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Answers for “Tidal Power” With explanation

Answers for “Tidal Power” With explanation

Answers for “Information theory- the big idea” With explanation

Answers for “Attitudes of language” With explanation

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IELTS Cambridge Book 9 Test 3 Passage 2

Tidal Power

AnswersKeywordsLocationExplanation
14.Cfirst test siteparagraph C, line 3The first station is expected ………….. and the European Union.
15.Epower, Britainparagraph E, line 1Dr Bahaj has done most work ……………….under the Channel. “import= bring back”
16.ABritain, an alternative source of energyparagraph A, line 8Unlike wind power, which Britain originally ………….. island nations such as Japan and New Zealand. “originally developed and abandoned for 20 years= previous attempt”
17.Capplying technology, another industryparagraph C, line 8The technology for dealing with the hostile saline environment under the sea has been developed in the North Sea oil industry….
18.AParagraph A, line 3Unlike wind, the tides are predictable and the power input is constant. “than wind power= unlike wind, predictable= reliable”
19.DParagraph A, line 5This technology raises the prospect of Britain becoming self-sufficient in renewable energy and drastically reducing its carbon dioxide emissions “reduce= cut down”
20.EParagraph A, line 6If tides, wind and wave power are all developed, Britain would be able to close gas, coal and nuclear power plants
21.Fparagraph A , line 6If tides, wind and wave power are all developed, Britain would be able to close gas, coal and nuclear power plants [Option E] and export renewable power to other parts of Europe
22.Jparagraph C, line lastThe best sites are between islands or around heavily indented coasts where there are strong tidal currents “vicinity of coastlines= around heavily indented coasts “
23.maintenancetower, seaweedsparagraph D, line 9The towers will stick out of the water …………..seaweed from the blades. “Purpose = maintenance and cleaning sea weeds”
24. slow (turning)sea life, bladesparagraph D, line 5Fish and other creatures are thought unlikely to be at risk from the relatively slow-turning blades. “sea life =fish and other creatures, comparatively=relatively”
25.low pressure and 26. cavitationair bubbles, known aslast paragraph, line 1One technical difficulty is cavitation, where low pressure behind a turning blade causes air bubbles.
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