海豚小学

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Dolphins are some of the smartest animals in the ocean. They are not fish – they are mammals like us! Dolphins breathe air and must come up to the surface. Baby dolphins drink milk from their mothers.

Dolphins live in groups called 豆荚. A pod can have 10 to 30 dolphins. They work together to find food and stay safe. Dolphins are very social animals and love to play.

Dolphins talk to each other using clicks and whistles. Each dolphin has its own special whistle, like a name. They use sound to find fish in dark water. This is called 回声定位.

Dolphins are amazing swimmers. They can swim up to 35 kilometers per hour. They jump out of the water and do flips. Dolphins are very playful and like to ride waves near boats.

Dolphins help humans too. They have rescued people in the ocean. Scientists study dolphins to learn about 智力. We must protect dolphins and keep the ocean clean for them.

等级： C级

A. 词汇匹配

将每个单词与其定义匹配。

B. 对还是错

请对每项陈述写 T（正确）或 F（错误）。

1. Dolphins are a type of fish. ______
2. Dolphins breathe air. ______
3. A pod can have 10 to 30 dolphins. ______
4. Dolphins live alone. ______
5. Each dolphin has its own whistle. ______
6. Dolphins can swim very fast. ______
7. Echolocation uses light to find things. ______
8. Dolphins have rescued humans. ______
9. Baby dolphins drink milk. ______

C. 填空

词库： smartest  |  mammals  |  pods  |  social  |  clicks  |  playful  |  rescued

1. Dolphins are some of the _______________ animals in the ocean.
2. Dolphins are _______________, not fish.
3. Dolphins live in groups called _______________.
4. Dolphins talk using _______________ and whistles.
5. Dolphins have _______________ people in the ocean.

D. 理解性问题

1. Why are dolphins not fish?
2. What is a pod?
3. How do dolphins talk to each other?
4. What is echolocation?
5. How fast can dolphins swim?

E. 讨论问题

与同伴讨论这些问题，或者写下你的答案。

1. Would you like to swim with dolphins? Why?
2. Why do you think dolphins are so smart?
3. How can we help protect dolphins?

答案

请查看下方答案。

A. 词汇： 1-b, 2-a, 3-e, 4-g, 5-h, 6-c, 7-j, 8-f, 9-i, 10-d

B. 判断题： 1-F, 2-T, 3-T, 4-F, 5-T, 6-T, 7-F, 8-T, 9-T

C. 填空： 1-smartest, 2-mammals, 3-pods, 4-clicks, 5-rescued

D. 理解： 1. They are mammals – they breathe air and drink milk; 2. A group of dolphins; 3. Using clicks and whistles; 4. Using sound to find things in dark water; 5. Up to 35 kilometers per hour

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