`1.` Scientists have found dozens of strange-looking deep-sea creatures.

`-` Dẫn chứng: Scientists have found dozens of strange-looking deep-sea creatures off the coast of Australia.

`2.` The sea creatures live in total darkness four kilometres below the surface of the ocean. 

`-` Dẫn chứng: The underwater beasts live in total darkness four kilometres below the surface of the ocean. 

`3.` A special submarine can cope with the crushing pressure of being so deep in the ocean.

`-` Dẫn chứng: The researchers used a special submarine that could cope with the crushing pressure of being so deep in the ocean. 

`4.` The coffin fish has blue eyes.

`-` Dẫn chứng: Researchers are particularly interested in the coffin fish. They say it has blue eyes, red fins, and a unique method for catching prey in the dark. 

`5.` The seafloor has 200 years of rubbish.

`-` Dẫn chứng:  The researchers also found, "highly concerning levels of rubbish" including, "debris from the days when steamships plied our waters". They said: "The seafloor has 200 years of rubbish on it."

$\text{1.}$ Scientists have found dozens of strange-looking deep-sea creatures.

$\rightarrow$ Dẫn chứng: Scientists have found dozens of strange-looking deep-sea creatures off the coast of Australia.

$\text{2.}$ Four kilometres below the surface of the ocean. 

$\rightarrow$ Dẫn chứng: The underwater beasts live in total darkness four kilometres below the surface of the ocean. 

$\text{3.}$ A special submarine could cope with the crushing pressure of being so deep in the ocean.

$\rightarrow$ Dẫn chứng: The researchers used a special submarine that could cope with the crushing pressure of being so deep in the ocean. 

$\text{4.}$ The coffin fish has blue eyes.

$\rightarrow$ Dẫn chứng: Researchers are particularly interested in the coffin fish. They say it has blue eyes, red fins, and a unique method for catching prey in the dark. 

$\rightarrow$ The sea floor has 200 years of rubbish.

$\rightarrow$ Dẫn chứng:  The researchers also found, "highly concerning levels of rubbish" including, "debris from the days when steamships plied our waters". They said: "The seafloor has 200 years of rubbish on it."

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