A research on conserving whales in the US (Dictation)

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III. A research on conserving whales in the US (Dictation)

Questions 31-40

Complete the notes below

Write ONE WORD ONLY for each answer

A research on conserving whales in the US

  • In the USA, particularly in Massachusetts Bay, whale-ship collisions increased after a 31.................. was built by Accelerate Energy. Initial efforts to alert ships involved aircraft-based warnings, but these failed during 32.................. and when whales were not near the 33..................
  • To better track whale movements, researchers developed a “pop-up hydrophone,” consisting of a microphone and hard drive powered by 34.................. Originally encased in glass, they later switched to 35.................. for durability. These devices were anchored by a 36.................. and remained underwater for months, recording whale sounds. Scientists could determine the whales’ 37.................. based on these calls.
  • However, delayed data meant this method wasn’t effective enough. A better solution was the auto-detection hydrophone, which stays at the surface using a 38................... Its computer and hydrophone are linked by a 39.................. cable to minimize noise. This system transmits real-time data, allowing ships to be warned and reduce their 40.................., effectively lowering collision risks. >> IELTS TUTOR lưu ý: Bài sửa đề thi 22/8"Many companies nowadays sponsor sport as a way of advertising themselves. Some people think that it is good for the world of sport. Others say there are disadvantages. Discuss both view and give opinion"HS đi thi đạt 7.0 IELTS WRITING

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