(
课件网) UNDER THE SEA Unit 3 video 1 sailfish flying fish stargazer stingray mudskipper goby white shark whale shark sea horse How many kinds of fish are mentioned in the video What are they 1. Which is the largest fish on earth 2. Which can move forward above the surface of the water by using its fins 3. Which is good at climbing the rock 4. Which is one of the ocean's strongest hunters 5. Which is the fastest fish under the sea 6. Which can come out of water and move about on mud Characteristics of the fish the whale shark the flying fish the goby the great white shark the sailfish the mudskipper whale the largest mammal in the world Two types of whales baleen whales toothed whales Baleen whales Toothed whales Blue Whale 蓝鲸 Gray Whale 灰鲸 Killer Whale 虎鲸 Sperm Whale 抹香鲸 White Whale 白鲸 Right Whale 露脊鲸 Minke 小须鲸 Baleen whales have no teeth, but instead have baleen plates, which help them filter the food out of the water. Baleen whales have two blowholes. Toothed whales have teeth. They hunt and eat food by using their teeth. They just have a single blowhole. Baleen whales include blue whales, gray whales, right whales, minke whales and so on. Killer whales, sperm whales and white whales belong to toothed whale. Generally speaking, baleen whales are larger than toothed whales. This is a killer whale, black and white and fish-shaped. They can be up to 10 meters long and weigh about 9 tons. They usually live and work in a team. Their food includes all kinds of animals in the sea, even other whales. They are like tigers on land. They are considered as “The King of the Sea.” Name: killer whale Color: black & white Shape: fish shaped Size: 8m to 10m Weight: about 9 tons Life: 50 to 80 years Habit: live and work in a team Food: fish, squids, seals, sea lions, penguins, even other whales Whaling What are the people doing They are hunting whales. It is called whaling. The people who hunt whales are called whalers. Why do they hunt whales Because whales provide meat and oil, which is beneficial to people, especially baleen whales have rich oil. The oil can be used for lamps, cream, soaps, perfumes and so on. So they are hunted in large numbers. Whaling operated between the 1830s and the 1920s in Australia. The last whaling station in Australia closed in 1978. Whales are now protected by an international ban on whaling. Old Tom the Killer Whale READING 1.What’s the main idea of the first anecdote A. About a hunting experience of old Tom. B. About how the killer whales helped the whalers to hunt a whale. C. About how the whalers killed the whales. D. About how the killer whales killed the whales. 2. What’s the main idea of the second anecdote A. How Old Tom protected and saved people. B. James was washed off the boat. C. It was hard to handle the boat in rough sea. D. A shark killed James. Two anecdotes Anecdote 1 How to help after before during the hunt What Old Tom does: helper Wh ... ...
