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Soru

Zorluk: KolayNegative Detail Identification

Read the following passage regarding emergency signaling equipment:

A military signal mirror is a compact survival tool designed to reflect sunlight toward rescue aircraft or search teams. Constructed from durable glass or polished stainless steel, the mirror features a specialized retroreflective aiming hole in its center. When looking through this center aperture, an operator sees a bright red target dot indicating precisely where the reflected flash is aimed. Flashes from the mirror can be seen from up to twenty miles away on clear days. Unlike electronic locator beacons, the mirror requires no battery power and operates indefinitely under daylight conditions.

Match each statement regarding the signal mirror with its correct factual status based on the passage.

  • The sighting mechanism uses a central aperture to produce a red dot for precise targeting.Directly supported by the text as a built-in optical aiming feature
  • The signaling device requires battery power to illuminate its aiming sight.Directly contradicted by the text because the tool functions without any battery power
  • The reflected sunlight flashes can be detected from a maximum distance of twenty miles on clear days.Directly supported by the text as the maximum visual range in clear daylight

Cevap

Match the targeting red dot statement with the directly supported optical aiming feature; match the battery requirement statement with the directly contradicted status showing the tool requires no battery power; and match the twenty-mile visibility claim with the directly supported maximum visual range.
The correct matches accurately separate the verified factual details from the negative detail. The statement about the central aperture and red target dot is explicitly supported by the sentence detailing the aiming hole. The statement claiming a battery requirement is a negative detail that is directly contradicted by the explicit mention that the device requires no battery power. The statement regarding the twenty-mile visual range matches the exact distance stated in the passage.

Adım Adım Çözüm

1
Scan the passage for the aiming mechanism description.
The text confirms that an operator looking through the center aperture sees a bright red target dot showing where the flash is aimed.
This establishes that the statement describing the red dot targeting feature is directly supported by the passage.
2
Scan the passage for energy and power requirements to evaluate the negative detail.
The text explicitly notes that the mirror requires no battery power, unlike electronic beacons.
This confirms that the statement asserting a battery requirement is false and directly contradicted by the text.
3
Locate the quantitative range detail in the passage.
The passage mentions that flashes can be seen from up to twenty miles away on clear days.
This confirms that the twenty-mile visibility statement is directly supported by the passage.

Anahtar Kavram

Negative Detail Identification in Technical Texts
Tahmini Süre:45s
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Konular

Negative Detail Identification

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