easy · GMAT Verbal
A city installed motion-sensor lights along its main bike path. The lights turn on only when a cyclist approaches, then dim after a few minutes. City officials say this cut the path’s electricity use by nearly half. Cyclists have generally praised the change.
According to the passage, how do the new lights behave?
- They turn on when a cyclist approaches and dim after a few minutes.
- They stay on continuously throughout the night regardless of traffic.
- They turn off completely once a cyclist passes.
- They only work during daylight hours.
- They are controlled manually by city workers.
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