IELTS listening · Listening Test 41
A talk given by a lecturer to a group of civil engineering students on the Reed bed system for sewage treatment
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Section 4
Section 4
A talk given by a lecturer to a group of civil engineering students on the Reed bed system for sewage treatment
Questions 31–34
Complete the summary using NO MORE THAN ONE WORD for each answer.
31.• Rectangular hole 1 metre deep lined with
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Answers & explanations
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- 31
clay/plastic
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- 32
reeds
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- 33
underground
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- 34
tested
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- 35
compost/soil
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- 36
(healthy, natural) home/habitat
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- 37
labour/labor
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- 38
increases
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- 39
unions/manufacturers
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- 40
efficiency/winter/cold/weather/mosquitoes
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Understand why, not only what.
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