首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Television is one of today’s most powerful and widespread means of mass communication. It directly influences our lives on both
Television is one of today’s most powerful and widespread means of mass communication. It directly influences our lives on both
admin
2012-01-27
53
问题
Television is one of today’s most powerful and widespread means of mass communication. It directly influences our lives on both a short and long-term basis; it brings worldwide situations into our homes; it affords extensive opportunities for acquiring higher education; and it performs these tasks in a convenient yet effective manner. We are all aware of the popularly accepted applications of television, particularly those relative to entertainment and news broadcasting. Television, however, has also been a vital link in unmanned deep space exploration (such as the Voyager Ⅰ and Ⅱ missions), in providing visions from hazardous areas (such as proximity to radioactive materials or environments) in underwater research, in viewing storms moving across a metropolitan area (the camera being placed in a weather-protective enclosure near the top of a tower) , etc. The earth’s weather satellites also use television cameras for viewing cloud cover and movements from 20, 000 miles in space. Infrared filters are used for night views, and several systems include a spinning mirror arrangement to permit wide-area views from the camera. Realizing the unlimited applications for today’s television, one may thus logically ponder the true benefits of confining most of our video activities to the mass-entertainment field.
Conventional television broadcasting within the United States centres around free enterprise and public ownership. This requires funding by commercial sponsors, and thus functions in a revenue-producing business manner. Television in USSR-subjected areas, conversely, is a government-owned and maintained arrangement. While such arrangements eliminate the need for commercial sponsorship, it also has the possibility of limiting the type of programs available to viewers (a number of purely entertainment programs similar to the classic "Bewitched", however, have been seen on these government-controlled networks. All isn’t as gray and dismal as the uninformed might unnecessarily visualize). A highly modified form of television called Slow-Scan TV is presently being used by many Amateur Radio operators to provide direct visual communications with almost any area of the world. This unique visual mode recently allowed people on the tiny South Pacific country of Pitcairn Island to view, for the first time in their lives, distant areas and people of the world. The chief radio Amateur and communications officer of Pitcairn, incidentally, is the legendary Tom Christian-great, great grandson of Tom Christian of "Mutiny on the Bounty" fame. Radio Amateurs in many lands worked together for several months establishing visual capabilities. The results have proven spectacular, yet the visual capabilities have only been used for health education, or welfare purposes. Commercial TV is still unknown to natives of that tiny country. Numerous other forms of television and visual communication have also been used on a semi-restricted basis. This indicates the many untapped areas of video and television which may soon be exploited on a more widespread basis. The old clich of a picture being worth a thousand words truly has merit.
According to the passage, applications of television are easily accepted in ______.
选项
A、metropolitan area
B、deep space exploration
C、programs about entertainment and news
D、remote areas
答案
C
解析
文章第1段“We are all aware of the popularly accepted applications of television,particularly those relative to entertainment and news broadcasting.”中可知,电视最容易在娱乐和新闻方面得到运用,因此C选项正确。
转载请注明原文地址:https://jikaoti.com/ti/y05YFFFM
0
考博英语
相关试题推荐
Thistoothedwhalehasalarge,squareheadwith______theso-calledspermaceti.
BuildingonthebaseofevidenceandinterpretationinHansen’s(1994)qualitativestudy(workingpeople’sdiaries,weassigned
TheLondonterroristattacksonJuly7andJuly21changedBritishPrimeMinisterTonyBlair.Hehadlongbeenreluctanttomake
Hisofficeis______tothePresident’s;itusuallytakeshimaboutthreeminutestogetthere.
"Before,weweretooblacktobewhite.Now,we’retoowhitetobeblack."Hadija,oneofSouthAfrica’s3.5mColoured(mixedra
AfterlunchIfelt______enoughtoaskmybossforariseinmyweeklywages.
Althoughthetwocompaniestalkedabouthowlittle______.thereisbetweenthem,theystillexpecttoeliminateabout10000pos
Onbehalfofmycompany,Iam______toyouandyourcolleaguesforyourgeneroushelp.
Courtlifewasgovernedbythemostpreciseformof______.
Ithinkthechargeforoverloadedluggageisexcessivein______toitssize.
随机试题
台阶坡面角主要是岩体稳定性的函数,其取值随岩体的稳定性的增强而增大。某均质岩体,岩石硬度系数为9,则其相应的台阶坡面角选取的值可以为()。
A、Genetics.B、Environment.C、Pressureformlife.D、Alloftheabove.D文中最后提到饮酒与基因,环境和生活的压力都有关。故答案为D。
著名的治泻九法出自()。
在进行水压强度试验的测试中,对系统管网注水时,应将管网内的空气排净,并应缓慢升压,达到试验压力后,稳压30min后,管网应无泄漏、无变形,且压力降不应大于()MPa。
基本存款账尸是指存款人办理( )而开立的银行结算账户,是存款人的主要存款账户。
经济金融发展的规律表明( )。
下列关于存款人撤销基本存款账户的表述中,正确的有()。
思想品德课是对学生进行德育的专门途径。
”三个代表”重要思想依据改革开放和现代化建设新的实践,紧紧把握我国社会生活和社会结构的深刻变化,对()作出了科学判断。
WhoisMs.Stevens?
最新回复
(
0
)