【Thisisnottheworldweknow.Thisworldiscontrolledbycomputers.Menandwomencanbeseen,buttheyarefollowingordersgiventothembymachines.Themachinesweredesignedbymadscientists,butatsomepointeventhemadscientistsweretakenov】

　　Thisisnottheworldweknow.Thisworldiscontrolledbycomputers.Menandwomencanbeseen,buttheyarefollowingordersgiventothembymachines.Themachinesweredesignedbymadscientists,butatsomepointeventhemadscientistsweretakenoverbytheirsuper-inventions.

　　Doesthissoundfamiliar?Youhaveprobablyreadsomethinglikeitinmagazinesorbooks,orseenitinafilm.Whyisitpopular?Oneofthereasonsisthatitreflectsthefearsofmanypeople;fearoftheunknown,fearofwhatisnotunderstoodor,atleast,fearofsomethingthatisnotcompletelyunderstood.

　　Thefactisthateverydayitseemsthatcomputerstakecontrolofanotherareaofourlives.Somefactoryjobsarenowdonebyrobots(机器人)andtherobotsarecontrolledbycomputers.Ourbankaccountsaremanagedbycomputers.Attheairport,ourticketsaresoldbyacomputer.Certainlymanyoftheseoperationsaremademoreefficientbycomputers,butouradmirationissometimesmixedwithunsafefeelings.Andthislackofsafetyiscausedbythefactthatwedonotknowhowcomputersdothesethings,andwereallydon’tknowwhattheymightdonext.

　　Butwecanfindouthowcomputerswork,andonceweunderstandthem,wecanusecomputersinsteadofworryingaboutbeingusedbythem.Today,thereisanewgenerationofcomputerwizards(奇才)whoknowexactlyhowcomputersgetthingsdone.Theseyoungmenandwomen,usuallyuniversitystudents,arehappytositforhours,sometimesfordays,designingprograms,noteating,notsleeping,.Butdiscoveringwhatcanbedonebythesewonderfulslaveswhichtheyhavelearnedtocontrol.Thesecomputerwizardshavelearnedtousethecomputerandsearchfornewtasksfortheirmachine.

　　1.Wecanknowthatthescientistswhodesignedthemachines_______.

　　a.arecarelessintheirdailylife

　　b.areunkindandcruel

　　c.areoutoftheirmind

　　d.havegreatabilities

　　2.Thereasonwhymanypeopleareafraidofcomputersisthat_______.

　　a.theydon’tknowanythingaboutcomputers

　　b.theyhaven’treallyunderstoodcomputers

　　c.therearesomanycomputergames

　　d.computersareoftendown

　　3.Theauthormentionscomputerwizardsinordertopointtothat_______.

　　a.computersca