PTE Reading
Re-order Paragraphs
1 questions. Answer them all, then submit once for your section score.
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1.
Re-order Paragraphs
Arrange the sentences into the correct order.
Put the sentences in the correct order:
- As a result, cities that adopted the sensors reported significant drops in electricity costs without any complaints about safety.
- This design allows a lamp to run at a fraction of its full power for most of the night while still lighting the way whenever it is needed.
- When the sensor detects movement, the light brightens instantly and then dims again once the street is empty for a set period.
- To address this, engineers began fitting lamps with motion sensors that could detect an approaching car or pedestrian.
- Early streetlights burned at a constant brightness all night, wasting energy on empty roads long after traffic had thinned.