无人驾驶车辆的利弊

The response directly answers the question with a consistent position, covers multiple relevant advantages and disadvantages, and reaches a clear conclusion, though some points are supported more by assertion than extended development.

Ideas progress logically through well-managed paragraphs with effective cohesive devices, although linking words such as 'Firstly' are used somewhat mechanically and a few points are under-expanded.

Vocabulary is flexible and precise, with natural use of less common items like 'contingent on', 'eclipse', and 'usher in', and only occasional slightly forced or imprecise word choices.

A wide range of complex sentence structures is used with good control and frequent error-free sentences, with only minor slips in phrasing or article use that do not impede communication.

The position is clear and consistently maintained, with a relevant advantage developed and a well-supported disadvantage argument including a concrete example, though the benefits side receives less development.

Ideas progress logically across well-managed paragraphs with effective use of cohesive devices and referencing, despite a slightly abrupt shift from advantages to disadvantages.

Vocabulary is flexible and topic-appropriate, with items such as traffic efficiency, malfunction, and unfavourable scenarios used naturally, though occasional phrases like good to have but not great to ride in are more informal.

A wide range of complex structures is used with generally good control, including conditionals and relative clauses, with only minor errors in punctuation and phrasing that do not impede understanding.

The response addresses all parts of the task, presents a clear and consistent position, and supports the main ideas with relevant explanation and an example, though the disadvantage side is somewhat less developed.

Ideas are logically organised across clear paragraphs with effective cohesive devices, although some referencing and linking are slightly mechanical at times.

Vocabulary shows good range and flexibility for the topic, including terms like 'casualties', 'software glitches' and 'reap the maximum benefits', with only occasional imprecision.

A variety of complex structures is used with generally good control, including conditionals and relative clauses, alongside a few noticeable but non-impeding errors in tense and agreement.

The response fully addresses the question with a clear, consistent position that advantages outweigh disadvantages, develops main ideas on both sides with relevant explanation, and reaches an appropriate conclusion.

Ideas are logically organised into clear paragraphs with effective sequencing devices, though cohesion is at times mechanical through formulaic linkers such as 'To begin with' and 'Furthermore'.

The response demonstrates a good range of topic-appropriate vocabulary, including items like 'vulnerabilities', 'traffic congestion', and 'mayhem', used with reasonable precision and only occasional awkwardness such as 'driverless conveyances'.

A variety of complex sentence structures, including conditionals, relative clauses, and well-managed subordination, is used flexibly with only minor, non-impeding errors.

The response addresses all parts of the task with a clear, consistent position that advantages outweigh disadvantages, and ideas are developed with relevant examples, though some points are extended more fully than others.

Ideas progress logically across well-managed paragraphs with a range of cohesive devices used naturally, and referencing is generally clear throughout.

Vocabulary is flexible and precise, with natural collocations such as 'render human drivers redundant', 'statistically insignificant', and 'mitigated against', showing sophisticated awareness of style.

A wide range of structures is used with strong flexibility and accuracy, including complex conditional and concessive sentences, with only a minor agreement slip in the conclusion.

The question is fully addressed with a clear position that advantages outweigh disadvantages, and main ideas are developed with relevant explanation and a specific example, though the coverage of disadvantages and counterargument is somewhat limited in scope.

Ideas are organised logically across clear paragraphs with effective cohesive devices and a consistent line of argument, with progression generally smooth throughout.

Vocabulary is wide and used naturally and precisely, including idiomatic phrasing such as 'making a living', 'be they truckers', and 'made redundant', with very few inaccuracies.

A wide range of structures is used flexibly, including conditionals and complex relative clauses, with strong control and only occasional minor awkwardness such as 'Imagine all these people are made redundant'.

The response addresses the question directly with a clear position, well-developed advantages, and a relevant supporting disadvantage, though the counter-argument is covered less extensively than the benefits.

Ideas progress logically across well-structured paragraphs with cohesive devices used naturally, although the linking is occasionally formulaic, as with the repeated openings 'In addition' and 'For example'.

Vocabulary is wide and precise, featuring natural collocations and low-frequency items such as 'lapse of concentration', 'nefarious purposes', and 'seize control', used accurately throughout.

A wide range of structures, including complex conditional and relative constructions and accurate participial phrases, is used with strong control and only rare, non-impeding slips.

The response directly answers the question with a clear position that advantages outweigh disadvantages, well-developed supporting ideas, and a concession that is explicitly weighed against the benefits.

Ideas progress logically across well-organised paragraphs with effective cohesive devices such as referencing and contrast, though development within paragraphs is at times brief.

Vocabulary is flexible and precise, with natural academic phrasing and idiomatic collocations used accurately throughout.

A wide range of structures, including complex subordination and relative clauses, is used with flexibility and consistent accuracy.

The essay directly answers the question with a clear, consistent position, covers both the moral disadvantage and the safety advantage, and supports each with relevant reasoning and examples, though the disadvantage side is slightly less developed.

Ideas are organised into logical paragraphs with clear progression and effective use of cohesive devices and referencing, producing a cohesive argument throughout with only minor mechanical linking.

Vocabulary is wide and precise, with sophisticated, naturally used items such as concomitant, seismic shift, tangible ramifications, and human agency, and only rare imperfection in usage.

A wide range of complex structures is used with strong flexibility and accuracy, including effective conditionals, comparatives, and relative clauses, with errors rare and non-impeding.