ACT English Practice Question #1329 (Medium (32)) | Test Citadel
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ACT English Difficulty: Medium (32)

Digital ACT English Practice Question #1329

Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.

Choose the best option for the underlined portion: The aerospace engineers faced a formidable engineering constraint, the structural composite had to withstand atmospheric re-entry temperatures exceeding 2,500 degrees Fahrenheit without losing tensile integrity.
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Colons require a complete sentence BEFORE the colon, and an explanation or list AFTER it.

Masterclass Solution & Distractor Trap Analysis

A colon must be preceded by an independent clause ('The aerospace engineers faced a formidable engineering constraint') and followed by an explanation, elaboration, or specification of that constraint. Option B executes this rule cleanly....

Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...

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