Skin-diving （轻装潜水）is a new sport today. Many people show interest in this sport. Some go under water to see beautiful scenes(景色).____go down into deep(深的) water to take pictures of swimming fish. It is not dark under water and there are a lot of big or little fish living there. Some of them use the sand to ____their homes. If you are under water, you will find you are just in a fish village.

    There is no wind under water.____ is blue and green. During the day, there is much light. Sometimes people do not have to use a flash(闪关灯)to take ____under water.

    This sport takes you into a wonderful new world. When you are under water,____ is easy for you to carry a big stone(石头). It is____a trip to the moon!

    Catching fish is one of the most ____ parts of this sport. When fish swim nearby, you can catch them____ your hands.