2. 外语
  3. The population of the United States is only 6% of the world’s population, but Americans 【21】______ one third of all the ener

The population of the United States is only 6% of the world’s population, but Americans 【21】______ one third of all the ener

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问题      The population of the United States is only 6% of the world’s population, but Americans  【21】______    one third of all the energy  【22】______    in the world. This fact alone says that Americans need to use less energy. And because the price of energy had been rising very rapidly  【23】______    the limited supplies of oil in particular, Americans are becoming aware to the need to  【24】______    energy. In California we have a California Energy Commission which has set up in the past five years to  【25】______    plan for our future energy use. We have  【26】______    laws in California to help us conserve energy. First of all, our houses in California have been very  【27】______    of energy in the past. They were not  【28】______    very carefully and so the heat would go out of the house very rapidly. Now we require that the homes have a  【29】______    level of insulation, and so the homes built now are much more  【30】______   .
     【31】______   , in transportation  【32】______    a large percentage of oil energy is used, we need to develop more public transportation. In China, of course you have a very good public transportation system. And it is a (n)  【33】______    for the kind of thing we need to develop more in the United States. Automobiles are also becoming more  【34】______   . The smaller automobile with efficient engine can help to conserve a large amount of energy along with planning our  【35】______    more carefully.
     Many different studies have shown that we could  【36】______    our energy consumption by  【37】______    half or two thirds and still have the  【38】______    quality of life. And many different types of technologies are currently being researched as to  【39】______    they can be built to use  【40】______    energy and still supply the same service.
【29】
选项 A、largest
B、smallest
C、maximum
D、minimum
答案C
解析 本题考查上下文理解。因为房屋的绝缘隔热设备不是很完善，造成了能源的浪费。所以法律对各家安装隔热设备的隔热功能应该是按最大限度提出要求。正确答案是maximum。
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