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Antarctic scientists were left 1．(astonish) when they discovered a unique creature at the bottom of the ocean, a documentary showed. The icy continent is 2． great interest to scientists as it is a totally unspoilt landscape 3． they can study the history of the earth and the effects of climate change. Thousands of scientists stay there, and they try to get a better idea of the icy continent’s past by 4．(dig) below the ice. 

The team of scientists started a journey through the surrounding waters of Antarctica 5．(discover) some of the most unusual oceanic life known to man. Thankfully, cameras were around to catch one of the strangest moments, when leading scientist Andrew Stewart made an interesting discovery about snailfish (狮子鱼). Snailfish are 6．(poor) understood and Andrew may have found a new species. The sea 7．(have) a wide variety of fish to thrill biologists. 

“8． surprises me is that there may be about 115 species of this snailfish there,” Andrew said, “this is why I came to Antarctica, seeing things like this. It’s just beyond words. We now have the whole 9．(family) of fish that are found nowhere else in the world except in the Southern Ocean. These are 10．(attract) animals.”