题目内容
（请给出正确答案）
The main purpose for the author to write this passage is ______.
A．to introduce a new technology called VOIP
B．to inform. that IP phone calls are sometimes quite awful
C．to tell us that IP calls are dependent on personal computers
D．to compare the IP calls with the traditional phone calls
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更多“The main purpose for the autho…”相关的问题
A．飞机在没有空气的太空里不能飞行。
B．太空里没有空气，飞机在那不能飞行。
C．一架飞机在没有空气的太空里不能飞行。
D．一架飞机在没有空气的外部太空里不可能飞行。
B．She had a traffic accident.
C．There was something wrong with her car.
D．The road was traffic-jammed.
(16)
A．He likes papers.
B．He likes examinations.
C．He likes his ID card.
D．He is happy.
A．alter
B．convert
C．is not started
D．not be started
A．they wanted to give students a change from the only voice in this busy week
B．they wanted to have a very experienced lecturer to host the course
C．it would be a very concentrated week
D．there were two sessions on "Voice" and "Reading Aloud"
A．daily necessities
B．domestic servants
C．medical operations
D．daily housework
A．can hear the author's instructions
B．are all devices used in the kitchen
C．are useless without the help of computers
D．are invented for the life in the 21st century
Directions: After reading the following passage, you will find 5 questions or unfinished statements, numbered 36 through 40. For each question or statement there are 4 choices marked A, B, C, and D. You should make the correct choice.
Peering into the 21st century, authorities on the future see extraordinary changed. New scientific breakthroughs will allow machines to take on more tasks that human brain has traditionally done.
Computers, which once only remembered data, will make more decisions. Machines that today tell doctors what symptoms the patients have may soon be recommending whether or not to perform. surgery as well. Others will design new buildings after questioning buyers about their preferences. Increasingly, human thought processes and even values are being programmed into computers, according to Earl Joseph, president of a consulting firm. "Imagine machines which are smarter and more intelligent than humans and, with their embedded(植入的) initiative, can't wait to tell you about it," he says.
In everyday life, the future will mean talking directly to computers without pushing buttons. Just tell a toaster, stove or other kitchen device what to do, and it will hear the message. The oven may even decide itself how long to cook the roast. Tell the television, "I want to watch Channel 12 at 8 p.m., but store the show for next week," and the job will be done.
The computer will talk back, too. Already some soft-drink machines complain loudly if you don't deposit enough cash. At home, a bedside machine may someday tell you, "You forgot to turn off the basement light."
Away from home, the automobile of the future will think for itself. Scientists predict that drivers will feed destinations into a computer that will then explain what route to take and even tell where parking spaces are available. A city's traffic-control system might instruct the car's computer how fast to go in heavy traffic and whether to change lanes.
This passage mainly discusses ______.
A．the history of computers
B．the different functions of computers
C．the computer in the 21st century
D．scientific breakthroughs in the 21st century
A．来自地球的光使我们能够明白月球上的一些地方是暗的。
B．来自地球的光使月球上的一些地方成为亮的，另外一些地方是暗的。
C．来自地球的光使我们能够看到月球上的一些地方，但是月亮的另一部分是黑暗的。
D．来自地球的光使我们能够看到月球上的一些地方。否则的话，这些地方是黑暗的。
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