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Practice Listening: Select Missing Word ID: #33141 Medium Ocean surface
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 At the end of the recording the last word or group of words has been replaced by a beep.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:

Our oceans are really very well traveled on the surface, but in terms of the deep sea, uh, IT's probably the one area of our planet that hasn't been explored. The first visit by a human to the ocean floor was in nineteen sixty when the u s navy sent a vehicle to the mariana trench, the deepest part of the ocean. Anyway, what exactly do we know about the deep sea? Well, we define it as two hundred meters below the surface of the ocean. And around that point sunlight begins to disappear and temperatures begin to drop a thousand meters and beyond. There's complete darkness, very little oxygen, and pressures that are a thousand times greater than at the earth's surface. However, somehow it's full of life life that has a huge effect on our own lives, because half of the oxygen we breathe is generated by living things in the ocean. So in the future, scientists are going to try and find out more about
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Result:

AI explanationShows the answer. Tap to open.
Option 3: "the creatures that exist there"

Explanation: This option is correct because the text highlights the life forms in the deep sea and their significant role in oxygen production. The mention of life in the ocean directly supports this option, aligning with the main idea of the text.

Option 1: "the surface of the ocean"

Explanation: This option is incorrect because the text discusses the deep sea, not the surface. The main idea revolves around the exploration of the deep sea and its characteristics, making this option irrelevant.

Option 2: "the quality of the air"

Explanation: This option is incorrect as the text does not mention air quality. Instead, it focuses on the deep sea environment and its life forms, which are crucial for oxygen production, but not the quality of air.

Option 4: "the light which is produced"

Explanation: This option is incorrect because the text states that sunlight disappears at around two hundred meters below the surface, indicating that there is no light in the deep sea. Therefore, this option contradicts the information provided.

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