Here, under water, everything is blue and green .During the day, there is plenty of light. When fish swim nearby, you can catch them with your hands.

When you have tanks (罐)of air on your back, you can stay in deep 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, 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.

阅读短文，选择正确答案

1.Skin-diving can take you to______.

A. exciting world　　　　　　　　　　　　　　　　　　　　  B.new world

C.beautiful world　　　　　　　　　　　　　　　　　　　　  D.an interesting and new world

2.This sport______.

A. is like to travel on the moon　　　　　　    B.is like to play on water

C.is like to visit a new country　　　　　　    D.is like to climb a big rock

3.You can stay in deep water for a long time because______.

A.you can swim　　　　　　　　　　　　　　　　    B.you can skin dive

C.you can bring something to eat　　　　　　　　    D.you can take tanks of air with you

4.Which of the following statements 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 useful.

5.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

We live in “computer age(时代)”. People like using computers to do ___21__work. But more than 20 years ago, ___22__couldn’t do much. They were very big and expensive. Very __23___people were interested in them and knew how to use them. Today computers are smaller and ___24___.Since they are useful, many people like to use them, even at home.

Computers ___25___very important because they can work ___26___than men and make fewer mistakes. Computers can ____27___people do a lot of work. Writers can use computers to write. Teachers can use computers to help teaching and students use them to study. Computers can also remember what you put ___28____ them. Computers are very___29___. They are our good friends. Do you want to ___30____a computer.

1.A. all kinds of   B. many   C. very much   D. a lot

2.A. teachers  B. students  C. computers  D. scientists

3.A. a few  B. few  C. little  D. a little

4.A. cheaper  B. cheap  C. expensive  D. more expensive

5.A. is becoming  B. becomes  C. become  D. became

6.A. quickly  B. quick   C. fast   D.  faster

7. A. help    B. tell   C. ask   D. stop

8. A. on   B. into   C. up   D. to

9.A. heavy   B. careful   C. beautiful   D. helpful

10.A. lend   B. pay   C. have   D.  sell

Skin-diving(潜泳) is a new sport today. This sport take 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 on longer heavy.

Here, under water, everything is blue and green. During the day, there is plenty of light. When fish swims nearby, you can catch them with your hands.

When you have tanks(罐) of air on your back, you can stay in deep 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, 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 can see that Skin-diving is both useful and interesting.

1. Skin-diving can take you to _________.

A. an exciting world                B. a new world

C. a beautiful world                D. an interesting and new world

2. This sport _________.

A. is like to travel on the moon        B. is like to play in water

C. is like to visit a new country        D. is like to climb a big rock

3.You can stay in deep water for a long time because __________.

A. you can swim                      B. you can take tanks of air with you

C. you can bring something to eat    D. you can skin diving

4.Which of the following statements 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 useful.

5. 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