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

startedthecompanynameditGooglebecauseinmathematics，googol，spelledg-o-o-g-o-l，isanextremely

largenumber.Itisthenumberonefollowedbyonehundredzeros.

Whenyou"Google"asubject，youcangetalargeamountofinformationaboutit.Somepeopleliketo

GoogletheirfriendsorthemselvestoseehowmanytimestheirnameappearsontheInternet.

IfyouGooglesomeone，youmightfindthatpersonsnameonablog.Ablogistheshortenednamefor

aWeblog.AblogisapersonalWebpage.Itmaycontainstories，comments，picturesandlinkstoother

websites.Somepeopleaddinformationtotheirblogseveryday.Peoplewhohaveblogsarecalledbloggers.

1.Whatisthemainideaofthesecondparagraph?

A.DouglasEngelbartwasagreatinventor.

B.Thefirstmousewasmadefromwood.

C.Howthefirstcomputermousewasinvented.

D.Whythemousehasatail.

2.Ifsomeoneiscalledahacker，（）.

A.heisgoodatrepairingcomputers

B.heisskilledatcomputertechnology

C.healwaysloadsthenewestsoftwares

D.healwaysstaysathomedevelopingsoftwares

3.Accordingtothepassage，ablog（）_.

A.mustbeupdatedeveryday

B.isacompany'sWebpage

C.islinkedtoallsearchengines

D.usuallycontainsinformationaboutpersonalexperiences

4.WhichofthefollowingisTRUEaboutGoogle?

A.Itcanhelpyoufindusefulinformation.

B.Itcanhelppeoplecommunicatewitheachother.

C.Itisusedtodomathematicalanalysis.

D.Itisthelargestnumberinmathematics.

正确答案：1-4:CBDA