The diagrams below show a comparison between two road tunnels in two Australian cities.
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Sample Response
The diagrams compare two road tunnels constructed in different Australian cities, illustrating their respective construction timelines, costs, physical dimensions, geology, cross-sectional layouts and surface environments.
Overall, Tunnel B is longer, deeper and twice as expensivefar more costly than Tunnel A. While both follow a twin-tube designboth tunnels employ a twin-tube design, Tunnel B has more lanes in each tube and was excavated through stone and clay rather than sand.
Tunnel A was built between 1997 and 2002, costing $555 million. It extends 2.2 kilometres and reaches a maximum depth of 15 metres beneath sand. Tunnel B, by contrast, was constructed from 2002 to 2006 at a cost of $1.1 billion, spans 3.6 kilometres, and reaches a maximum depth of 25 metresreaches 25 metres through stone and clay. Both tunnels carry vehicularbidirectional traffic in a twin-tube configuration, yet Tunnel A provides two lanes per tube while Tunnel B provides three.
In terms of the surface above, Tunnel A passes beneath a river with a suspension bridgebridge towers visible, whereas Tunnel B runs under an busy highway lined with buildingsurban area lined with multi-storey buildings.
Why this response received Band 9.0
The essay provides an exceptionally clear, highly accurate, and comprehensive overview of all visual data from both diagrams. Ideas are organized logically with natural paragraphing and sophisticated, precise cohesion. To maintain this high level of response, continue ensuring that complex data sets are categorized and synthesized as seamlessly as done here.
IELTS Writing Criteria Scores
Task Achievement
All key features and data points from both tunnel diagrams are fully described and logically compared with complete accuracy.
Maintain this thorough approach by continuing to highlight key trends and contrasts clearly across complex visual prompts.
Coherence and Cohesion
The response is organized seamlessly into logical paragraphs with accurate and effortless linking devices throughout.
Sustain this high level of coherence by ensuring paragraph breaks logically group related information in future tasks.
Lexical Resource
A wide, precise range of vocabulary is used naturally and appropriately to describe spatial and numerical features.
Continue utilizing sophisticated visual descriptor words to maintain exceptional vocabulary precision.
Grammatical Range and Accuracy
A wide variety of complex sentence structures is used flexibly with complete grammatical accuracy.
Keep demonstrating a full range of complex sentence structures while maintaining error-free control.