Unit 4 Amazing Plants Section B 3a-3c 写作课课件 2025-2026学年人教版英语八年级上册

该初中英语课件围绕“蓝鲸说明文写作”核心知识点，通过小组分工提取蓝鲸事实，结合“动物类说明文田字格框架图”梳理外貌、体重等9个维度，搭建从事实提取到篇章组织的结构化学习支架，衔接信息梳理与写作表达的逻辑脉络。 其亮点在于融合任务型教学与分层设计，第一人称改写活动搭配“改写层次塔”和评价表，提升语言表达准确性与创新性（语言能力），小组合作与分层作业（基础、拓展、创新层）培养自主学习策略（学习能力），帮助学生构建说明文写作逻辑，教师可借助框架图和评价工具高效实施教学。

Unit 4 Amazing Plants and Animals Section B 3a The Blue Whale Writing facts (事实) What type of article is this? 本篇文章是什么体裁？ exposition (说明文) Activity 1. Find out the 9 facts about blue whales according to 3a. Then write them down on your worksheet.Each person needs to find one or two facts.(组内分工找关于蓝鲸的事实，每组根据人数，每个组员找一至两个事实写到学习单上即可。) look（外貌）： weight（体重）： ability（能力）： where they live： food： how long they live： contribution（贡献） after death： importance(重要性) in humans’ world： what humans(人类) should do： (Tian- character framework of exposition about animals) 动物类说明文田字格框架图 Report blue whale facts according to 3a in groups. And each member will report one fact.以小组为单位汇报关于蓝鲸的事实，每位组员汇报一个方面的事实。 Group 1 改写：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. Group 2 改写：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. Group 3 改写：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. Group 4、5、6 改写：Blue whales play an important role in our world, so we must protect them. Activity 2. Use the first person to rewrite 3a The Blue Whale.用第一人称改写3a课文The Blue Whale。 Group 1 改写：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. Group 2 改写：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. Group 3 改写：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. Share Your Writing! Evaluate according to the following assessment chart. (根据下面的评价表进行评价) Items for evaluation 评价内容 Score for each item 每项分值 Score given to each item 每项得分 Score given in total 所给总分 1 In the first person. 内容为第一人称 2 points（2分） 2 Almost no mistakes. 内容几乎没有错误 2 points（2分） 3 Proper cohesion and not all the expressions are from the text.衔接得当，并且不是所有的表达都跟课文里的一模一样。 2 points（2分） 改主语、谓语和部分词汇及短语 如：The blue whale is----I am like----enjoy/are fond of 在层次1基础上， 衔接得当，语言丰富 level 2 level 1 （层次1） Level Tower for exposition rewriting in the first person （说明文第一人称改写层次塔） 1. 表并列：and, or, both ...and..., either...or..., neither...nor..., as well as 2. 表因果：because of, thanks to, therefore, as a result, as a consequence 3. 表转折：but, yet, however, after all, meanwhile, on the contrary, instead 4. 表推进：what's more, on the one hand… on the other hand…, in addition , as well, also, not only…but also…, besides, furthermore, moreover Look: 1.As for/Speaking of/ When it comes to ...., no other animals/creatures on earth are...than me. 2.I can’t think of any other...that is .....than me Ability： As/ Being a good/ great/ talented/skillful/.....swimmer, I can/ am able to.... Where they live： All.....are home to me except..... 四类常用连词及衔接表达语 句型改写 Evaluate according to the following assessment chart. (根据下面的评价表进行评价) Items for evaluation 评价内容 Score for each item 每项分值 Score given to each item 每项得分 Score given in total 所给总分 1 In the first person. 内容为第一人称 2 points（2分） 2 Almost no mistakes. 内容几乎没有错误 2 points（2分） 3 Proper cohesion and not all the expressions are from the text.衔接得当，并且不是所有的表达都跟课文里的一模一样。 2 points（2分） Group 4、5、6 改写：Blue whales play an important role in our world, so we must protect them. 改主语、谓语和部分词汇及短语 如：The blue whale is----I am like----enjoy/are fond of 在层次1基础上， 衔接得当，语言丰富 在 层 次2 基础上， 文章 结尾减少雷同 level 3 level 2 level 1 （层次1） Level Tower for exposition rewriting in the first person （说明文第一人称改写层次塔） 在 层 次2 基础上， 结尾减少雷同 level 3 Blue whales play an important role in humans’ world, so humans should protect us. 减少雷同收尾四法 2.反问式收尾法 3.憧憬式收尾法 4.共情式收尾法 1.陈述式收尾法 so...should...../so I hope(expect)..... so shouldn’t.....? so how I wish...! so I believe...will treat...well/regard...as.../ so I’m sure...can care about.../ so ...and ...will be good friends /so ...and...depend on each other/... What does this short piece of movie tell us? Animals, plants and humans are all connected. All creatures(生物) are great. The price of greatness is responsibility. （伟大的代价是责任） ----Winston Churchill Homework for students of different levels: (分层作业) 1. 基础层作业：Find out as many phrases(短语) as you can in 3a，and recite(背诵) the phrases for tomorrow’s dictation(听写) 2. 拓展层作业：Based on（基于） what you have learnt in this class, use the first person to rewrite the whole article of 3a. 3. 创新层作业:（Scan the following QR codes(扫二维码) after school and make a plan to help protect a kind of animal mentioned(被提到的) in the APPs in no less than 80 words, and share your plan in the next class) $