The device is currently being testedin a 6-metre-tall artificial clay embankment in Newcastle2, UK. Early resultssuggest it should provide fewer false positives than existing systems. Once ithas been carefully and thoroughly tested, the device could be used to create acomplete early-warning system for dangerous Slopes.
Locations with asignificant risk of landslides could definitely benefit from a machine likethis, says Adam Poulter, an expert at the British Red Cross. As long as itdoesnt cost too much, But, Poulter adds that an early-warning system may notbe enough on its own. You need to have the human communication, he says.Making systems that get warnings to those who need them can be difficult.
41. What does Such natural disasters in the first paragraph referto?
A Sudden, heavy rainfall.
B Earthquakes.
C Watererosion.
D Landslides.
42. Which of the following statements is trueof landslides?
A The initial movement is hard to spot.
B They startwith a movement of a few particles of soil or rock.
C They can bedestructive in a matter of hours or minutes.
D All of the above.
43.Why do researchers develop a new device to monitor signs of landsides?
ABecause the new device can measure the site directly.
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