2. 考研
  3. For most people Britain’s bouncing economy, now growing at its fastest for three years, is cause for cheer. Not,【C1】________for

For most people Britain’s bouncing economy, now growing at its fastest for three years, is cause for cheer. Not,【C1】________for

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问题     For most people Britain’s bouncing economy, now growing at its fastest for three years, is cause for cheer. Not,【C1】________for those who manage the country’s electricity power system. For them【C2】________growth means faster progress towards a critical situation. Ofgem, the energy regulator, has long【C3】________that the margin between peak electricity demand and【C4】________supply is falling. In June it said the margin would【C5】________from 14% in 2014 to just 4% in the winter of 2018, increasing the risk of blackouts【C6】________the weather turn cold or a power station or two【C7】________.
    Since that report Britain’s economy has grown fast. Ofgem’s assessment【C8】________that Britain would grow by about 1.6% in 2017. The Bank of England now【C9】________2.8% growth. This will【C10】________consumption. Over the past decade an increase in peak electricity demand of 0.5%【C11】________each additional percentage point of economic growth. John Feddersen of Aurora Energy Research thinks the capacity margin will therefore【C12】________to 2.6% by 2018 unless action is taken. That【C13】________into a one-in-seven chance of shortages, up from the one-in-twelve chance【C14】________was thought most likely last summer.
    Falling coal prices have kept Britain’s coal-fired power stations running at full【C15】________. That means many will have to close sooner than was【C16】________because European environ-mental laws【C17】________the total number of operating hours left to them. At the same time cheap coal has made electricity from gas un-competitive,【C18】________operators to put some gas-fired plants into long-term【C19】________. Renew-able capacity cannot yet make up the【C20】________.  
【C15】
选项 A、cost
B、blast
C、mean
D、purpose
答案B
解析 分析空格所在句可知，燃料成本下降促使燃煤发电厂运行加快，空格处需填入名词与at full组成习惯搭配，表示“快速发展”之意，故选B项blast，at full blast意为“以最大功率”。
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