[单项选择]Computer （）is a complex consisting of two or more connected computing units，it is used for the purpose of data communication and resource sharing.
A. storage
B. device
C. network
D. processor

[单项选择](73) is a complex consisting of two or more connected computing units, it is used for the purpose of data communication and resource sharing.
A. Computer network
B. Computer device
C. Computer processor
D. Computer storage

[单项选择]Computer （ ） is a complex consisting of two or more connected computing units, it is used for the purpose of data communication and resource sharing.
A. storage
B. device
C. network
D. processor

[单项选择]Computer ______ is a complex consisting of two or more connected computing units, it is used for the purpose of data communication and resource sharing.
A. storage
B. device
C. network
D. processor

[单项选择]______ computer is more essential to a modem business than typewriter.
A. The, the
B. /, /
C. A, the
D. The, a

[单项选择]The laptop computer is becoming more and more popular because it is ______.

[单项选择]75______computer is more essential to a modern business than ______ typewriter.
A. The, the
B. /, /
C. A, the
D. The, a

[单项选择]Computer systems consist of two very different types of elements:Hardware, which includes all the physical things that can be touched and （71） ,which tells the hardware how to do.
A. Operating system
B. I/O devices
C. Courseware
D. Software

[单项选择]（）enables a computer processor to process two sets of instructions at the same time.
A. Multi-tasking
B. Hyper-threading
C. Hyper-caching
D. Caching

[单项选择]Symbolism and complex narrative are employed more richly in D. H. Lawrence’s ________, which are generally regarded as his masterpieces.
A. Women in Love; Sons and Lovers
B. The Rainbow; Women in Love
C. Sons and Lovers; Lady Chatterley’s Lover
D. Lady Chatterley’ s Lover; The Rainbow

[单项选择]Within two days, the army fired more than two hundred rockets and missiles at military ______ in the coastal city.
A. goals
B. aims
C. targets
D. destinations

[单项选择]As computer systems become even more sophisticated, the methods of those who exploit the technology.
A. so too do
B. as well as
C. likewise
D. therefore

[单项选择]以下关于 CISC （Complex Instruction Set Computer ,复杂指令集计算机）和 RISC（Reduced Instruction Set Computer,精简指令集计算机）的叙述中，错误的是（）。
A. 在 CISC中，其复杂指令都采用硬布线逻辑来执行
B. 采用 CISC技术的 CPU，其芯片设计复杂度更高
C. 在 RISC中，更适合采用硬布线逻辑执行指令
D. 采用 RISC技术，指令系统中的指令种类和寻址方式更少

[单项选择]以下关于 CISC（Complex Instruction Set Computer，复杂指令集计算机）和 RISC（Reduced Instruction Set Computer，精简指令集计算机）的叙述中，错误的是（ ）。
A. 在 CISC中，其复杂指令都采用硬布线逻辑来执行
B. 采用 CISC技术的 CPU，其芯片设计复杂度更高
C. 在 RISC中，更适合采用硬布线逻辑执行指令
D. 采用 RISC技术，指令系统中的指令种类和寻址方式更少

[单项选择]More than two hundred years ago the United States ______ from the British Empire and became an independent country.
A. got off
B. pulled down
C. broke away
D. dropped off

[单项选择]

Passage Two Clifford Stoll ran a computer system in Berkeley, California. As a system administrator, he kept a close eye on the records. One day, Stoll found something strange in the payment record. There was a 75 cents mistake. One of the thousands of users had used the system for 75 cents worth of time and not paid for it. It might sound like very little money to worry about. But that 75 cents was the first clue Stoll had to a much bigger problem--that a hacker had broken into Stoll’ s computer system. Who was it Stoll spent the next year trying to find out. During that time the hacker used the system in Berkeley as a starting point to break into military computer systems all over the United States. Stoll had to keep track of the hacker’s activities on the computer without the hacker’ s knowing someone was watching him. Stoll even made up huge files of false information so the hacker would have lots to read. When the hacker spent long time reading, the
A. student
B. hacker
C. manager
D. professor