黄晓茹

Dolphin is one of the most precious （珍贵的） animals in the world. Their bodies are very long. They live in the sea and live on fish， shrimps （虾） and so on. Dolphins live in oceans around the world. There are more than 30 different species （物种） of these beautiful animals. Some live in small groups just a few members. Others live in very large groups of 10，000 dolphins or more. Dolphins use loud noises to communicate with each other. They can swim very fast—up to 40 kilometers per hour.

Dolphins are very friendly and peaceful. They never attack people. Dolphins enjoy being with people. They often swim alongside boats. There are even stories of dolphins saving swimmers in trouble. Dolphins are very clever too. People often train them so that they can give dolphin show which brings people a lot of happiness and joy.

【词汇拓展】

1. group 团队 2. world 世界 3. communicate 沟通 4. save 挽救 5. ocean 海洋6. friendly 友好的7. attack 攻击 8. clever 聰明的

【词汇练习】

用文中单词填空。

1. Doctors ____ many lives every day.

2. I use the Internet to ____ with far-away friends.

3. A ____ of rabbits lives near my house.

4. There is no light at the bottom of the ____.

【阅读练习】

根据短文内容回答下列问题。

1. Dolphin groups ____.

A. are always very small

B. cannot be larger than 1，000 members

C. sometimes include only three or four dolphins

D. are mostly very large

2. How do dolphins communicate？

A. By swimming very fast. B. By living in large groups.

C. By talking with people. D. By making loud noises.

3. What is a “member”？

A. A species of dolphin.     B. A part of a group.

C. A kind of group.         D. A number or size.

4. Dolphins ____ people.

A. sometimes help         B. are all afraid of

C. stay away from           D. are dangerous to