(
课件网) 第五课时 3a-3c Section B How are plants and animals connected with us Amazing Plants and Animals Amazing Plants and Animals Unit 4 八上RJ ①阅读有关蓝鲸的文章并完成相应问题。 ②学习新词语: ocean、except、tiny、lively、the Arctic Ocean。 ③学习写有关蓝鲸的文章。 学习目标 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. 3a Read the text and complete the table. The Blue Whale 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. This food lasts for over a year and it helps to create a lively /'la vli/ 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 Importance in nature as much as 200 tons in all oceans except the Arctic Ocean some of the tiniest animals in the ocean live up to 90 years help to create a lively and healthy ecosystem 3b Imagine you are a blue whale. Use the first person to rewrite the first paragraph. Hello everyone! My name is Billy the Blue Whale. I am _____ I’m heavy, but I _____ I live in _____ I can eat _____. 3c Complete your passage about the blue whale based on the text in 3a. 写作指导 本文假设你是蓝鲸并进行自我介绍。因此，时态应用一般现在时。 可以从外形、生活习性、食物、在生态系统中的重要性等方面进行描述。 注意正确运用形容词或副词的最高级形式来表达。 One possible version Hello everyone! My name is Billy the Blue Whale. I am the largest animal on earth. I’m heavy, but I love swimming in the deep, cold ocean. I live in the ocean, where I can freely move around and explore. My favourite food is krill and small fish. I can eat around four tons of food in one day to keep my huge body strong and healthy. Useful expressions 1. ... is one of the most ... 2. as... as... 3. ... live in ... 4. ... can eat ... 5. ... plays an important role in... Write about a plant or an animal that you are interested in. Use the words and expressions from the reading passage and the Useful expressions to help you. Language points Language points 1. Blue whales live in all oceans except the Arctic Ocean. 蓝鲸生活在除北冰洋以外的所有海洋中 。 (教材 P39 3a) except / k sept/ prep.除……之外；除了 【辨析】except, but与besides except “除……之外”，强调所排除的内容不包括在内，含有“减去”的意思。 but “除……之外”，常用于nothing、all、 anything、anyone、everything、everyone等词之后。 besides “除……之外(还)”， ... ...
