Question

read the paragraph, then choose the word that best completes the sentence. firefighters do a great deal more than their job title suggests. in addition to fires, some firefighters must respond immediately to car accidents, medical crises, and natural disasters. some firefighters only fight forest fires. this demanding work often involves creating fire lines that cut off the fires fuel and prevent its spread. to create them, firefighters remove trees and vegetation in the path of the flames. some firefighters parachute into remote locations to control forest fires. they are called \smoke jumpers.\ other firefighters are trained to handle emergencies involving dangerous materials. these firefighters may clean up oil spills or contain releases of toxic chemicals. they face a high risk of injury from the inhalation of poisonous fumes. firefighters often perform ______ work.
a informal
b specialized
c symbolic
d geological

Explanation:

The paragraph describes various specific tasks firefighters do, like creating fire - lines, parachuting into remote areas, handling dangerous materials. This shows they have specialized skills and tasks.

Answer:

B. specialized