Try to imagine what it is like to live without electricity. It is boring,【C1】______one thing—no television, no MP3 player, no vi

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问题     Try to imagine what it is like to live without electricity. It is boring,【C1】______one thing—no television, no MP3 player, no video games. And you feel【C2】______and disconnected as well—no computer, no Internet, no mobile phone. You can read books, of course—【C3】______at night you won’t have light, other than the flicker (闪烁) of firewood. And about that firewood—you or someone in your family had to【C4】______it during the day, taking you away from more【C5】______work or schooling, and in some parts of the world, exposing you【C6】______danger. That same firewood is used to cook dinner,【C7】______smoke that can turn the air inside your home far more【C8】______than that breathed in an industrial city. You may lack access to modern drugs【C9】______the nearest hospital does not have continuous【C10】______to keep the medicine refrigerated. You are【C11】______poor—and the lack of electricity helps to【C12】______that you’ll stay that way.
    That is life for the 1. 3 billion people around the【C13】______who lack access to the grid (电网). It is a【C14】______problem of the developing world and the countryside—more than 95% of【C15】______without electricity are either in sub-Saharan Africa or developing Asia, and 84% live in rural areas.【C16】______it hasn’t gotten the attention that【C17】______problems like HIV/AIDS and water shortage have【C18】______in recent years, lack of power remains a major【C19】______to any progress in the world’s development.
    " Lacking access to electricity【C20】______health, well-being and income," says Fatih Birol, the chief economist of the International Energy Agency. " It’s a problem the world has to pay attention to. "
【C16】

选项 A、Unless
B、Though
C、Until
D、Before

答案B

解析 连词辨义。本句被逗号分成了两个单句,逗号前面的单句说明电力短缺问题没有受到太大的重视,逗号后面的单句说明电力匮乏是一个很严重的问题,可以判断前后两个单句存在转折关系。因此,空格处需要填入一个能够表示转折的连词Though。Unless“除非”,引导条件状语从句,可以排除;Until“直到”,引导时间状语从句,可以排除;Before“在……之前”,引导时间状语,可以排除。
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