2. 考研
  3. Energy will be one of the defining issues of this century. One thing is clear: the era of【C1】______oil is over. What we all do n

Energy will be one of the defining issues of this century. One thing is clear: the era of【C1】______oil is over. What we all do n

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问题     Energy will be one of the defining issues of this century. One thing is clear: the era of【C1】______oil is over. What we all do next will determine how well we meet the energy needs of the entire world in this century and【C2】______
    Demand is soaring like【C3】______before. As populations grow and economies【C4】______, millions in the developing world are enjoying the benefits of a lifestyle that【C5】______increasing amounts of energy. In fact, some say that in 20 years the world will【C6】______40% more oil than it does today. At the same time, many of the world’s oil and gas fields are【C7】______. And new energy discoveries are mainly occurring in places where resources are difficult to【C8】______, physically, economically and even politically. When growing demand meets【C9】______supplies, the result is more【C10】______for the same resources.
    We can wait until a crisis forces us to do something.【C11】______we can【C12】______to working together, and start by asking the【C13】______questions: How do we meet the energy needs of the developing world and those of industrialized nations? What role will renewables and【C14】______energies play? What is the best way to protect our environment? How do we accelerate our conservation efforts?【C15】______actions we take, we must look not just to next year,【C16】______to the next 50 years.
    At Chevron, we believe that innovation, collaboration and conservation are the【C17】______on which to build this new world. We cannot do this alone. Corporations, governments and every citizen of this planet must be part of the solution as【C18】______as they are part of the problem. We【C19】______scientists and educators, politicians and policy-makers, environmentalists, leaders of industry and each one of you to be part of【C20】______the next era of energy.
【C13】
选项 A、novel
B、toxic
C、numerous
D、tough
答案D
解析 本题考查形容词修饰名词。“棘手的问题”英文应为“tough questions”。
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