人教版八年级英语下册 Unit 7 section A Grammar Focus-4c 教学设计

英语学科集体备课 学科 英语 主备人 总课时 课题 Unit 7 Grammar Focus 课时 1 课型 语法课 教学目标 1. 学习并掌握下列单词： ocean, the Pacific Ocean 2. 能正确使用以下常用表达： how high, longer than, the deepest salt lake, as popular as, the Yangtze River, 3. 能熟练掌握并使用下列重点句式： 1）—How high is Qomolangma —It’s 8,844.43 high. 2）—Did you know that China is one of the oldest countries in the world — Yes, I did. It’s much older than the US. 3）—Which is the deepest salt lake in the world —The Caspian Sea 教学重点 学生能从更多典型的句子中掌握形容词、副词比较级、最高级更丰富的用法。 教学难点 学生根据真实情景运用比较级、最高级表达事物之间的不同之处。即在口头和笔头顺利输出4b和4c 课 堂 教 学 设 计 教学环节 教学过程 二次备课 第一步:交流感知 环节一：师生活动 What’s the highest mountain in the world Which is the deepest salk lake in the world What’s the biggest desert in the world 环节二：学生活动 1.原级 构成：as+adj./adv.+as像……一样 2.比较级（两者之间的比较） 构成:形容词比较级+than…比…更… 3.最高级（三者或三者以上的比较） 构成：the+形容词最高级+of/in…当中最… 4. 比较级前可加much, a lot, a bit, a little, any, no, some, even, still等词修饰。如： You must work much faster.5. 形容词最高级常用于句型“one of +the+ 形容词最高级+可数名词的复数形 式”，意为“最……之一”。如： Liu Li is one of the most popular girls in our class. This book is even more useful than that one. 第二步： 探究新知 环节一：学生活动 Read the sentences in 4a. Make sure all the Ss know the meaning of the sentences. Let Ss think and try to do themselves: 环节二：点拨训练 Fill in the blanks with the correct forms of the words in the box 1. The Amazon River is one of the _____ rivers in the world. It’s a little _____ than the Yangtze River. 2. Qomolangma is 8,844.43 meters _____. It’s one of the most _____ places for serious mountain climbers. 3. No ocean in the world is as _____ as the Pacific Ocean. 4. Although Japan is _____ than Canada, it is _____ smaller. 第三步 ： 巩固训练 环节一：学生活动 任务：读懂4b的题目要求，让学生自己讨论。 环节二：点拨训练 4b.Write two comparisons about two topics . Two rivers: _____ and _____ _____Two cities: _____ and _____ 1. _____ 2. _____ Two animals: _____ and _____ 1. _____ 第四步： 拓展应用 环节一：学生活动 1. 比较级前还可加其他表示数量的词。如： My sister is ten years younger than me. We reached here two days earlier than the others. 2. 形容词最高级可被second, third等序数 词修饰。如： The building is the second tallest in this city. 3. 形容词和副词的比较级和最高级可以互 相转换。如： Jane is taller than the other girls / any other girl in the club. = Jane is the tallest girl in the club. 环节二：点拨训练 Write five questions using comparisons. Then ask your partner your questions. 第五步： 总结归纳 环节一：师友梳理1.What have you learned this class (这节课你掌握了哪些知识？) 2.What do you think of your partner and yourself (你们师友两人表现如何？) 3.Which is the best pair (你认为哪组是最佳师友？) 环节二：教师总结 1. Grammar: 形容词 ... ...