Whats the highest mountain in the world集体备课备注课题人教版英语八年级下册Whats the highest mountain in the world?第1课时导学案课型新课一、学习目标：1语言目标：掌握本单元重点词汇及能用比较级和最高级谈论各之最。2 技能目标：能听懂和谈论有关地理和自然的话题。3 情感目标：培养学生热爱大自然，保护环境的意识。二、学习重难点识记形容词和副词比较级变法的多条规则；使用比较级来描述人的外貌。三、预习感知：、写出下列单词的比较级和最高级high deep big long old young 、请根据预习写出下列短语1.最高的山 2.最长的河 3. 1025米深 4.八百万平方公里 5.的人口 6的高度 7.和一样大 8.少于的长度 9.最古老的国家之一 四、合作探究1. 观察图片并讨论完成1a, 和你的同伴讨论你所遇到的烦恼及解决方法。2. 大声朗读1a中的句子，然后使用1a中的信息编写对话,完成1c并作出展示。3. 用2a和2b中的信息编写对话，小组成员合作完成2c。4. 完成2d，分角色表演对话，勾画出其中的重点短语，小组讨论解决疑难问题，并尝试背诵对话。5.听力训练，完成1b，2a，2b。6.探究解惑1.long的名词性是 翻译成 ，high的名词形式 翻译成 ，表达东西的长度可以有两种方法 例如：这条河100米长。（1）The of the river is 100meters. 2）The river is 2. One of the most endangered animals in the world the giant panda.China one of the oldest civilizations in the worldone of +名词复数，谓语动词要用 数。 eg：其中一本书是新的。 3. The population of the world is 6400000000.对人口这个数字划线提问要用 特殊疑问词 。 the population of the world？4.as big as 和一样大 asas 之间的形容词用 级。来源:www.shulihua.netThe Yellow river is not as long as the Yangtze river.否定形式not asas 意为 。 5. Can you tell me a bit more about China?我们学过的可以修饰比较级的副词和短语还有 注意比较级和最高级Which is the second longest river in China?Which river is longer ,the Nile or theYellow River?最高级一般用于 者以上相比，最高级前一般要加定冠词 ，比较级一般用于 者之间的比较，被比较者用 引出。五、检查反馈、用括号中所给词的适当形式填空。1.There less pollution and more trees in 100 years.(be)2. People wont do housework any more because they have _ to help them in 50 years.3. There are too many _ (planet)in the shy. 4. Many famous _ (predict) have come true these days.5. Dont sit on the window, you will be in _ (dangerous).、单项选择。1. Its _ in the world .A .the biggest desert B. biggest desert C. the biggest deserts D. bigger desert 2. There are no man-made structures as _ as the Great Wall A. bigger B. big C. bigger D. the biggest 3. The Nile is 6,470 _A .kilometers B. kilometer C. kilometers long D. kilometer long 4. Mount Tai is _ lower than Qomolangma .A .lots of B. many C .very D. much 5. Shanghai is one of _ in the world .A .more big city B. the biggest city C. the biggest cities D .the most big city 6.All Chinese people hope that Li Na will win _gold medals in the future.A. fewer B. less C. many D .more 、将下列句子中的汉语部分译成英语。1.I hope_（一切免费）in the future.2.I believe she will be a famous singer_（十年后）.3. _（数百个学生）are playing on the playground.4. _in every family in 100 years.（将有一个机器人）5. Can you give me _？（几张红纸）六、课堂反思 通过本节课的学习我最大的收获_感到自己有待加强的是_ 教学反思：