短文改错。 Skin-diving is a new sport today .This sport take (1) you into a wonderful new world .It is l ikes (2) a visit to the moon .When are under water ，it is easy for you climb (3) big rocks，because you are no longer heavy . Here, under water , everything are (4 ) blue and green .During the day , there is enough l ights (5) for to see things in the water .When fish swim nearby, you can catch them by (6) your hands . When you have tanks of air on your back, you can stay in deeply (7) water for a long time . So (8)  you must be careful when you dive deep water.