2. 外语
  3. Read the following text and decide which answer best fits each space. For questions 26~45, mark one letter A, B, C or D on y

Read the following text and decide which answer best fits each space. For questions 26~45, mark one letter A, B, C or D on y

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问题     Read the following text and decide which answer best fits each space.
    For questions 26~45, mark one letter A, B, C or D on your Answer Sheet
                            Nuclear Age
    The Oyster Creek nuclear plant in New Jersey opened when the Beatles were still together, and since 1969 its single 645MW boiling-water reactor has provided enough energy to power 600,000 homes annually. But the oldest nuclear plant in the U.S. will be retired a little【C1】______Last year its owner, Exelon. announced that it would【C2】______Oyster Creek in 2019, 10 years ahead of schedule. The reason: the【C3】______plant costs too much to keep running【C4】______.
    The Fukushima Daiichi nuclear disaster has focused new attention on the【C5】______future of the American atomic sector. But the U.S. nuclear industry was already facing a very【C6】______problem: its aging fleet of reactors. Nuclear plants were built with 40-year licenses that can theoretically be【C7】______to 60 or even 80 years. Half the country’s 104 reactors are more than 30 years old and【C8】______middle age. So far, 62 plants have been【C9】______20-year extensions, and 20 more have applications pending【C10】______like the one in Fukushima, the oldest plants in the U.S.
    【C11】______to have fewer safety measures. If regulators crack down, operators could【C12】______-as Exelon did with Oyster Creek — that upgrading is not worth the【C13】______and shut down the plants If no new nuclear plants are built to【C14】______them, nuclear could fade into obsolescence.
    Ironically, that could have【C15】______environmental effects. A report by the Breakthrough Institute, an energy think tank, found that replacing all U.S. nuclear【C16】______a mix of coal and gas would raise carbon【C17】______9% by 2030. "We need to understand that there would be【C18】______to pulling back on nuclear," says Michael Levi, a senior fellow for energy and the environment at the Council on Foreign Relations.【C19】______a great athlete, nuclear power may be【C20】______after it retires.
【C10】
选项 A、But
B、Therefore
C、Although
D、when
答案A
解析 空格前说美国一半的核电站被核准或待获准延长试用期，空格后说美国最老的核电站和Fukushima一样，没什么安全保障措施，可见上下句之间是转折关系，故选A。
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