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
77
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:https://www.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
Mostofuswhoworkinearlychildhoodeducationfeelstronglythatthework
WhichofthefollowingdetailsisCORRECTaboutthewoman?[originaltext]M:How
Throughouthistoryhas【C1】______changedhisphysicalenvironmentinordert
TheNationalTrustinBritain,togetherwithsimilarvoluntaryorganization
A.头部抬高15° B.脱水疗法 C.苯妥英钠 D.高压氧舱 E.肠道外
下列关于哮喘持续状态的紧急处理哪项是错误的A.静滴地塞米松 B.补充水、电解质
子宫肌瘤使用雄激素治疗者,每月总量不能超过()。A.100mg B.200m
45.深化依法治国实践。成立中央全面()领导小组,加强对法治中 国建设的统一
从所给选项中,选择最合适的一个填入问号处,使之呈现一定得规律性()。
对调节内脏系统活动起重要作用的中枢是()。单选A.底丘脑 B.中脑
最新回复
(
0
)