Examkin

Question

Difficulty: Very hardPart-to-Whole Rhetorical Function

Urban forestry initiatives often prioritize planting deciduous trees to mitigate the urban heat island effect, citing their ability to provide shade and cool the air through evapotranspiration. However, municipal planners frequently overlook how seasonal canopy dynamics alter local wind patterns and wind-shear profiles. During winter months, when these trees shed their leaves, the reduction in aerodynamic drag allows ambient wind speeds to increase significantly at street level, potentially exacerbating wind-chill factors and structural wind loads in high-density areas. Consequently, a comprehensive assessment of urban thermal comfort must evaluate canopy characteristics across all seasons, rather than focusing solely on peak summer cooling.

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

  1. It identifies an overlooked consequence of a popular urban planning strategy, introducing an analysis that supports a final recommendation.Answer
  2. B
    It states the primary conclusion of the passage regarding the relationship between aerodynamic drag and street-level wind velocities.
  3. C
    It summarizes the overarching purpose of the passage, which is to demonstrate that deciduous trees are ineffective at mitigating the urban heat island effect.
  4. D
    It explains the motivations of municipal planners who deliberately choose to ignore winter wind safety in favor of summer cooling.

Answer

The correct answer is the option stating that the underlined sentence identifies an overlooked consequence of a popular urban planning strategy, introducing an analysis that supports a final recommendation.
The correct answer identifies the functional role of the underlined sentence. The passage begins by noting a common urban planning strategy (planting deciduous trees for cooling). The underlined sentence then introduces an overlooked factor (seasonal wind changes caused by these trees). The rest of the passage explains the consequences of this oversight (winter wind speed increases) and concludes with a recommendation for year-round canopy assessments. Thus, the underlined sentence introduces a complication that the rest of the text analyzes to support its final recommendation.

Step-by-Step Solution

1
Analyze the underlined sentence in its local context.
The underlined sentence states that planners overlook how seasonal canopy changes affect local wind patterns, contrasting this with the focus on summer cooling described in the first sentence.
This establishes that the sentence acts as a transition, introducing a limitation or complication to the current practice.
2
Examine the sentences following the underlined portion.
The subsequent sentences explain the physical consequences of the overlooked factor (winter wind speed increases and wind loads) and conclude with a recommendation to evaluate canopies in all seasons.
This shows that the underlined sentence sets up the specific details and analysis that lead directly to the final recommendation.
3
Match the transition and introductory role of the underlined sentence to the correct option.
The option stating that the sentence identifies an overlooked consequence of a popular strategy and introduces the subsequent analysis and recommendation is correct.
This accurately reflects both the content of the underlined sentence and its rhetorical function within the passage's argument structure.

Key Concept

Identifying how a specific sentence transitions between ideas and establishes the premise for subsequent analysis and recommendations.
Rate this question

Topics

Part-to-Whole Rhetorical Function

More questions from this topic