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The dolphin has been known as man’s best friend. Once a 28-year-old man who went swimming in the Red Sea with a group of dolphins, learnt the hard way just how caring these creatures can be. When the man was suddenly 【小题1】 by a shark, they saved him by forming a circle around him and 【小题2】 the shark away.

It’s not the first time humans are saved by dolphins and it’s been known for some time that dolphins will do for humans what they do for their own 【小题3】. They are, in fact, the only animals in the world whose brains 【小题4】 ours in terms of size, and their 【小题5】 to feel emotion continues to attract scientists and doctors.

The only creatures that 【小题6】 dolphins, in fact, are sharks and man. We don’t necessarily harm them on 【小题7】, but we catch them in fishing net s and we pollute the water they swim in. 【小题8】, in fact, is one of the dolphins’ greatest problems. So with all the good they do for us, isn’t it time we started caring about them?