2. 职称英语
  3. Air quality in Britain has improved considerably in the last thirty years. Total

Air quality in Britain has improved considerably in the last thirty years. Total

游客2024-11-17  18
问题 Air quality in Britain has improved considerably in the last thirty years. Total emissions of smoke in the air have risen by over 85 percent since 1950.
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答案 语义错误，应把risen改为dropped／decreased。
解析 第一句说“英国的空气状况在过去的三十年里有了相当大的改善”，所以第二句的意思应该是“烟雾排放量下降了85％”，而不是上升了。
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