IELTS Reading main_idea Practice

Choose the correct heading for paragraphs B, C, D and E from the list of headings below. Which heading best summarizes Paragraph D?

Question type: matching headings · Difficulty: beginner

1. A. A modern approach using pressure and membranes
2. B. Key benefits making new technology popular
3. C. The high energy cost of early desalination techniques
4. D. A national case study in water independence

Explanation Preview

Paragraph D outlines the advantages of Reverse Osmosis, mentioning its 'substantially lower energy consumption', 'lower operational costs', and how it is 'highly scalable'. These points are the key benefits that have made the technology popular.

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