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课件网) Amazing Plants and Animals Section B (3a~Project) Unit 4 Learning aims 能以自述的口吻介绍蓝鲸 能够关于蓝鲸的介绍 能制作一份关于某种动物或植物的海报 Lead in The blue whale Activity 1 Know something about the blue whale by reading 1. How many paragraphs are there in this article Read the text and answer the questions. Two. 2. What’s the topic sentence for each paragraph Para.1: The blue whale is the largest and heaviest animal on earth. Para.2: Blue whales play an important role in our world, so we must protect them. 3a Read the text and complete the table. 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. The Blue Whale Blue whale facts Weight Where they live Food How long they live Role in ecosystem It can weigh as much as 200 tons. In all oceans except the Arctic Ocean. Some of the tiniest animals in the ocean, around four tons of them a day. 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, lasting for over a year and helping to create a lively and healthy ecosystem. Language points 1. Blue whales can live up to 90 years. 蓝鲸的寿命可达 90 年 。 live up to 达到；符合（期望等）；活到（某一年龄、岁数等） 例如： He always lives up to his parents' expectations. 他总是不辜负父母的期望。 【拓展】同义词 reach 达到（某一数量、程度、年龄等 ）；在表示活到某一年龄时，可与 “live up to” 替换。 例如： Some trees can reach a height of 30 meters. 有些树能长到 30 米高 。 Some people can reach 90 years old. 有些人能活到 90 岁 。 2. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. 当一头蓝鲸在海洋中死去时，它会成为生活在海洋里及海洋周边的多种动物的食物。 living in and around the sea 整体是现在分词短语作后置定语，修饰前面的 animals。相当于一个定语从句 which/that live in and around the sea。 例如： The boy standing there is my brother. 站在那儿的男孩是我弟弟。 standing there 修饰 the boy，可转换为 The boy who/that is standing there is my brother. Activity 2 Use the first person to rewrite the passage. 3b Complete your passage about the blue whale based on the text in 3a. 写作指导 文本体裁 话题分析 要求写完成段落的改写，主要改写内容为3a第二段的内容，涉及到蓝鲸的寿命和对生态环境的重要性等内容。 本文将第三人称的段落内容，改写为第一人称的段落内容。分析原文章属于 ... ...
