八年级下册英语unit7课时5导案.docx

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新目标八年级英语下册教师用导案课题 Unit 7 What’s the highest mountain in the world? 课时 Section B （1a-1d）课时5 主备人齐卫国复备人备注教学目标 1. 话题：熊猫和大象的比较 2. 拓展比较句式：多倍数的表达 3. 巩固数字、事实的描述教学重点多倍数的表达：…weigh/eat many times more than… 教学难点完整的事实描述，多倍数的比较应用课前预习查阅熊猫和大象的资料，了解它们的体重，身高，饭量，寿命，等知识链接引入 Favorite animals---to describe them—to compare them 学法指导观察与比较，模仿练习教学内容与环节任务一：探究学习，合作交流 1. 阅读1a，对大象和熊猫进行比较描述练习。 1) 参看图片数据，用简单句分别描述这两种动物，不做比较如: This elephant is 350 cm tall. The panda is 150 cm tall. 2)阅读下列句子，注意比较方式的不同表达. This elephant is much taller than the panda. This elephant is 200 cm taller than the panda. This elephant is many times taller than the panda. 3)这次我们练习使用“weigh”. 1.This elephant weighs many times more than the panda. 2. This elephant weighs much more than the panda. 试一试“eat” or … 2.总结结构： A+ be/v. +(much, a lot)-er than B. A+ be/v.+ many times + -er than B A+ be/v.+ 数词+-er than B 任务二：听力训练 1. 数字复习，正确读出1b栏中的数字。（0.1读作：zero point one） 2. 听录音完成1b.选出听到的数字。 3. 听录音，根据1c句子记录相关信息，完成填空练习。语言点：. 1.At birth, a baby panda is about… birth v. 出生 at birth 出生时 e.g. Man’s nature at birth is good. 人之初，性本善。 give birth to… 生（孩子）；产生 e.g. My aunt gave birth to a beautiful baby girl yesterday. 昨天我婶婶生下一个漂亮的小女孩 2. A panda can live up to 20 to 30 years.(大熊猫最多能活20到30年) up to 到达（数量，程度等）；不多于任务三:口语练习 1.模仿1a 熊猫信息图，结合听力内容，比较adult panda 和baby panda 2.明确1d 题目要求，小组练习示范会话 3.小组竞赛，根据已有的信息，轮流描述熊猫的特点，使用不同句式。教师出示一些幻灯片辅助数字，比较级学习课堂小结本节课我们通过听力信息了解了大熊猫的相关情况；学习了比较两动物时如何描述高或矮多少厘米，重多少倍，比重得多，比重量少得多，比吃得多几倍，少几倍。你们掌握了多少？达标测评一．写一写，译一译。 1. 重量是（v.）weigh 2.出生时at birth 3.成年的，成人 adult 4.到达（某数量，程度等），至多有，不多于up to5.熊猫宝宝baby panda 6.大象高3.5米，重达5000千克。 The elephant is 350cm tall and weighs 5000 kilos. 7.成年熊猫要比熊猫幼仔重许多倍。 An adult panda weighs many times more than a baby panda. 二．根据句意及首字母提示完成单词 1.The panda can stand on two legs. 2.If you weigh__ 90 kilos on the earth, how heavy are you on the moon ? 3.You are already an adult_ now because you are 25 years old. 4.At birth____, a baby panda is about 20 cm long. 5.I’m going to sail across the Pacific_ Ocean. 三．单项选择 ( B ) 1.If there is ____ pollution, the air in our city will be ___ dirtier . A. less; more B. more; much C. less; less ( C )2.___ birth, the baby panda is ____ others. A. On; as twice as big as B. In; as big as twice C. At; twice as big as ( A )3.My grandma is a happy and healthy woman and she’ll live __ 100 years old. A. up to B. to C. up ( A )4.The world’s population is growing ___ and there is ___ land and water for growing rice. A. larger; less B. larger; fewer C. more; less 板书设计 Unit 7 section B（1a-1d） 1.…weigh/eat many times more than… 2.…200 cm taller/shorter than 3.…weigh/eat much more than … 4.at birth 5.…live up to… 5.stand on two legs 6...kilos of... 作业写作练习,根据1a和1b 信息写两段话，分别描述elephant和panda,用上比较级。教学反思

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