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课件网) Section B 3a-3c The blue Whale Unit 4 Amazing Plants and Animals 01 02 03 04 教学目标 引导学生了解生物蓝鲸对于生态系统的重要性，从而进一步了解动植物对于生态系统的重要性。 掌握核心词汇（weight, ton 等）能通过略读、寻读提取蓝鲸信息，用 5-6 句话描述其特征并改写为第一人称文本。 理解蓝鲸对海洋生态的价值，树立保护生物多样性的意识 运用表格整理信息，通过小组合作完成语言输出任务。 学会梳理说明文 “特征 - 作用” 的逻辑结构，分析动物与生态的关联。 教学重难点 01 02 重点：提取蓝鲸关键信息，掌握描述动物特征的词 汇与句式。 难点：第一人称文本转化，理解 “鲸落” 的生态意 义。 Watch the video 1 Lead-in Think and say What does this video talk about They are huge animals. They live in the sea. They can sing songs. They can jump high out of water. They are clever and friendly. whales What do you know about whales Let’s guess 2 Pre-reading Introduction What do you know about the blue whale marine mammal biggest animal endangered species Place: deep ocean Food: krill（磷虾） ... Watch the video people like watching blue whales swim The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. Blue whales live in all oceans except the Arctic Ocean . They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day. Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them. Blue whale facts Weight Where they live Food How long they live Role in ecosystem 3a Read the text and complete the table. as much as 200 tons Someof the tiniest animals in the ocean. They can live up to 90 years. It helps to create a lively and healthy ecosystem. Let’s read for details Read and learn The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day. Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them. 在地球上 多达，达到…… 之多 / n/ n. 大海；海洋 / k sept/ prep. 除……之外；除了 tiny / ta ni/ adj. 极小的；微小的 live up to 达到；符合 lively / la vli/ adj. 精力充沛的；生机勃勃的 扮演一个重要的角色 Hello everyone! My name is Billy the Bl ... ...
