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必修3《Lesson 3 The Sea World》公开课PPT课件优质课下载
Enable?the?students?to?talk?about?plants and?animals?under?the?sea.
Help the students know the importance of the relationship between animals and human.
Let’s enjoy the wonderful world under the sea!
Can you make a list of plants and animals that live under the sea?
Shark 鲨鱼
Seaweed 海草
See-slug 海蛞蝓
(Sea) Turtle 海龟
(Rainbow) Eel （彩带）鳗鱼
Clam 蛤
Seal 海豹
Coral Reef 珊瑚礁
Sea Star 海星
Jellyfish 水母
Whale 鲸
Do you know about whales?
There are two kinds of whales.
Toothed Whale 齿鲸类
Baleen Whale 须鲸类
Baleen whales have no teeth but instead have baleen plates(鲸须板) with which the whales can filter(过滤) the food out of the water.
Baleen Plates
Killer whales are one of the top predators(食肉动物) in the sea. As a group, killer whales are known to eat fish, seals, sea lions, penguins, even other whales.
虎鲸/
杀手鲸
Look at the picture(on P19) and describe it.