英语人教版八年级下册unit 7.docx

学校：岢岚三中 科目：英语 备课教师：八年级全体英语教师 主备人：张莉Unit 7 Whats the highest mountain in the world?第一课时：Section A （ 1a - 3c） 教学案设计学习目标： 1.Students learn the new words: square meter kilometer size desert Asia 2.复习形容词和副词的最高级，并让学生通过对话谈论世界之最。 A: What is the highest mountain in the world? B: Qomolangma. A: How high is Qomolangma ? B: Its 8,844 meters high.学习重点： 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。学习难点：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。、课时安排：一课时导学过程：一Learning by yourselves 自主学习,完成问题解决导学方案P143-144，2、3 二预习导学：写出下列单词的比较级和最高级1. good 2. comfortable 3. big 4. happy 5. cheap 6. many 7. difficult 8. Little 形容词和副词的最高级的用法1.表示三者或三者以上比较,可用”Which/Who +最高级,or ?”表示. Who is the tallest, Tom , Mike , or Jack?2. 最高级+of (同类比较) / in (范围比较) Tom is the tallest of the three. Tom runs (the) fastest in our class.3. 最高级前可用序数词 The Yellow River is the second longest river in China.4. one of +形容词最高级+名词复数表示“最 之一” Jack is one of the tallest students in our class.5.形容词的最高级通常要与定冠词 the连用，但当最高级前面有物主代词或名词所有格时，不加定冠词 the。Tom is Lucys best friend.Tuesday is her busiest day.3. 问题探究： Activity 1: 仔细观察课本1a的图片，小组为单位进行完成1a,并讨论在英语如何表示“有多长（宽，高）”Activity 2: 听课本1b的听力训练，完成1b的听力题。1b. Listen and complete the sentences.1. Qomolangma is_ than any other mountain in the world.2. The Sahara is _ desert in the world.3. The Caspian Sea is _ of all the salt lakes.4. The Nile is _ river in the world.Activity 3:Talk about these pictures in pairs.Which is the highest mountain of all the mountains?Which is the longest river in Asia?. 四.拓展延伸：Make sentences using the information in the forms.theNiletheYangtzeRivertheYellowRiver6,6706,3005,5001 The Yellow River is long.The Yangtze River is a lot _ than the Yellow River.The Nile is _ of all.The Yangtze River is not _ long _ the Nile.QomolangmaMountHuangMountTai8,8481,8641,545= The Yangtze River is not _ than the Nile.Mount Tai is high.Mount Huang is a little _ than Mount Tai.Qomolangma is _ of all.Mount Tai is not _ high _ Qomolangma. = Mount Tai is not _ than Qomolangma.五检测反馈： 完成问题解决导学方案 P146 ，2、3题。 六 学后记： 通过本节课我学到了 板书设计：Unit 7 Whats the highest mountain in the world?Section A （ 1a - 3c）1. high比较级 最高级 2. deep 比较级 最高级 3. big 比较级 最高级 4. asas和.一样 5.