Some people go to bed late at night and get up late in the morning. This is a very bad habit. Then you will not think or do your work well. Of course, you can't be healthy, wealthy or wise.

When we get up early in the morning, we can go out and do morning exercises. Exercise means doing things with the body. Walking, running jumping, swimming, and playing ball games are all exercise. If we don't exercise, our body will become weak.

　　Exercise helps the blood (血液) to move around inside our body. Blood takes food to all parts of our body.

　　Our body also needs air to breathe. Without air, we will die. We must have lots of clean fresh air if we want to be healthy. That is why many people like to go out to do morning exercise.

5．From the passage we know that it is good for our health to ________.

A． eat a lot B． go to bed early C． get up late D． go to bed late

6．How long should young boys and girls need to sleep a day?

A． More than ten hours. B． Over eleven hours.

C． Less than seven hours. D． Eight hours or so.

7．If we want to keep healthy, we must ________.

A.eat more food B.sleep more C.get up late D.take enough exercise

8．Which of the following habits is NOT GOOD?

A．Don't go to bed until twelve o'clock. B.Take a walk after supper.

C．Run in the open air early in the morning. D.Climb hills for half an hour early in the morning.

9．Which sport is NOT mentioned in the passage?

A．Jumping. B．Swimming. C．Riding. D．Running.

　　　　　　　　　　　　　　　　　　C

Tahiti is one of the largest islands of French Polynesia. It is located in the southern Pacific Ocean. The capital of Tahiti is Papeete, which lies on the northwest coast. This island has mountains that are volcanic(火山产生的). The people of Tahiti came from Polynesia. The Spanish first discovered this island, but they didn't rule it. Tahiti is close to South America and Los Angeles is just seven and a half hours journey away by air. The scenery is beautiful and tourists often spend their vacations there.

The weather in Tahiti is warm and there are heavy rains in the mountainous areas. The weather