Passage: "Typhoon preparedness begins long before a storm arrives. Families are advised to prepare a go-bag containing water, food that does not need cooking, a flashlight, a whistle, medicines and copies of important documents. They should also know the evacuation centre nearest their home and the safest route to reach it. When authorities order a pre-emptive evacuation, residents of high-risk areas should leave early, while roads are still passable, rather than wait until floodwaters rise." As used in the passage, the word "pre-emptive" means:
Correct answer: C. Done in advance to prevent harm
A pre-emptive evacuation takes place before the danger arrives, to prevent harm. The prefix "pre-" means before, a useful clue in vocabulary-in-context items.
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