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settled and fewer in number. In recent centres, trade,industrialisation. the development of the 5 B. Balancing Our Daily Diet D. Cooking Well for Less C. Making yourself a Perfect Chef
nation-state and the spread
of universal compulsory education. Especially glbalisation and better communications in the past few decades,all have caused many Languages to disappear,and dominant languages such as English．Spanish and Chinese are increasingly taking over. At present, the world has about 6 800 languages. The distribution of these languages is hugely uneven. The general rule is that mild zones have relatively few languages. Often spoken by many people while hot. wet zones have lots, often spoken by small has only around 200 Languages: the
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Americas about 1,000. Africa 2 400; and Asia and the Pacific perhaps 3,200, of which Papua New Guinea alone accounts for well over 800. The median number (中位数)of speakers is a mere , which means that half the worlds languages are spoken by fewer people than Already well over 400 of the total of, 6,800 languages are close to extinction(消亡), with only a few elderly speakers left. Pick, at random, Busuu in Cameroon (eight remaining speakers),Chiapaneco in Mexico(150). Lipan Apache in the United States(two or three)or Wadjigu in Australia (one, with a question-mark): none of these seems to have much chance of survival. 28. What can we infer about languages in huntergatherer times? developed very fast.B. They were large in number. C. They had similar patters.D. They were closely connected 29. Which of the following best ？
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B. Advanced.30. How many languages are spoken by less than 6, 000 people at present? 6 8003 4001-200 31. What is the min idea of the text? A. New languages will be created. B Peoples lifestyles are reflected in languages C. Human development results in fewer languages D. Geography determines language evolution. D We may think we’re a culture that gets rid of our worn technology at the first sight of something shiny and new, but a new study shows that we keep using our old devices(装置) well after they go out of style. That’s bad news for 6 the environment —and our wallets — as these outdated devices consume much more energy than the newer ones that do the same things. To figure out how much power these devices are using, Callie Babbitt and her colleagues at the Rochester Institute of Technology in New
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York tracked the environmental costs for each product throughout its life —from when its minerals are mined to when we stop using the device. This method provided a readout for how home energy use has evolved since the early 1990s. Devices were grouped by generation —Desktop computers, basic mobile phones, and box-set TVs defined 1992. Digital cameras arrived on the scene in 1997. And MP3 players, smart phones, and LCD TVs entered homes in 2002, before tablets and e-readers showed up in 2007. As we accumulated more devices, however, we didn’throw t out our old ones. \\replaced and gets planted in the kids’ room, and suddenly one day, you have a TV in every room of the house,\\one researcher. The average number of electronic devices rose from four per household in 1992 to 13 in 2007. We’re not just keeping these old devices —we continue to use them.
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According to the analysis of Babbitt’s team, old desktop monitors and box TVs with cathode ray tubes are the worst devices with their energy consumption and contribution to greenhouse gas emissionsmore than doubling during the 1992 to 2007 window. So what’s the solution? The team’s data only went up to 2007, but the researchers also explored what would happen if consumers replaced old products with new electronics that serve more than one function, such as a tablet for word processing and TV viewing. They found that more on-demand entertainment viewing on tablets instead of TVs and desktop computers could cut energy consumption by 44%. 32. What does the author think of new devices? A. They are environment-friendly. C. They cost more to use at home. B. They are no better than the old. D. They go out of style quickly. 33. Why did
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18年高考全国卷1英语试题及答案
