2. 外语
  3. By now, everyone knows you save energy by turning out lights. And you【S1】_____water by taking shorter showers. But it’s just as

By now, everyone knows you save energy by turning out lights. And you【S1】_____water by taking shorter showers. But it’s just as

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问题     By now, everyone knows you save energy by turning out lights. And you【S1】_____water by taking shorter showers. But it’s just as true that saving water may be one of the most【S2】_____ways to save energy—and vice versa. "It’s a ’ buy one, get one free’ deal," said Douglas Kenney, a professor at the University of Colorado Law School and the editor of an upcoming book that【S3】_____the nexus(关系)of water and energy.
    In California today, just delivering water【S4】_____for 20 percent of the state’s energy consumption. It takes power to gather water, purify water, and distribute water,【S5】_____in places like southern California where water is piped hundreds of miles to supply Los Angeles’ rising【S6】_____.
    Nationally, energy production sucks more water from freshwater【S7】_____than any other sector except agriculture. It takes water to create the power we use to drive our cars, transport our【S8】_____, and run our toaster ovens. Virtually every source of electricity in a【S9】_____American home or manufacturing plant— whether it comes from hydroelectricity, coal, natural gas, nuclear, biofuels, or even concentrated solar— also requires water. Lots of water.
    That’s a growing problem, because in many places, finding water for energy isn’t easy—and it’s bound to get tougher as energy demands soar and climate change【S10】_____hydrological cycles in already arid(干 旱的)regions. The energy sector is the fastest-growing water consumer in the United States, according to a January 2011 Congressional Research Service report.
A)typical F)demands K)especially
B)explores G)alters L)groceries
C)conserve H)generally M)responsible
D)effective I)sources N)considerably
E)reserve J)efficient O)accounts
【S2】
选项
答案D
解析 形容词辨析题。由空格前的most和空格后的名词ways可判定此处应填入形容词构成最高级。下文中Douglas Kenney说这是一桩“买一送一”的买卖，表明节水与节能之间是互利的关系。由此推断，节水是节能最有效的方式之一，故effective“有效的”符合句意。
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大学英语四级

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