题目内容：

Skin-diving（轻装潜水） 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 enough light .When fish swim nearby , you can catch them with your hands .

When you have tanks (箱) of air on your back, you can stay in keep water for a long time. But you must be careful when you dive in deep water. To catch fish is one of the most interesting parts of this sport. Besides（而且），there are many other uses of skin-diving. You can clean ships without taking them out of the water. You can also get many things from the deep sea.

根据短文内容，选择正确答案。

1.Skin-diving can take you to ______

A. the room           B. the moon

C. the mountains.     D.the deep sea

2.You can climb big rocks easily under water because ______.

A.you are stronger

B. the fish nearby help you

C.you are not as heavy as on the land

D. there is a lot of light

3.Under water , a skin-diver _______ in the daytime .

A. can see everything clear

B. can’t see anything clearly

C. can see nothing

D. can see only fish

4.With tanks of air on your back ,you can _______

A .catch fish very easily

B. stay under water for a long time

C. be in a safe place

D. have more fun

5. Which of the following is NOT true ?

A. Skin-diving is a new sport.

B. skin-diving is like visiting the moon.

C. Skin-diving is both interesting and useful.

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