题目
In a computer, which of the following is the longest period?
A.Beat period
B.Machine period
C.Instruction period
D.CPU period
第1题
A.for which
B.of that
C.for that
D.of which
第2题
A.Which; /
B.It; that
C.As; as
D.It; which
第3题
A. The computer has locked up
B. Windows Update is running
C. The computer is in Safe Mode
D. The reset button is stuck
第4题
Which of the following elements can be called the key element of a computer?(71)
A.printer
B.CPU
C.mouse
D.keyboard
第5题
This is a () computer, which we just bought for our research.
A、detective
B、luggage
C、digital
D、grave
第6题
●In a computer,which of the following is the longest period? (66) .
(66) A.Beat period
B.Machine period
C.Instruction period
D.CPU period
第7题
第8题
A.that
B.what
C.which
D.those
第9题
A() is a computer commtuucation network in a local area, which connects various computers.
A.Intemet
B.MAN
C.WAN
D.LAN
第10题
A.that
B.which
C.when
D.what
第11题
A.that
B.which
C.when
D.what
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