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________is important to our life．________in Shanghai's rivers is cleaner than before．


  1. A.
    The water，The water
  2. B.
    The water． Water
  3. C.
    Water，Water
  4. D.
    Water，The water
D
分析：不可數(shù)名詞表示泛指時前面不用冠詞，表示特指時前面用定冠詞。此處第一句是泛指概念的“水”；第二句是指上海河流里的水，是特指概念。
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