选词并用其适当形式填空（有的词可重复使用）。
| take, catch, stay, must, get, climb, visit, be |
Skin-diving (潜泳) is a new sport today. This sport
1 you into a wonderful new world.
It is like a
2 to the moon. When you are under water, it is easy for you
3 big rocks
(岩石), because you are no longer heavy.
Here, under water, everything
4 blue and green. During the day, there is plenty of (大量的)
light. When fish swims near by, you can
5 them with your hands.
When you have tanks (罐) of air on your back, you can
6 in deep water for a long time.
But you
7 be careful when you dive in deep water.
To
8 fish is one of the most interesting parts of this sport. Besides (此外), there are more
uses for skindiving. You can clean ships without
9 them out of water.You can
10 many
things from the deep sea.
Now you see that skin-diving is both useful and interesting.
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