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Reading answers with explanations

IELTS · Part 2 · Cambridge 9 — Test 4

Tidal Power: Reading answers

Answers to questions 14–26 (13 in all), each with why it is right.

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Read the whole passage and answer in the exam interface, timed as on the day.

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The passage opens

Undersea turbines which produce electricity from the tides are set to become an important source of renewable energy for Britain.It is still too early to predict the extent of the impact they may have, but all the signs are that they will play a significant role in the future. A Operating on the same principle as wind turbines, the power in sea turbines comes from tidal currents which turn blades similar to ships propellers, but, unlike wind, the tides are predictable and the power input is constant.The technology raises the prospect of Britain becoming self-sufficient in renewable energy and drastically reducing its carbon dioxide emissions.If tide, wind and wave power are all developed,…

Answers 14–26

  1. 14

    the location of the first test site

    C Matching information

  2. 15

    a way of bringing the power produced on one site back into Britain

    E Matching information

  3. 16

    a reference to a previous attempt by Britain to find an alternative source of energy

    A Matching information

  4. 17

    mention of the possibility of applying technology from another industry

    C Matching information

  5. 18

    A: It is a more reliable source of energy than wind power. Multiple answer

  6. 19

    D: It would cut down on air pollution. Multiple answer

  7. 20

    E: It could contribute to the closure of many existing power stations in Britain. Multiple answer

  8. 21

    F: It could be a means of increasing national income. Multiple answer

  9. 22

    J: t is best produced in the vicinity of coastlines with particular features. Multiple answer

  10. 23

    maintenance Note completion

  11. 24

    slow / slow turning / slow-turning Note completion

  12. 25

    low pressure Note completion

  13. 26

    cavitation Note completion

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