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Zorluk: OrtaEvaluating Inter-Passage Relationships and Function

Passage A
In the early 1920s, commercial aviation in the United States relied almost entirely on "contact flying"—pilots navigating by identifying rivers, railway lines, and towns from the cockpit. To enable night operations, the U.S. Post Office Department initiated the construction of the transcontinental lighted airway, a network of rotating acetylene beacons spaced along flight paths. These ground-based visual markers transformed airmail transport, proving that scheduled night flying was commercially viable. While primitive by modern standards, this illuminated network established the essential principle of designated air corridors and provided the operational backbone that allowed commercial aviation to expand rapidly before complex electronic systems existed.

Passage B
While visual light beacons offered a temporary solution for fair-weather night flight in the 1920s, they failed fundamentally whenever fog, low clouds, or heavy precipitation obscured the ground. The true breakthrough for reliable, all-weather commercial aviation arrived with the introduction of the Four-Course Radio Range system in the late 1920s. By transmitting directional radio signals that pilots listened to via audio tones in their headsets, radio navigation freed aviators from line-of-sight visual cues. Rather than merely extending daytime visual methods into the night as light beacons did, radio technology revolutionized aeronautics by establishing the paradigm of instrument flight, rendering visual ground infrastructure obsolete for long-distance transit.

Which choice best describes the relationship between the primary function of Passage A and the primary function of Passage B?

  1. Passage A details the development of an early visual navigation system, while Passage B contends that a later electronic innovation was more essential to establishing all-weather aviation.Cevap
  2. B
    Passage A critiques the flaws of visual flight techniques, while Passage B defends ground-based lighting networks against historical criticism.
  3. C
    Passage A outlines administrative postal policies in the 1920s, while Passage B describes the mechanical assembly of cockpit audio headsets.
  4. D
    Passage A and Passage B both evaluate how light beacons and radio signals were integrated into a single unified air safety system.

Cevap

Passage A details the development of an early visual navigation system, while Passage B contends that a later electronic innovation was more essential to establishing all-weather aviation.
The correct answer accurately captures the functional dynamic between the two texts: Passage A outlines how visual beacons provided the initial operational framework for night flying, while Passage B argues that radio navigation was the more critical breakthrough that enabled true all-weather instrument flight.

Adım Adım Çözüm

1
Analyze the primary function of Passage A
Passage A describes how the U.S. Post Office created a network of ground-based light beacons that allowed early commercial aviation to expand into night flying.
Understanding Passage A's purpose sets the baseline for inter-passage functional comparison.
2
Analyze the primary function of Passage B
Passage B acknowledges visual beacons as temporary but argues that radio range navigation was the true essential breakthrough that enabled all-weather instrument flight.
Identifying Passage B's core claim allows evaluating how it contrasts with or builds upon Passage A.
3
Synthesize the functional relationship between both passages
Passage A presents an early ground-based technology as a crucial stepping stone, while Passage B focuses on how subsequent radio technology overcame the inherent limitations of that earlier system.
Matching this comparative relationship to the choices leads directly to the correct answer.

Anahtar Kavram

Evaluating Inter-Passage Relationships and Rhetorical Functions
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Evaluating Inter-Passage Relationships and Function

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