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Difficulty: HardPart-to-Whole Rhetorical Function

In historical linguistics, the comparative method has long been the standard for reconstructing ancestral languages. However, some researchers argue that this approach overemphasizes regular sound correspondences at the expense of lexical diffusion—the process by which words change phonetic shape one by one. To address this, computational linguist Dr. Aris Thorne simulated vocabulary evolution in isolated communities, finding that while phonological rules account for the majority of changes, highly frequent words consistently resist these rules through semantic reinforcement. This suggests that historical reconstructions must integrate statistical models of word usage to fully map linguistic divergence. Consequently, relying solely on sound laws may paint an incomplete picture of how dialects split over time.

Which choice best describes the function of the underlined sentence in the text as a whole?

  1. A
    It outlines the main conclusion of the passage regarding how historical reconstructions should be conducted.
  2. B
    It presents evidence showing that highly frequent words are more susceptible to phonological rules than infrequent words are.
  3. It describes a scientific investigation that examines the relationship between the two processes of linguistic change introduced earlier in the passage.Answer
  4. D
    It argues that computer simulations will eventually replace the comparative method as the primary tool for historical reconstruction.

Answer

The correct answer is the option stating that the underlined sentence describes a scientific investigation that examines the relationship between the two processes of linguistic change introduced earlier in the passage.
The underlined sentence describes a simulation conducted by Dr. Thorne to investigate vocabulary evolution. This simulation directly addresses the tension mentioned in the previous sentences between regular sound correspondences and lexical diffusion, which are two different processes of language change. Therefore, it functions as a description of a scientific investigation examining the relationship between these two processes.

Step-by-Step Solution

1
Identify the two linguistic processes discussed in the opening sentences.
The comparative method's focus on regular sound correspondences is contrasted with the process of lexical diffusion.
This establishes the context and the tension that the underlined sentence aims to investigate.
2
Analyze the content and role of the underlined sentence.
It describes a simulation of vocabulary evolution by Dr. Thorne, observing how phonological rules and highly frequent words (lexical diffusion) behave.
This details an empirical study analyzing how the two previously mentioned processes of linguistic change interact.
3
Evaluate how the underlined sentence functions within the passage as a whole.
The study's finding provides the transition and empirical basis for the subsequent conclusion that statistical models must be integrated.
This confirms that the sentence functions as a description of an investigation examining the relationship between the processes.

Key Concept

Part-to-Whole Rhetorical Function
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Topics

Part-to-Whole Rhetorical Function

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