Luyện đề: The hunt for sunken settlements and ancient shipwrecks IELTS LISTENING SECTION 4

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Questions 31-40
Complete the notes below. Write ONE WORD ONLY for each answer.

The hunt for sunken settlements and ancient shipwrecks

ATLIT-YAM

  • was a village on coast of eastern Mediterranean
  • thrived until about 7,000 BC
  • stones homes had a courtyard
  • had a semicircle of large stones round a 31…………………
  • cause of destruction unknown – now under the sea
  • biggest settlement from the prehistoric period found on the seabed
  • research carried out into structures, 32………………… and human remains

TRADITIOINAL AUTONOMOUS UNDERWATER VEHICLES (AUVs)

  • used in the oil industry, e.g. to make 33………………….
  • problems: they were expensive and 34…………………..

LATEST AUVs

  • much easier to use, relatively cheap, sophisticated

Tests:

  • Marzamemi, Sicily: found ancient Roman ships carrying architectural elements made of 35………………

Underwater internet:

  • 36……………… is used for short distance communication, acoustic waves for long distance
  • plans for communication with researchers by satellite
  • AUV can send data to another AUV that has better 3…………………, for example

Planned research in Gulf of Baratti:

  • to find out more about wrecks of ancient Roman ships, including
    • one carrying 38………………… supplies; tables may have been used for cleaning the 39…………………
    • others carrying containers of olive oil or 40…………………

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