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Difficulty: MediumInferring Meaning from Examples and Explanations

Read the following passage from a telecommunications technical manual. Based on the explanatory details and illustrative examples in the text, fill in the blank with the appropriate word that describes the technician's action.

Answer:During high-density fiber-optic network maintenance, telecommunications technicians must frequently 【splice】 severed communication lines. Rather than replacing entire conduit runs across municipal infrastructure, technicians utilize precision fusion arc welders to melt glass cores together or install mechanical alignment sleeves that permanently join the broken fiber ends to restore continuous signal transmission. By linking these microscopic optical pathways with minimal insertion loss, crews ensure immediate restoration of high-speed data flow.

Answer

splice (or accepted synonyms such as fuse, join, connect, reconnect)
The term 'splice' (along with acceptable equivalents like 'fuse' or 'join') is directly defined through the explanatory details that follow the target sentence: technicians melt glass cores together, utilize alignment sleeves to permanently join broken fiber ends, and link the optical pathways to restore signal continuity.

Step-by-Step Solution

1
Identify the target blank's grammatical role and surrounding context.
The blank requires a transitive base verb describing what technicians do to severed communication lines.
Understanding the grammatical structure ensures that the inferred meaning fits seamlessly into the sentence.
2
Examine the illustrative examples and explanatory clauses provided in the passage.
The author provides concrete examples: using fusion arc welders to 'melt glass cores together,' employing sleeves to 'permanently join the broken fiber ends,' and 'linking these microscopic optical pathways.'
These context clues define the exact mechanical process being described.
3
Synthesize the contextual clues to determine the exact action.
Joining severed ends together into a single continuous pathway corresponds to splicing (or fusing/joining).
The passage explicitly contrasts this action with full cable replacement, confirming the term means repairing by joining.

Key Concept

Inferring technical action verbs from supporting illustrative examples and explanatory clauses.
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Inferring Meaning from Examples and Explanations

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