阅读理解。
Thatlittle"a"withacirclearounditismostcommonlyusedasthe"at"symbol.Thesymbolisusually
foundine-mailaddresses.Surprisinglythoughthereisnoofficial(官方的)nameforthissymbolthere
arelotsofstrangewaystodescribethe@symbol.Beforethe@symbolbecamethepopularsymbolfore-mailitwasusedtoshowthecostofsomething.Forexampleifyoubought6applesyoumightwrite
6apples@$1.10each.
Ase-mailisbecomingmoreandmorepopularthe@symbolorthe"atsignisusedbetweenaperson's
onlineusernameandhismailserveraddressforexamplejoe@126.com.Thesymbol'suseonthe
Internetmadeitnecessaryforpeopletoputthissymbolonkeyboardsinthecountriesthathadneverseenorusedthesymbolbefore.
Theactualorigin(起源)ofthe@symbolremainsamystery.AccordingtoanancientwesternlegendduringtheMiddleAgesbeforetheinventionoftheprintingpress(印刷机)everyletterofawordhad
tobewrittenbyhandforeachcopyofabook.Themonks(僧侣)lookedforwaystomaketheletters
ofcommonwordsless.Althoughtheword"at"wasquiteshortitwasquiteacommonwordintextsand
documents.Asaresulttheycircledaround"a"andcreated@.
根据短文内容，选择最佳选项。
1.Whatdidsomeonemeanbywriting5pears@$2.0eachinthepast?
A.Hebought5pearsforfree.
B.Hepaid$7.0.
C.5pearscost$2.0.
D.Eachpearwas$2.0.
2.Whydidthemonksintheoldtimescreate@mostprobably?
A.Because@couldbeprintedveryeasilyandclearly.
B.Becausetheywereorderedtoinventsomesymbols.
C.Becausetheydidn’twanttowritetheword"at"againandagain.
D.Becausetheywantedtomaketheirtextsordocumentslookspecial.
3.WhichofthefollowingisNOTtrue?
A.@isoftenseenine-mailaddressestoday.
B.The@symbolhasalwaysmeantthesameinhistory.
C.TheInternetmakes@becomemorepopular.
D.Theactualoriginof@isstilldifficulttoexplain.
4.Whatdoweknowfromthepassage?
A.@wasusedbeforetheMiddleAges.
B.@isstillalwaysusedtoshowpricesofgoodsnow.
C.Noo
