八年级下册英语

Unit 7 Whats the highest mountain in the world? -杏子中学 李爱娥本单元学习目标解析知识目标：1. 必记单词：square, deep, population, protect, thick, include, succeed, achieve, weigh, research, excitement, remain, adult, government.2. 常考短语: in the face of, at birth, take in, die from3. 经典句型: 1)Qomalangma is higher than any other mountain in the world. 2)China has the biggest population in the world. 3)Its much older than the US.4. 重点语法: 大数的表达与朗读；形容词和副词的比较级和最高级技能目标：掌握课文中的重点词汇及相关短语，并灵活运用；学会朗读较大的数字；学会用比较级和最高级比较食物。情感态度：了解中国的地理概况和珍稀动物；培养热爱祖国、热爱自然的情怀。Period 1( Section A 1a -1c) 课型：听说课Teaching Aims:New words: square, meter, deep, desert. Qomolangma, Nile, Caspian, Sahara. Key phrases: .meters long/deep/high, any other mountainKey sentences: 1.Qomalangma is 8,844.43 meters high. 2.Qomolangma is higher than any other montain in the world.3.What is the highest mountain in the world?Key points:1“数词+量词+形容词”结构作表语: Qomolangma is 8,844,43 meters high.2“any other + 单数名词”结构: Qomolangma is higher than any other mountaion in the world.3 . is + the+形容词的最高级+名词+in the world: Qomolangma is the highest mountain in the world.4 大数的表达与朗读Difficult points: key pointsPrevision (homework):1 Students read the new words by themselves.2 Finish the exercises: 1) 16 is the s_ of 4. 2) The lake is so d_. 3) Qomolangma is the _(最高的) mountain in the world. 4) The Sahara is bigger than any other _(沙漠). 5) This river is about 3400 _(米) long.Teaching tools:Blackboard, tape player.Teaching procedures :Step 1.Lead-inT: Boys and girls, whats your favorite subject? Do you like geography? Then I want to ask you some questions about geography. What is the longest wall in the world? What is the highest mountain in the world? What is the longest river in the world?(Ask some Ss to answer the questions.They can answer the questions in Chinese.) Yes, you are so good at geography. This class we are going to study unit 7 Whats the highest mountain in the world?We are going to talk about wonderful mountains, rivers, lakes and deserts in the world in this unit. First, lets come to the new words. Step 2 Presentation1.Words:1) Ask some Ss to read the new words.2) Show how to read them.2.Check the answers of the exercises for prevision :square, deep, highest, desert, meters3.Work on 1a1) T: I know you are so good at geogragphy. Let me see how much you know about Qomolangma, the Nile, the Caspian and the Sahara.Please match the facts you know in 1a.2) Check the answer: 1-d, 2-a, 3-b, 4-c.3) Read the facts.4.Work on 1b 1) Ask Ss to read the sentences with blanks and make a prediction. 2) Play the tape 2 times.The first time Ss just listen.The second time Ss fill in the blanks. 3) Check the answers: higher, the biggest, the deepest, the longest 4) Ask Ss to read after the tape sentence by sentence. 5) Stress how to read the numbers. Step 3 PracticeWork on 1c1) Ask 2 Ss to read the example.2) Ask Ss to practice the example in pairs and then make new conversations.Step 4 Show TimeAsk several pairs to show their conversations.Step 5 Summary1) Lead Ss to relate what they learn.2) Make a conclusion(-Teaching aims).Exercises for revision:一、单项选择1.Bob jumps farther than _ in his class.A any other boys B the other boys C any boy D another boy 2.The Yangtze River is about _.A 6300 kilometer long B 6300 kilometers long C 6300-kilometer long D 6300 kilometers long3. The girl is _ than any other girl in her class.A more beautiful B the most beautiful C beautiful D much beautiful二、根据汉语提示完成句子4.那栋楼二十米高。That building is _ _ _.5.珠穆朗玛峰比世界上其他任何一座山高。Qomolangma is _ _ _ _ _ in the world.6.里海有1025米深。The Caspian Sea is _ _ _.7.撒哈拉沙漠是世界上最大的沙漠。The Sahra is _ _ _ in the world. 8.这个古老城市的面积大约是326平方千米。The old city is about _ _ _.9.它是棵十米高的树。Its a _ tree.讲解一、square的用法：1. 做不可数名词，意为“平方”The old city covers an area of a