英语人教版八年级下册Unit7 第二课时Section A(3a~4c).docx

第二课时Section A(3a4c)一、 教学目标：1、语言目标：掌握本单元重点单词、词组、句式。能够用比较级和最高级谈论事物。重点单词;paragraph(n.)段；段落thick(adj.)厚的；浓的include(v.)包括；包含condition(n.)条件；状况succeed(v.)实现目标；成功Japan(n.)日本achieve(v.)达到；完成；成功force(n.)力；力量nature(n.)自然界；大自然ocean(n.)大海；海洋重点词组;the Pacific Ocean 太平洋take in 吸入；吞入（体内）in the face of面对（问题；困难等）achieve ones dream 实现某人的梦想even though即使重点句式：One of the worlds most dangerous sports is mountain climbing.世界上最危险的运动之一是登山。One of the main reasons is because people want to challenge themselves in the face of difficulties.其中一个主要原因是人们想在困难面前挑战自我。能够用比较级和最高级谈论事物。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、教学重难点;形容词和副词的比较级和最高级变化规则和用法。三、教学课时;1课时四、教具准备;多媒体课件、图片五、教学过程;学生自学新单词（教材P51-52的单词），看谁记得又快又准。（2分钟）1.paragraph段；段落2.thick厚的；浓的3.include包括；包含4.condition条件；状况5.succeed实现目标；成功6.Japan日本7.achieve达到；完成；成功8.force力；力量9.nature自然界；大自然10.ocean(n.)大海；海洋11.the Pacific Ocean太平洋【新词自查】根据句意及汉语提示完成句子。1.My hobbies include（包括)reading and painting.2.The ice on the lake is thick （厚的)enough to skate on.3.Peoples living conditions （条件)are becoming better and better.4.I think you are sure to succeed （成功)if you work hard.5.Wild animals should live in the nature （自然界）.课堂教学步骤Step 1 情景导入T：We have known something about Qomolangma. Its one of the most dangerous mountains in the world. However, millions of mountain climbers want to reach the top of it. Some of them even risk their lives. Today, we will learn more about them.Question:Teacher：Why do so many people want to reach the top of Qomolangma?S：I think环节说明：通过介绍攀登珠峰这一危险运动导入新课，既激发了学生的学习兴趣，又鼓励学生在生活中要有克服困难的勇气。Step 2 完成教材3a3c的任务1.学生自读3a, 完成3a 中的匹配任务。（2分钟）2.播放录音，学生跟读课文，邀请部分学生朗读表演，教师予以纠正。（4分钟）3.学生完成3b的表格填充, 邀请学生说出答案。（2分钟）4.学生完成3c，邀请几位学生将答案书写在黑板上，统一纠正。（2分钟）5.教师翻译文章内容，并讲解单词、短语及句子。根据汉语提示完成句子，每空一词。1.世界上最危险的运动之一是登山。One of the worlds most dangerous sports is mountain climbing.2.喜马拉雅山流经中国的西南部。The Himalayas run along the southwestern part of China.3.当你到达山顶，呼吸空气会很困难。Its hard to take in air when you get to the top of the mountain.4.即使天气很冷，王先生也每天早上锻炼。Mr.Wang takes exercise every morning even though its cold.5.面对危险你应该保持冷静。You should keep calm when you are in the face of danger.环节说明：在阅读理解训练中，学生将自己所学的知识进行运用，从而巩固所学知识。Step 3 完成教材Grammar Focus的任务1.学生自主朗读表格中的句子。（1分钟）2.教师讲解比较级和最高级的知识点3、做相关练习:写出下列单词的比较级和最高级;1. good2. comfortable3. big4. happy5. cheap6. many7. difficult8. little按要求改写下列句子, 每空一词。1Im taller than Jim.（改为同义句）Jim is shorter than I2The Caspian Sea is the deepest salt lake in the world.（改为同义句）The Caspian Sea is deeper than any other salt lake in the world.3.Betty is ten years old. David is twelve years old.（改为同义句）David is two years older than Betty.4This question is easier than that one.（改为否定句）This question is more difficult than that one.环节说明：通过针对性语法训练进一步强化知识目标。Step 4 完成教材4a4c的任务1.学生完成4a，并邀请部分同学说出自己的答案，统一纠正，然后学生朗读句子。（3分钟）2.学生完成4b, 邀请两位学生将句子写在黑板上，核对答案。（1分钟）3.学生根据自己的实际情况完成4c, 然后邀请部分学生说出自己的句子。（3分钟）环节说明：学生在说、读和写的综合训练中进一步巩固了所学知识，语言和知识目标得以实现。六、Homewor