英语人教版八年级下册Unit7 SectionA1a-2b.docx

Unit 7What is the highest mountain in the world?The First PeriodSection A (1a2a)I.Teaching aims1.Keywords:square,meter,deep,desert,population,Asia,wall ,Qomolamnga,the Nile,the Sahara,the Caspian Sea, the Yangtze River,the Yellow River 2.Key phrases:manmade objects,as far as I know,feel free3.Important sentences:What is the highest mountain in the world?Qomolangma is higher than any other mountain in the world.China has the biggest population in the world.Its a lot bigger than the population of the US.It has a much longer history than the US.China is almost as big as the US.Did you know that China is one of the oldest countries in the world?How long is the wall?II.Important points:1.重点短语和句型2.形容词和副词比较级和最高级的用法III.Difficult points:1.重点短语和句型2.形容词和副词比较级和最高级的用法IV.Teaching processStep 1 Lead in(Show some pictures of Qomolangma,the Nile,the Caspian Sea and the Sahara to the students) (Point at the picture of Qomolangma)Teacher:What is it?Student 1:Its Qomolangma. Teacher:How high is it?Student 2:Its 8844.43 meters high.The teacher can help the student say the number.Teacher:Qomolangma is the highest mountain in the world.Let the students repeat. Then show the other pictures like this.Step 2 Work on 1a1c1.学生朗读1a中的数字,教师纠正错误,然后将1a的地理事物和实际情况连线,完成后集体核对答案。2.根据给出问题说出的句子：What is it?How high is it?加比较级或最高级如：Its Qomolangma.Its 8844.43 meters high.Qomolangma is the highest mountain in the world.3.认真听录音,将1b中的句子补充完整,完成后集体核对答案。4.再听一遍录音。5.两人一组利用1a和1b中的信息仿照1c的形式编练新的小短文。Step 3 Work on 2a2c1.听录音,根据听到的顺序为句子标号,集体核对答案。2.再认真听一遍录音,将2a中的数字填在合适的句子中,完成后集体核对答案。3.两人一组利用2a句子中的信息,仿照2c的形式编练新的对话,邀请几组学生表演新的对话。Step 4 Work on writingIts Qomolangma.Its 8844.43 meters high.Qomolangma is the highest mountain in the world.Language points1.population的用法.（1）population直接作主语时意为“人口数”,这时谓语动词要用单数形式。但是如果部分人口(分数、百分数)作主语,谓语用复数。（2）表示“某地有多少人口”有两种表达方式： a.The population of 某地be数词(该句型中population前用冠词the); b.某地has a population of 数词(people)(该句型中population前用冠词a)。（3）“某地有多少人口”要用“What i