A new building material

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Practice Listening: Select Missing Word ID: #4632 Short A new building material

Instructions ›

You will hear a recording about a topic. At the end of the recording the last word or group of words has been replaced by a beep. Select the correct option to complete the recording.

Transcript:

A team of biologists and construction experts are working together to create a new building material that can actually recreate itself. This material will guarantee no cracks and prevent what could escalate into severe structural damage. The magic ingredient is a species of fungus that is mixed into the concrete to produce a hybrid material that can, in likeness of science fiction, heal itself. The fungus remains dormant when enclosed in an oxygen-free environment, but it becomes activated when cracks occur, which brings it into contact with oxygen and water. It then grows minerals to fill in the crack from the inside, just like a clot. Once the crack is sealed, it returns to its inactive state. Though this approach is still being tested, the team members are -

* Click on the correct answer

eager to share their knowledge cautious about announcing its potential enthusiastic about its future prospects uncertain about its likely application

Result:

AI explanationShows the answer. Tap to open.

Option 3: "enthusiastic about its future prospects"

Explanation: This option aligns perfectly with the overall positive tone of the text, which discusses the innovative nature of the self-healing material. The phrase 'future prospects' suggests a hopeful outlook, which is consistent with the text's emphasis on the potential benefits of the new material.

Option 1: "eager to share their knowledge"

Explanation: This option suggests that the team is ready to share their findings, which does not align with the cautious tone implied in the text. The text indicates that the approach is still being tested, suggesting a level of restraint rather than eagerness.

Option 2: "cautious about announcing its potential"

Explanation: While this option reflects a sense of caution, it does not capture the positive outlook implied in the text regarding the future of the material. The text hints at optimism about the material's capabilities, making this option less fitting.

Option 4: "uncertain about its likely application"

Explanation: This option implies doubt regarding the material's application, which contradicts the text's focus on the promising aspects of the self-healing material. The text does not express uncertainty but rather highlights the innovative potential of the material.

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