Skin-diving(潜水) is a new sport today. This sport takes you into a wonderful new world. It is like a visit to the moon. When you are under water, it is easy for you to climb big rocks, because you are no longer heavy.
Here, under water, everything is blue and green. During the day, there is lots of light. When fish swim nearby, you can catch them with your hands.
When you have tank (罐) of air on your back, you can stay in deep of water for a long time. But you must be careful when you dive into deep water.
To catch fish is one of the most interesting parts of this sport. Besides, there are more uses for skin-diving. You can clean ships without taking them out of the water. You can get many things from the deep sea.
Now you see that skin-diving is both useful and interesting.
Skin-diving is a new sport that_____________.

A．will take you to the moon

B．will take you to a new world of land

C．will take you to the mountain

D．will take you to the deep water

You can climb big rocks under water easily because _________.

A．you are very heavy

B．you are as heavy as on the land

C．you are not as heavy as on the land

D．you have no weight at all

With a tank of air on your back, you can _________.

A．catch fish very easily

B．stay under water for a long time

C．climb big rocks

D．have more fun

Which of the following statement is not true?

A．Skin-diving is a new sport

B．skin-diving is like visiting the moon

C．The only use of skin-diving is to have more fun

D．Skin-diving is not only interesting but also useful.

Skin-diving is a useful and interesting sport because ________.

A．you can catch fish with your hands.

B．you can clean the ship in the water

C．you can get many things from the deep sea.

D．all of the above