2009年12月大学英语六级考试模拟考卷(恩波)

　　The Internet itself could help us to reduce our energy consumption. Video conferencing is just one example, says Koomey. " Moving electrons is always better than moving atoms," he says. What no one knows, however, is whether the technology has led to any significant reduction in travel, or whether uptake in video conferencing has actually increased our CO2 emissions.

　　注意：此部分试题在答题卡1上作答;8-10题在答题卡1上。

　　1. Human brain and the net are similar in that both of them .

　　A) have the same kind of consciousness

　　B) can be tested by engineering techniques

　　C) have the ability to handle information

　　D) can be described in qualitative terms

　　2. How does Francis Heylighen understand the consciousness of the net?

　　A) It will one day replace that of humans and try to find its own identity.

　　B) It makes information processed in an organized and productive way.

　　C) It is creating a step-by-step revolution in the development in the network.

　　D) It is a completely different technique in the field of artificial intelligence.

　　3. Heylighen predicts that a self-aware network will .

　　A) improve automatically its own knowledge and abilities

　　B) try to do better than its human counterparts

　　C) organize itself again in a totally different way

　　D) track down accurately the latest knowledge and information

　　4. What service can Cuil. com deliver to its users?

　　A) It provides information which can be found at Google.

　　B) It works on building the largest data base around the world.

　　C) It designs search engines for its users when asked.--.

　　D) It helps the users to search for the information they want.

　　5. Information black holes can be annoying because .

　　A) it's not easy to foretell their visits on the net

　　B) it usually dominates the net page as long as over two hours

　　C) it steals the users' account number for email box

　　D) it prevents the users from visiting the websites they like