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
International electronic mail systems are no longer the plaything of hackers and bug-eyed computer enthusiasts. They are emergin
International electronic mail systems are no longer the plaything of hackers and bug-eyed computer enthusiasts. They are emergin
admin
2010-05-09
90
问题
International electronic mail systems are no longer the plaything of hackers and bug-eyed computer enthusiasts. They are emerging as credible business tools that enable individuals and companies to communicate cheaply and efficiently around the globe. Like the in-house electronic mail networks that have become a fact of business life in many companies, these systems provide a means of sending and receiving messages via personal computers or computer terminals. With global electronic mail services, however, messages can be sent across the world or across town.
For evidence of the rising popularity of electronic mail, a look at the business cards collected from clients or contacts lately should be enough. The chances are that some of them include electronic mail "addresses" along with telephone and fax numbers.
The advantages of electronic mail are numerous. It can eliminate hours of frustrating "telephone tag" and enable people to communicate across time-zones with ease. It also substitutes for busy fax machines that print out piles of paper which are often misplaced or misdirected. With electronic mail, the message appears upon the computer screen of the individual being contacted.
The biggest roadblock to the success of electronic mail in the past has been the lack of sufficient users. Although dozens of personal computer electronic mail services are available, until recently they were not linked. This meant that to reach somebody it was necessary to subscribe to the same electronic messaging system.
Over the past couple of years, however, many electronic mail systems have started "talking" to one another. The mechanism for this is "Internet"--a low-cost and efficient link between electronic mail services worldwide.
Internet links an estimated 1.5 million computers over 10,000 networks in 50 countries, serving about six million users. Internet resembles a computer network cooperative. There is no central authority that oversees it, and rules are largely informal. Over the past 20 years it has mushroomed to include regional, corporate and public networks, including commercial electronic mail systems. "People conduct their love life over Internet, their hobbies and their interests. They argue polities and engage in all kinds of business,’ says Mr. Mitch Kapor, co-founder of Electronic Frontier Fountain of Cambridge, Massachussetts, which promotes awareness of the on-line world.
Despite the anarchic nature of its structure, the basics of using Internet communications are simple. All that is needed is a computer, a modem, a communications software package and a subscription to an on-line information service linked to Internet.
Subscription costs range from about US$9 to US$20 per month, depending on the service and varying according to the information services offered.
Once a subscription to one of these services is obtained, the charge for sending an electronic message is generally only a few cents. In most places a local telephone call will connect you to the system.
According to the passage, "electronic mail" is a way to ______.
选项
A、replace the old mail system
B、get electronics by mail
C、connect the users to the post office
D、communicate by personal computers or computer terminals
答案
D
解析
参见文章第2段的第2~3行:these systems provide a means of sending and receiving messages via personal computers or computer terminals(这些系统通过个人电脑和电脑终端提供了传送和接收信息的方法)。且根据第1段的第1行,可知these systems是指international electronic mail systems。由此可知D为正确答案。
转载请注明原文地址:https://kaotiyun.com/show/MbKK777K
0
大学英语六级
相关试题推荐
A、Themanmeansitwhenhesays"that’sallright."B、Accordingtothewoman,sheislatebecauseshehaslosthercarkey.C、Le
A、Hopkins.B、Wilfred.C、Ralf.D、Thewoman.AM:WhatbookwereyoureadingintheclassroomwhenHopkinsgotin?W:Iwastalking
A、Itreflectscommercialinterests.B、Itisafashionableprofessionalevent.C、Itisanessentialaffairforinternationalcine
A、HighbandwidthInternetconnections.B、Cable.C、Relatedtechnologies.D、Electronicdevices.AWhatwillallowpeopletoexchang
Asmallpieceoffish’eachdaymaykeeptheheartdoctoroff.That’sthefindingofanextensivestudyofDutchmeninwhichd
Wearenotreallypreparedtocommunicatewithstrangers,____________(除非知道在不熟悉的场合应该有什么样的举止).
A、Philiphasnotbeentothispartofthelibrarybefore.B、Itwasveryquietinthelibrary.C、Philipfellofftheladderandm
A、Sheshouldpresenthimabookonmusic.B、Theteacherhassomeinterestsotherthanreading.C、It’sagoodideabecausethete
The"wiredcities"intheUnitedStateswerenotconstructed,______.PartofthereasonwhytheInternetbecomespopularisth
A、Heisaworker.B、Heenjoysmusic.C、HehasanotherplayerD、Helost20dollar.B从对话中不能得到A、C、D这样的信息,而从男士听爵士乐磁带可知他可能比较喜欢音乐,故选B。
随机试题
甲被法院宣告失踪,其妻乙被指定为甲的财产代管人。3个月后,乙将登记在自己名下的夫妻共有房屋出售给丙,交付并办理了过户登记。在此过程中,乙向丙出示了甲被宣告失踪的判决书,并将房屋属于夫妻二人共有的事实告知丙。1年后,甲重新出现,并经法院撤销了失踪宣告。现甲要
A重搏脉B奇脉C交替脉D水冲脉E短绌脉脉压增大时可出现
对于外生殖器淋巴,下列哪项不正确
良性前列腺增生最重要的症状是
女性,36岁,今日晨练时突发喘气、胸闷1小时,急诊,查体:端坐呼吸,口唇发绀,双肺叩诊呈过清音,呼吸音减弱,未闻及哮鸣音及湿啰音,心率120次/分。血气分析PaO250mmHg,PaCO230mmHg。该患者首先考虑的诊断是
患儿,1岁。睡眠时哭闹不安、多汗,下肢弯曲呈“O”形腿,诊断为维生素D缺乏性佝偻病。对患儿最佳的护理是
《劳动合同法》允许劳动者个人与用人单位约定工资水平。由于担心劳动者缺乏谈判能力,同时又规定了工资水平可以实行集体仂商。其具体方面体现在()。
1984年,乔治.布什与丹.奎尔搭档竞选美国总统,当时人们攻击奎尔,说他的家庭曾帮助他挤进印第安纳州的国民卫队,以逃避去越南服兵役和作战。对此,布什反驳说:“丹.奎尔曾在国民卫队服役,他的分队当时尚有空缺;现在,他却受到了爱国派们尖刻的攻击。……诚然,他没
孙某共用24000元买进甲、乙股票1000、600股,在甲股票升值15%、乙股票下跌10%时全部抛出,共赚到1350元。甲、乙两股买入的单价比是多少?
外部设备是指除了CPU和【 】外的全部输入输出设备。
最新回复
(
0
)