2. 外语
  3. The use of nuclear power has already spread all over the world.【C1】______, scientists still have not agreed【C2】______What should

The use of nuclear power has already spread all over the world.【C1】______, scientists still have not agreed【C2】______What should

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问题     The use of nuclear power has already spread all over the world.【C1】______, scientists still have not agreed【C2】______What should be done with the large amounts of waste material that【C3】______to increase every year.  Most waste materials are【C4】______of simply by placing them somewhere.  But nuclear waste must be【C5】______with great care. It gives off dangerous【C6】______and will continue to be【C7】______for hundreds, thousands, even millions of years.
    How should we get rid of such waste material in【C8】______a way that it will not【C9】______the environment?  Where can we【C10】______distribute it? One idea is to put this radioactive waste inside a thick container,【C11】______is then dropped to the deep bottom of the ocean.【C12】______some scientists believe that this way of【C13】______nuclear waste could kill fish and other living things in the oceans or【C14】______with their growth. Another way to【C15】______nuclear waste is to send it into space, to the sun, where it would be  82  . Other scientists suggest that this polluting material be【C17】______thousands of meters under the earth’s surface.  Such underground areas must be【C18】______of possible earthquakes.  Advances  are being made. But it may still be. many years【C19】______this problem could finally be【C20】______
【C1】
选项 A、Moreover
B、However
C、Therefore
D、Otherwise
答案B
解析 逻辑衔接题。此处考查文章前两句之间的逻辑关系。文章讲到“核能已遍及全世界，______ 科学家对核废料的处理方式的认识仍未达成一致。”从句意可推断出这两—句之间应为转折关系，所以应选 B however。
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