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
67
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
Somesubsistenceactivitiessuchashuntinglargeanimalsornettingfishrequir
Becausemoreandmorepeople______________________________.[originaltext]Whyd
Women’seducationintheMiddleAgeswasintendedtomakethemintogoodChristi
Let’sNotHideHealthCostsWeareawashinhealth-care
以下有关水泥混凝土路面质量问题说法,正确的有( )。A.坑洞应为板面出现直径大
具有益气祛风,健脾利水功用的方剂是A.五苓散 B.猪苓汤 C.五皮饮 D.
公司盈利预测中最为关键的因素是( )。A.管理费用预测 B.销售费用预测
儿童因有改正错误的行为表现,所以家长取消了限制儿童看电视的禁令,这种手段称为()
提示心房扑动的心电图是( )。A.心室律不规整 B.出现f波 C.PR间期
杀灭红细胞内疟原虫配子体和迟发型子孢子的药物是( )。A.氯喹 B.卡巴砷
最新回复
(
0
)