7

Set 12: Transitions (Intermediate)

Explanation

Answer: A

PASSAGE

Quantum computers use qubits that can exist in multiple states simultaneously, unlike classical bits that are either 0 or 1. This property, called superposition, allows quantum computers to perform certain calculations exponentially faster. _______ this same characteristic makes quantum systems extremely fragile and prone to errors.

Which choice completes the text with the most logical transition?

A. Paradoxically,✓ Correct
B. Similarly,
C. Therefore,
D. Meanwhile,

Detailed Answer Explanation

This question asks you to choose the transition that best connects two ideas. The same property (superposition) provides both the advantage AND the disadvantage. 'Paradoxically' highlights this ironic dual nature. Transitions signal the relationship between sentences or paragraphs. Determine the logical relationship (addition, contrast, cause-effect, example) and select the transition that accurately expresses it. The right transition makes the relationship between ideas crystal clear. Consider what logical connection exists: Is the second idea adding to the first? Contrasting it? Showing a result? The transition should accurately reflect this relationship.

Key Evidence:

• "perform certain calculations exponentially faster"

• "makes quantum systems extremely fragile"

Why others are wrong: C (Cause/effect - while true, 'paradoxically' better captures the irony.), B (Comparison - fragility contrasts with, not resembles, speed advantage.), D (Concurrent events - these are the same property, not parallel events.).

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