Taking exercise is good for our health. All work and no play makes Jack a dull boy. By taking exercise, we can relax our body and mind. At the same time, we can harden our muscle and have a good figure. If we don't take exercise for a long time, we may easily fall sick.
I enjoy several outdoor sports. Swimming in the sea is my favorite. Because there are too many people in a swimming pool and the water is always dirty, I prefer to swim in the sea.
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