Read the texts below. For questions (22–27) choose the correct answer (A,Б,В,Г).
What they discovered was surprising. Within ten kilometers of home, the pigeons relied less on their well-known talents for decoding the sun’s position or deciphering the Earth’s magnetic field (25)________ them navigate. Instead they opted for a habitual route that followed linear features in the landscape, such as roads, rivers, railways, and hedge lines – even when it wasn't the most direct way home. “It was almost comical,” says Guilford. “One pigeon followed a road to a roundabout, then exited onto a major road that led to a second roundabout. Others flew down the River Thames, only to make a (26)________ turn at a bridge.” Guilford suggests that sticking to a (27)________, linear route may actually make homing more reliable – and easier. “It made me smile to see it,” says Guilford. “You can imagine yourself flying along a road doing the same thing.”
№22. |