A fire drill run at the same time every month teaches employees the exit route but little else, because everyone already knows it is coming. Safety officers who study evacuation behavior argue that the value of a drill lies almost entirely in its unpredictability: an evacuation announced in advance measures only whether people can walk to a door, not whether they can find one during confusion, smoke, or a blocked stairwell. A small number of workplaces now run unannounced drills that simulate a blocked primary exit, forcing employees to locate and use a secondary route they may never have walked before.
The passage is mainly concerned with
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Correct answer to question 77 (Paragraph Comprehension): arguing that predictable drills teach less than unpredictable ones
Method
The passage's central claim is that a drill's value lies in its unpredictability, and it contrasts predictable drills with unannounced ones that test real decision-making, matching the fourth choice.
Updated: November 2026
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