Main Idea · Your Turn

What Covers It All?

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Test every option against the whole paragraph.

Many desert buildings use light-colored roofs. The pale surface reflects more sunlight than a dark roof and absorbs less heat. As a result, rooms below stay cooler, and air-conditioning systems use less energy. Which sentence best states the main idea?

Slide 26

Tips

What Covers It All?

  1. La opción correcta reúne color del techo, calor y energía. No se queda en un solo detalle.
  2. Every y only hacen afirmaciones absolutas que el pasaje no sostiene.