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Band 6+: the three pictures below show three different kinds of bridges

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Image for topic: the three pictures below show three different kinds of bridges

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The image illustrates three bridge types in cross-section. The arch bridge spans a lake, usually no more than 200m, with a height no more than 100m, allowing passage for small ships. The concrete girder bridge spans a river, length unlimited depending on the number of piers, each section no more than 200m, height no more than 300m, accommodating middle size ships. The suspension bridge spans a sea, length 400-2000m, indicated as very deep, and allows large size ships to pass underneath.

Given the complexity of the image, the above description may not be entirely accurate.

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The diagram compares three different kinds of bridges.

Overall, there are differences in the design of each bridge, basing on 3 locations such as lake, river, and sea. Besides, different sizes of ships allow them to sail under sort of bridges.

As can be seen from the diagram, looking at the arch bridge, as the name suggests, has a curved shape. It is used in small waterways best. The length of maximum 200 meters and its height is no more than 100 meters, which is suited for small ships to travel under arch bridge. In terms of the concrete girder bridge, which is constructed in the river, the difference between arch bridge and concrete girder bridge is that the latter has multiple piers than the former, with the number of piers is decided by the number of its length. The distance between each pier and the height of the concrete girder bridge are approximately 200 meters and nearly 300 meters, respectively. These designs facilitated ships with average size to travel through it.

Interestingly, the suspension bridge has a lot of cables to avoid falling apart. In addition, this type requires only two big piers, although it is built in the sea. The piers are added with the distance between them from 400 meters to 2000 meters, which help large ships to travel under the suspension bridge easily.

Word Count: 227

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Overall Band Score

(+/- 0.5)

Vocabulary Complexity:
B2 - Upper Intermediate
Opt for even more advanced words when appropriate.

Grammar Mistakes: N/A

Vocabulary Repetition:

bridge: 9

meters: 6

ships: 4

piers: 4

under: 3

which: 3

travel: 3

concrete: 3

girder: 3

between: 3

Try using synonyms for the above words

Task Response

The report appropriately addresses the task by describing the three bridge types and their key features. It provides a clear overall view and organizes information logically. However, there are some minor inaccuracies and omissions, such as the description of the suspension bridge's piers and the lack of explicit mention of the very deep sea. Additionally, some phrasing is awkward (e.g., 'basing on 3 locations', 'sort of bridges'), and the report could be more concise and precise. Overall, the response covers the requirements well with only minor lapses.

Coherence & Cohesion

The report has a clear overall structure with an introduction, an overview, and separate paragraphs for each bridge type. However, the flow is sometimes disrupted by awkward phrasing and unclear references (e.g., 'basing on 3 locations', 'allow them to sail under sort of bridges', 'the latter has multiple piers than the former'). The use of cohesive devices is limited and sometimes inaccurate, making the message less effortless to follow. To improve, use clearer topic sentences, ensure pronoun references are precise, and employ a wider range of linking words and phrases to enhance the logical progression of ideas.

Lexical Resource

The report uses a reasonable range of vocabulary related to the topic (e.g., 'curved shape', 'piers', 'cables', 'facilitated'). However, there are some inaccuracies and awkward choices (e.g., 'basing on 3 locations', 'sort of bridges', 'avoid falling apart', 'facilitated ships'). The phrasing is sometimes unnatural and lacks the sophistication expected for a higher band. To improve, use more precise and varied vocabulary, and ensure word choices are appropriate for the context. For example, instead of 'sort of bridges', use 'types of bridges'; instead of 'avoid falling apart', use 'provide structural support'.

Grammatical Range & Accuracy

The report demonstrates a mix of simple and complex sentence structures, with some correct use of relative clauses and passive voice. However, there are several grammatical errors and punctuation issues that affect clarity (e.g., 'basing on 3 locations', 'allow them to sail under sort of bridges', 'the latter has multiple piers than the former', 'the number of piers is decided by the number of its length'). These errors, while not impeding overall understanding, reduce the accuracy and flexibility of the grammar. To improve, focus on subject-verb agreement, correct use of comparative structures, and ensure that each sentence is grammatically complete and correctly punctuated.

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