1. Under the Sea Unit 3

2. Today, we’re going to take a look at the world under the sea. So, are you ready?

3. Now, we are on a snorkeling trip under the sea. We’ll come across a great variety of marine animals. Come on!

4. Dolphins 海豚 What are they?

5. Turtle 海龟 Look. It’s coming towards us.

6. Sea horse 海马 What’s this?

7. Squid 鱿鱼

8. Sea star 海星 This looks beautiful!

9. Jellyfish 水母

10. Coral 珊瑚

11. Angel fish 天使鱼 Different kinds of little fish

12. Anemone fish 海葵鱼

13. Clown fish

14. A shark is coming. Look out! It’s dangerous.

15. He noticed us. We’d better leave him alone before it’s too late. Bye, Mr Shark!

16. We are safe now. And I caught a sea star near the shore.

17. If you like, where can you go to see more about the ocean life? on a boat trip in books, on the Internet, in the Ocean Park, on TV etc. at an aquarium

18. In groups, make a list of plants and animals that live under the sea that you and your classmates have seen in any of the ways listed above. Share what you know about these plants and animals.

19. What’s happening in the pictures? A Killer Whale

20. Whales are huge, intelligent sea mammals. They breathe air through blow-holes into lungs (unlike fish who breathe using gills). Whales have smooth, shiny, streamlined ( 流线型） bodies that move easily through the water. What is a whale?

21. There are two types of whales alive today: toothed whales ( 齿鲸类 ) and baleen whales ( 须鲸类 ). Toothed whales have teeth and a single blowhole. They feed on eat fish and other sea mammals. Baleen whales are larger than toothed whales. They are filter feeders ( 滤食者 ) that use baleen to sieve ( 过滤 ) food, and have two blowholes. Classification of whales

22. Killer whales ( 虎鲸 ) belong to toothed whales, who are the largest of the dolphins and king of the sea, biggest carnivore( 食肉 动物 ) of the sea, killing all kinds of animals in the sea, even the huge blue whale, like tigers on land, working in a team.

23. Average lifespan: 50 to 80 years Size: 7 to 9.7 m Weight: up to 6 tons

24. Killer whales

25. Baleen whales are characterized by having baleen plates for filtering food from water, rather than having teeth. Baleen whales are generally larger than toothed whales, and females are larger than males. This group includes the largest known animal species, the Blue Whale.

26. Baleen whales

27. What do you think is happening in the picture? Read the introduction of the passage on page 19 and then fill in the chart below.

28. Writer Vocation Style Time Place Main idea Clancy A whaler Anecdotes At the beginning of the 20 th century Southeastern coast of Australia The killer whales helped the whalers kill baleen whales Brief introduction of the passage

29. Homework 1. Look up the new words and expressions of the reading in the dictionary. 2. Preview the reading: OLD TOM THE KILLER WHALE