According to the author, computer security is ______. A.a program B.a technique C.a computer sys
According to the author, computer security is ______.
A.a program B.a technique
C.a computer system D.a method
According to the author, computer security is ______.
A.a program B.a technique
C.a computer system D.a method
第2题
According to the passage,the major disadvantage of newspapers in its_______
A.high cost
B.lack of changes
C.slow speed
D.lack of interaction
第4题
According to the passage, what material is required for lithography?
A.Rugged bark.
B.Coarse canvas.
C.Crinkled aluminum foil.
D.Smooth metal plate.
第5题
第6题
According to the passage, for many men talking is a means to get______.
A.information
B.understanding
C.encouragement
D.achievement
第7题
According to the passage, the group with the highest AIDS rate is_________ .
A. the white Americans
B. African-American men
C. the American women
D. the black American women
第8题
According to the passage, Halloween was probably first celebrated by______.
A.Americans
B.Canadians
C.Indians
D.Celts