专升本考试(计算机)单项选择题每日一练(2018.12.26)

A.Shift
B.Ctrl
C.Alt
D.Space

A.GHz
B.GB
C.bps
D.MB/s

A.=Sheet1$A1+Sheet2$B2
B.=Sheet1!A1+Sheet2!B2
C.Sheet1$A1+Sheet2!B2
D.Sheet1!A1+Sheet2$B2

A.ROM
B.FROM
C.RAM
D.CD-ROM

A.隐藏
B.只读
C.共享
D.存档