It is essential that the program ____________ be loaded into computer.

[单选题]A computer virus is a computer program that is created to make and spread (72) of itself.(72) A．programsB．virusC．copiesD．files

[单选题]Marsha [confessed]that she knew nothing of computer.A.reportedB.admittedC.h

[单选题]Marsha [confessed]that she knew nothing about computer.A.hopedB.admittedC.r

[单选题]H．ad I known about this computer program, a huge amount of time and energy .A．would have been savedB．had been savedC．will be savedD．was saved

[单选题]H．ad I known about this computer program, a huge amount of time and energy .A．would have been savedB．had been savedC．will be savedD．was saved

[单选题]The most [famous]chess player of the world can calculate faster than a comp

[单选题]( ) is permanently stored in the computer and provides a link between the h

[问答题]()I don't think he can operate the new type of computer.

[单选题]E-mail is one of the biggest threats（威胁）to your home computer. By understan

[单选题]E-mail is one of the biggest threats（威胁）to your home computer. By understan