According to the passage, shopping for most people ______.
A.is a flexible means of communicating
B.is not just a means to gaining an end
C.does not provide an alternative to physical enjoyment
D.provides a perfectly easy and efficient way of living
第1题
According to the passage, shopping for most people ______.
A.is a flexible means of communicating
B.is not just a means to gaining an end
C.does not provide an alternative to physical enjoyment
D.provides a perfectly easy and efficient way of living
第2题
●The (75)is designed specifically as a security system for preventing unauthorized communications between one computer network and another computer network.
(75)A.firewall
B.protocol
C.hacker
D.virus
第3题
A.set aside
B.put away
C.make up
D.account for
第4题
Which of the following is NOT a feature of the ideal companion machine?
A.Active in communication.
B.Attractive in personality.
C.Enjoyable in performance.
D.Unpredictable in behavior.
第5题
A、They lived out a natural life
B、They died of exhaustion after the long plane ride
C、They weren’t accustomed to the change in weather
D、They died due to lack of care by family members
第6题
Inside the computer, the operation system(of another software module called a data communication(71))must decide which program will get control next. Each program remember, is associated(72). a particular front -end port. If a program's data have not yet reached its front - end buffer, there is no point giving that program control. Thus the data communication monitor sends its own(73)signal to the front -end devices next port is polled. Note that the(74)computer speed. The computer never has to wait for a terminal or a communication line. Instead, it is the expressive front - end processor that waits for the slower system(75)to respond.
A.memory
B.control
C.monitor
D.charge
第8题
第9题
第10题
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