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    Question

    In the questions given below, a part of the sentence

    is given in bold. Below each sentence, some phrases are given which can substitute the bold part of the sentence. Identify the phrase which can correctly substitute the bold part of the sentence. If the sentence is correct as it is, the answer should be ‘no improvement is required’. New environmental challenges and renewed understandings of ecosystems enrich the need to recalibrate rural water policies.
    A underscore Correct Answer Incorrect Answer
    B enliven Correct Answer Incorrect Answer
    C refine Correct Answer Incorrect Answer
    D no improvement is required Correct Answer Incorrect Answer

    Solution

    Explanation: The verb "enrich" means to enhance or improve something by adding value, which does not fit the context of emphasizing a need. "Underscore" means to highlight or emphasize, which correctly conveys the idea that environmental challenges stress the importance of recalibrating water policies. "Enliven" means to make something more lively or spirited, which is incorrect here. "Refine" means to make improvements or adjustments, but it does not convey the idea of emphasizing a need. "No improvement is required" is incorrect because "enrich" does not fit well in this context.

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