首页
登录
职称英语
[originaltext] Make millions with no work! Lose 5 kg overnight! Clear your c
[originaltext] Make millions with no work! Lose 5 kg overnight! Clear your c
游客
2023-07-17
83
管理
问题
Make millions with no work! Lose 5 kg overnight! Clear your credit history! The secrets to getting hot girls! Get out of debt!
Junk email messages like these, also known as spam, are familiar to anyone with an email account. On average, each email user received 1,300 spam messages last year, and that number is expected to increase to 3,900 by the year 2007.
Junk mail is nothing new. For years, marketing groups have collected consumer information, including addresses and phone numbers, and sold them as lists to interested advertisers. But with junk mail, the high cost of mailing packages to large groups of people kept it down to a manageable level. But with email, anyone With a computer and Internet connection can now send messages around the world for free.
But it’s the people who receive spam who wind up paying. It is estimated that spam costs companies millions of dollars every year due to wasted time, connection costs and lost emails.
选项
A、130.
B、3,900.
C、13,000.
D、1,300.
答案
D
解析
短文第二段明确提到On average,each email user received 1,300 spam messages last year。
转载请注明原文地址:http://tihaiku.com/zcyy/2845445.html
相关试题推荐
[originaltext]Morethan30,000driversandfront-seatpassengersarekilled
[originaltext]Morethan30,000driversandfront-seatpassengersarekilled
[originaltext]Morethan30,000driversandfront-seatpassengersarekilled
[originaltext]M:Whatdoyouthinkofmynewsweater,Tracy?W:Well,it’svery
[originaltext]M:Excuseme,Iwaswonderingifitwaspossibletojointhelibr
[originaltext]M:Excuseme,Iwaswonderingifitwaspossibletojointhelibr
[originaltext]M:Theguyinthenextapartmenthasbeenplayingtrumpetformor
[originaltext]M:Theguyinthenextapartmenthasbeenplayingtrumpetformor
[originaltext]M:Theguyinthenextapartmenthasbeenplayingtrumpetformor
[originaltext]Atruefriendshipcarriesalonghistoryofexperiencethatd
随机试题
NOTICEFORHOTELGUESTSWhencarparkislocked(midnight-6am),contactsecur
近年来,随着中国政治及经济实力的不断提升,学中文的外国人越来越多。Inrecentyears,asChina’spoliticalandecono
AftertheFirstWorldWar,theauthorAnaisNinbecameinterestedintheartmov
在安装专业措施项目清单中,不在吊装加固项目工作内容及包含范围内的是()。A:行
患者,男,50岁,坏疽性阑尾术后第7天,局部伤口红肿,触之有波动感,穿刺抽到脓液
卷材防水层施工时,应先进行细部构造处理,然后由屋面( )铺贴。 A、最低标高
( )是一切社会存在和发展的基本条件,是一切财富的创造者。 A.土地
下列关于直接指标法的特点描述不正确的是( )A.简单易行 B.直接反映员
张某与李某婚后生有子女甲和乙,并收养了戊,后张某与李某离婚,甲、乙归李某抚养。李
技术创新的过程与模式中,()最为显著的特征是它代表了创新的电子化和信息化过
最新回复
(
0
)