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    Question

    Each of the Following questions presents a word in

    bold, followed by three sentences using that word. The word may be used correctly or incorrectly in each sentence. Select which sentence(s) use the word correctly by marking the option that corresponds to your answer. Word: Pernicious I) The pernicious weed spread quickly and destroyed the crops. II) His pernicious smile made everyone feel welcomed and happy. III) The pernicious effects of pollution are visible in the cityтАЩs poor air quality.
    A Only I Correct Answer Incorrect Answer
    B Only II Correct Answer Incorrect Answer
    C Only III Correct Answer Incorrect Answer
    D All Correct Answer Incorrect Answer
    E Only I and III Correct Answer Incorrect Answer

    Solution

    тАв I) The pernicious weed spread quickly and destroyed the crops. This sentence correctly uses "pernicious" to describe something that is harmful or destructive. A weed that destroys crops is indeed pernicious. тАв III) The pernicious effects of pollution are visible in the cityтАЩs poor air quality. This sentence is also correct. "Pernicious" accurately describes the insidious and damaging effects of pollution on a city's environment. тАв II) His pernicious smile made everyone feel welcomed and happy. This is an incorrect use of the word. "Pernicious" has a negative connotation, meaning something that is harmful or has a very damaging effect, often in a gradual or subtle way. A smile that makes people feel "welcomed and happy" is the opposite of pernicious.

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