单选题The prisoner ______ this way, for here are his footprints. A. should have escaped B. should escape C. must have escaped D. must escape

单选题The human brain contains 10 thousand million cells and each of these may have a thousand connections. Such enormous numbers used to discourage us and cause us to dismiss the possibility of making a machine with human-like ability, but now that we have grown used to moving forward at such a pace we can be less sure. Quite soon, in only 10 or 20 years perhaps, we will be able to assemble a machine as complex as the human brain, and if we can we will. It may then take us a long time to render it intelligent by loading in the right software (软件) or by altering the architecture but that too will happen. I think it is certain that in decades, not centuries, machines of silicon (硅) will arise first to rival and then exceed their human ancestors. Once they exceed us they will be capable of their own design. In a real sense they will be able to reproduce themselves. Silicon will have ended carbon's long control. And we wilt no longer be able to claim ourselves to be the finest intelligence in the known universe. As the intelligence of robots increases to match that of humans and as their cost declines through economies of scale we may use them to expand our frontiers, first on earth through their ability to withstand environments, harmful to ourselves. Thus, deserts may bloom and the ocean beds be mined. Further ahead, by a combination of the great wealth this new age will bring and the technology it will provide, the construction of a vast, man-created world in space, home to thousands or millions of people, will be within our power.

单选题Directions: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversation and the question will be spoken only once. After each question, there will be a pause. During the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer. Then mark the corresponding letter on the Answer Sheet with a single line through the centre.

单选题When the male elephant becomes an. adult, ______.

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单选题Ross ______the English word clearly, which makes his mother very proud.

单选题The game industry as part of the entertainment business is catching up fast with movies and TVs in terms of both popularity and yearly profit.

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单选题______ these changes we must revise our plan.

单选题Strange ______ it may seem, I never really wanted to be rich. A. which B. as C. who D. that

单选题His parents asked him to buy books ______ he found useful and necessary for his study.A) whicheverB) whateverC) wheneverD) however

单选题The easier the problems are,______ able to solve them.

单选题The bridge was named ______ the hero who gave his life for the cause of the people.A) afterB) withC) byD) from

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单选题According to the passage, when did modern bicycles first appear?

单选题Sometime in next century, the familiar early-morning newspaper on the front door will disappear. And instead of reading your newspaper, it will read to you. You'll get up and turn on the computer newspaper just like switching on the TV. An electronic voice will distribute stories about the latest events, guided by a program that selects the type of news you want. You' ll even get to choose the kind of voice you want to hear. Want more information on the brief story? A simple touch makes the entire text appear. Save it in your own personal computer file if you like. These are among the predictions from communications experts working on the newspapers of the future. Pictured as part of broader home-based media and entertainment systems, computer newspapers would unite print and broadcast reporting, offering news and analysis video images of news events. Most of the technology is available now, but convincing more people that they don't need paper to read a newspaper is the next step. But resistance to computer newspapers may be stronger from within journalism (新闻界). Since it is such a cultural change, it may be that the present generation of jounalists and publishers will have to die off before the next generation realizes that the newspaper industry is no longer a newspaper industry. Technology is making the end of traditional newspapers unavoidable. Despite technological advances, it could take decades to replace newsprint with computer screens. It might take 30 to 40 years to complete the changeover because people need to buy computers and because newspapers have established financial interests in the paper industry.

单选题A.Atsomewherewedon'tknow.B.Atthestorethemanrecommended.C.Atthefirstrightaftertherailroadbridge.D.Atthesecondrightaftertherailroadbridge.

单选题The reason ______ he didn't attend the meeting was not made clear.

单选题Mary spoke to her teacher with understandable pride in her past.

单选题The building ______ roof we can see is the Western Church. A. its B. which C. whose D. who's