其意义是什么?
下列各项中,不符合内部牵制的要求的是()。A、出纳人员管票据 B、出纳人员
相畏配伍的目的是A.减少个体差异B.加速分布C.减少毒性D.更易吸收E.协同作用
水谷精微的转输布散主要依赖的脏腑功能是A小肠主受盛化物 B脾主运化 C肝主疏
下列关于存款利率的表述,正确的有()。A.存款利率越高,银行的融资成本越高
按照()划分,可以将农业保险划分为生产成本保险、农业产量保险、农产品价格保
最新回复
(
0
)