Set 13: Form, Structure & Sense (Advanced)
Explanation
PASSAGE
Unlike reptiles, _______ maintain a constant body temperature regardless of their environment.
Which choice completes the text so that it conforms to the conventions of Standard English?
Detailed Answer Explanation
This question tests your understanding of sentence function and text organization. The comparison 'Unlike reptiles' must be followed by a noun that can be logically compared to reptiles. 'Mammals' creates a parallel comparison between two groups of animals. Each sentence in a well-constructed text serves a specific purpose. Consider what role this sentence plays in the argument: does it introduce, support, contrast, or conclude an idea? Understanding why an author includes specific sentences helps you grasp the overall argument. Each sentence should serve a clear purpose: introducing ideas, providing evidence, acknowledging counterarguments, or drawing conclusions. Identify the role to understand the structure.
Key Evidence:
• "Unlike reptiles"
• "maintain a constant body temperature"
Why others are wrong: B ('It is mammals that' is awkward and doesn't maintain parallel structure with 'reptiles.'), C (Compares 'reptiles' to 'body temperature,' which is illogical.), A ('Mammals, which' creates an incomplete relative clause without a main verb continuation.).
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