Viruses can be transmitted by.
A: Booting a PC from an infected mediu.
B: executing an infected program.
C: pirated software and shareware.
D: All of the above.
A: Booting a PC from an infected mediu.
B: executing an infected program.
C: pirated software and shareware.
D: All of the above.
D
举一反三
- The most serious damage caused by the viruses is that ______. A: the computer's functions are lowered B: the normal programs are damaged C: all the information stored in the computer is gone D: the computer infected by the viruses can't be used any longer
- Which of the following can be inferred from the passage A: There are useful viruses as well as harmful ones. B: Many virus checking software is free of charge. C: Even if you take the advice, your computer may still be infected with viruses. D: Shut down your computer whenever there is a virus.
- The software of a CNC system consists of a part program, a service program and a control program.
- isafe from a disease, because you cannot be infected by it
- The World Health Organization says that the virus can ________ from an infected person to another in close contact. A: transplant B: transform C: transport D: transmit
内容
- 0
Living constantly in the atmosphere of slave, he became infected ______ the unconscious ______ their psychology. No one can shield himself ______ such an influence. A: on B: by C: from D: through
- 1
Tax increases ( ) all of us. A: affected B: effected C: infected D: defected
- 2
TB<br/>cannot be transmitted by ( ) A: droplet<br/>infection B: ingestion<br/>of infected milk C: droplet<br/>nuclei D: fomites
- 3
It can be inferred from the passage that all of the following are ways of producing new strains of influenza viruses EXCEPT _____.
- 4
19.People infected with COVID-19 can unknowingly _________ the disease to others. A: transport B: transmit C: transplant D: transform