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    Question

    The following question carries one statement with one blank. Choose the most appropriate word from the options to fill the blank.

    The scientist's groundbreaking research could ______ the

    way we understand climate change and its effects on the environment.
    A alter Correct Answer Incorrect Answer
    B prevent Correct Answer Incorrect Answer
    C ignore Correct Answer Incorrect Answer
    D delay Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    The context of the sentence indicates that the scientist's groundbreaking research has the potential to change or modify our understanding of climate change and its effects on the environment. "Alter" means to change or modify, which fits perfectly with the idea of changing our understanding. "Prevent" suggests stopping something from happening, which does not apply in this context. "Ignore" means to disregard or overlook, which is the opposite of enhancing understanding. "Delay" means to postpone or slow down, which is not relevant to changing understanding.

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