Question:
Directions: Replace the number with the word(s) that best fit(s) the meaning of the passage as a whole. Choose the best option for the blank marked (48).
It is _____ (46) to read a book about our planet by an author who does not allow facts to be _____ (47) by politics: well aware of the political disputes about the effects of human activities on climate and biodiversity, this author does not permit them to _____ (48) his comprehensive description of what we know about our biosphere. He emphasizes the enormous gaps in our knowledge, the _____ (49) of our observations, and the _____ (50) of our theories, calling attention to the many aspects of planetary evolution that must be better understood before we can accurately diagnose the condition of our planet.
Directions: Replace the number with the word(s) that best fit(s) the meaning of the passage as a whole. Choose the best option for the blank marked (48).
It is _____ (46) to read a book about our planet by an author who does not allow facts to be _____ (47) by politics: well aware of the political disputes about the effects of human activities on climate and biodiversity, this author does not permit them to _____ (48) his comprehensive description of what we know about our biosphere. He emphasizes the enormous gaps in our knowledge, the _____ (49) of our observations, and the _____ (50) of our theories, calling attention to the many aspects of planetary evolution that must be better understood before we can accurately diagnose the condition of our planet.
It is _____ (46) to read a book about our planet by an author who does not allow facts to be _____ (47) by politics: well aware of the political disputes about the effects of human activities on climate and biodiversity, this author does not permit them to _____ (48) his comprehensive description of what we know about our biosphere. He emphasizes the enormous gaps in our knowledge, the _____ (49) of our observations, and the _____ (50) of our theories, calling attention to the many aspects of planetary evolution that must be better understood before we can accurately diagnose the condition of our planet.
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The author is guarding his factual description against a harmful effect of political disputes, so the missing verb should describe something negative, not something that strengthens or clarifies the writing.
Updated On: Jul 20, 2026
- Analyse
- Garble
- Obscure
- Enhance
- Underscore
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The Correct Option is C
Solution and Explanation
Step 1: The sentence says the author, though aware of political disputes, does not permit "them" (the disputes) to [blank] his comprehensive description of the biosphere.
Step 2: Since the disputes are described as something the author actively resists, the missing verb must describe a harmful effect that political disputes could have on a clear, factual description.
Step 3: Evaluate the options. "Enhance" and "Underscore" both describe a positive or strengthening effect, which does not fit, since the author is guarding against something, not welcoming it. "Analyse" does not make sense here, since disputes do not "analyse" a description, that is not something political disputes do. "Garble" means to distort a message so it becomes confused, which is possible but is a slightly unusual collocation with a full, comprehensive account. "Obscure" means to make something unclear or hide it from view, which fits naturally with the idea of political noise clouding a clear, factual description.
Step 4: The most natural and precise fit for what the author prevents political disputes from doing to his description is to make it unclear, that is, to obscure it.
Answer: (c) Obscure
Step 2: Since the disputes are described as something the author actively resists, the missing verb must describe a harmful effect that political disputes could have on a clear, factual description.
Step 3: Evaluate the options. "Enhance" and "Underscore" both describe a positive or strengthening effect, which does not fit, since the author is guarding against something, not welcoming it. "Analyse" does not make sense here, since disputes do not "analyse" a description, that is not something political disputes do. "Garble" means to distort a message so it becomes confused, which is possible but is a slightly unusual collocation with a full, comprehensive account. "Obscure" means to make something unclear or hide it from view, which fits naturally with the idea of political noise clouding a clear, factual description.
Step 4: The most natural and precise fit for what the author prevents political disputes from doing to his description is to make it unclear, that is, to obscure it.
Answer: (c) Obscure
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