初中英语人教版八年级下册Unit 7 Section A.doc

Unit 7 Whats the highest mountain in the world?Period One (Section A 1a-1c) 沙湾县第四中学 张雪芹教学目标：知识与技能1. Master the key words and expressions: square，meter，deep，desert，population，Asia，wall，tour，tourist，ancient，protect，wide2. Learn to talk about geography and nature.3. Be able to compare facts and figures.4. Develop student s listening and speaking skills.过程与方法:Employ task-based teaching mode，and get the student to learn basic sentenc patterns by listening and drilling.情感、态度与价值观: Lead students to love nature.重点难点:重点:1. Master the key words and phrases.2. Learn to compare facts and figures.3. Develop student s listening and speaking skills.难点:Develop students listening and speaking skills.教学准备:An english book, the multimedia教学步骤：Step 1： Lead-inGreet the whole class as useal and show the studying alms in this class教学设计说明：明确本节课的学习目标有哪些。Step 2： Learn the new words.Show the new words first let ss try their best to read them. two minutes to remember their pronunciation and chinese meaning. After that， match the words with the conect meaning.教学设计说明：学习新单词，为后面的教学做铺垫Step 3： Task 1 ：can you read them？To show some numbers：300,668,1000,56464,8658342.Another 4 numbers on blackboard：9600000,1025,6671,8844.43 Let students work in pairs to read them correctly and fluently.T：（Point to the number 8844.43）When you look at this number，what will you think？Ss：珠穆朗玛峰。T：Very good.Lets enjoy some pictures about Qomolangma, The Caspian sea,The nilk and the sahara at the same time，teach to read four place correctly.教学设计说明：通过数字8844.43引出珠穆朗玛峰，并依次学习珠穆朗玛峰，尼罗河。里海，撒哈拉沙漠这四个地名。Step 4：Task 2：用形容词描述这些河流山脉等.T：There look at the chart. We can say The sea is deepWhat words can we use to describe them. Lets talk about them.The answers may be:The Caspian Sea is the deepest salt lake in the world.The Saraha is the biggest desert in the world.The Qomolangma is the highest moutain in the world.The Nile is the longest river in the world.After that, ask Ss to have a look ,at the chart in lato know what to do in this activity.Give them one minute to match the facts. Later, check the answers together.教学设计说明：复习最高级用法，学生初次学习度量的用法。Step 5: Task three: listening practice T：There are four sentences in 1b，some words are mising .So you need to complete them. Before that，Lets make a prediction：what will be filleed in the blanks？Ss 形容词比较级和最高级.T：very good. Now，lets listening carefully to fill in the blanks with what you hear.Finally，invite the student to read his or her complete sentences to check the answers.教学设计说明：通过听力来进一步巩固比较级和最高级。Step 6 ： Pair Work Use the information in 1b to make conversations A: What is the highest mountain in the world? B: Qomolangma. Give students one minute to prepare for it, then make a show. 教学设计说明：通过小组合作的对话，来进一步巩固该课时的目标语言。Step 7 : Task four Describe the places according to the information in 1a and 1b. For example: Qomolangma is higher than any other mountain in the world. It is 8,844.43 meters high. 教学设计说明：将最高级和度量表示方法结合运用。Step 8: Task five 拓展活动 1 To show some numbers on the screen. First let them to read the numbers.then choose a number to say a sentence. 2 Question: Which is the largest number ? 9,600,000is the largest number. The largest number is 9,600,000. 9,600,000 is larger than any other number. 教学设计说明：一方面练习大数字的表达，另一方面训练学生的发散思维，巩固形容词最高级及比较级表达最高级含义的用法。Step 9: Summary Let students sum up what you have learned in this class.Step 10: Homework: 1. Remember the words and the key sentenses.2. Do some exercises for consolidation.Step