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Difficulty: MediumAnalyzing Multiple-Meaning Words

During pre-flight inspections, maintenance technicians must thoroughly clean the aircraft's fuel filters to ensure they do not harbor microscopic particulate matter. If even minor debris accumulates within the housing, it can obstruct fuel flow and trigger catastrophic engine performance degradation at high altitudes.

Based on the context of the passage, which of the following is the most accurate meaning of the word "harbor"?

  1. A
    Provide a sheltered port for maritime vessels
  2. Hold or contain within a physical spaceAnswer
  3. C
    Obstruct and degrade mechanical performance
  4. D
    Maintain persistent hostile feelings

Answer

Hold or contain within a physical space
The passage discusses mechanical fuel filters and how microscopic particles can accumulate inside them. In this context, 'harbor' functions as a transitive verb meaning to shelter, hold, or contain within a physical structure. Substituting 'hold or contain within a physical space' maintains the logical integrity of the sentence.

Step-by-Step Solution

1
Analyze the syntactic and semantic context surrounding the target word in the passage
The target word 'harbor' acts as a verb where the subject is 'fuel filters' and the direct object is 'microscopic particulate matter.'
Understanding the grammatical relationship establishes that the word describes what the physical filter might do to debris.
2
Evaluate context clues that describe what happens inside the filter
The second sentence explains that 'debris accumulates within the housing,' indicating that harboring refers to retaining or containing debris inside.
Connecting 'accumulates within' provides the necessary synonym clue to confirm the intended contextual meaning.
3
Substitute candidate definitions into the sentence to verify logical and grammatical fit
The phrase 'ensure they do not hold or contain microscopic particulate matter' preserves the exact logical meaning of the passage.
Substitution confirms that secondary or unrelated primary meanings (such as maritime ports or emotional grudges) do not fit.

Key Concept

Analyzing Multiple-Meaning Words in Technical Context
Estimated Time:1m 0s
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Topics

Analyzing Multiple-Meaning Words

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