阅读理解。Computertechnologyhasbecomeamajorpartofpeople'slives.Thistechnologyhasitsownspecialwords.Oneexampleistheword"mouse".Acomputermouseisnotasmallanimalthatlivesinbuildingsandopenfields.
阅读理解。
Computertechnologyhasbecomeamajorpartofpeople'slives.Thistechnologyhasitsownspecial
words.Oneexampleistheword"mouse".Acomputermouseisnotasmallanimalthatlivesinbuildings
andopenfields.Itisasmalldevice(装置)thatyoumovearoundonaflatsurfaceinfrontofacomputer.
Themousemovesthecursor(光标)onthecomputerscreen.
ComputerexpertDouglasEngelbartdevelopedtheideaforthemouseintheearlynineteen-sixties.The
firstcomputermousewasacarvedblockofwoodwithtwometalwheels.Itwascalledamousebecause
ithadatailatoneend.Thetailwasthewirethatconnectedittothecomputer.
Usingacomputertakessometraining.Peoplewhoareexpertsaresometimescalledhackers.Ahacker
isusuallyapersonwhowritessoftwareprogramsinaspecialcomputerlanguage.Buttheword"hacker"
isalsousedtodescribeapersonwhotriestostealinformationfromcomputersystems.
AnotherwellknowncomputerwordisGoogle.ItisthenameofapopularsearchenginefortheInternet.
PeopleusethesearchenginetofindinformationaboutalmostanysubjectontheInternet.Thepeoplewho
startedthecompanynameditGooglebecauseinmathematicsgoogolspelledg-o-o-g-o-lisanextremely
largenumber.Itisthenumberonefollowedbyonehundredzeros.
Whenyou"Google"asubjectyoucangetalargeamountofinformationaboutit.Somepeopleliketo
GoogletheirfriendsorthemselvestoseehowmanytimestheirnameappearsontheInternet.
IfyouGooglesomeoneyoumightfindthatpersonsnameonablog.Ablogistheshortenednamefor
aWeblog.AblogisapersonalWebpage.Itmaycontainstoriescommentspicturesandlinkstoother
websites.Somepeopleaddinformationtotheirblogseveryday.Peoplewhohaveblogsarecalledbloggers.
1.Whatisthemainideaofthesecondparagraph?
A.DouglasEngelbartwasagreatinventor.
B.Thefirstmousewasmadefromwood.
C.Howthefirstcomputermousewasinvented.
D.Whythemousehasatail.
2.Ifsomeoneiscalledahacker _____.
A.heisgoodatrepairingcomputers