英语人教版八年级下册Unit 7 Section A 1a—2d.docx

Unit 7 Whats the highest mountain in the world? Section A 1 (1a 2c ) By Chen Liyun一、Learning goals学习目标：1语言目标：掌握本单元重点词汇及能用比较级和最高级谈论世界之最。2 技能目标：能听懂和谈论有关地理和自然的话题,在听力训练过程中捕捉数字信息。3 情感目标：培养学生热爱大自然，保护环境的意识。二、The important points学习重点：短语: in size, in the world, 2 meters tall/long/wide, the biggest population, one of the biggest, 句子: 1. Whats the highest mountain in the world?Qomolangma.2. How long is Qomolangma?Its 8,844.43 meters high. Its higher than any other mountain.3. Which is the deepest salt lake in the world?The Caspian Sea is the deepest of all the salt lake.4. Did you know that China is one of the oldest countries in the world?Yes, I did. Its much older than the US.三、Difficulties 难点：1. 对事实和数字进行比较。2. 准确记录所听到的大数字四Ways of teaching 教学方法：情景教学法、任务型教学法、多媒体教学法。五Learning procedures学习过程Step 1 Review复习形容词的比较级和最高级high _ _, deep _ _, big _ _, long _ _,old _ _, young _ _Step 2 Presentation square n. 平方 meter n. 米 deep adj. 深的 desert n. 沙漠 population n. 人口 in Asia n. 亚洲 Step 2 Warming-up1. Watch the photos and talk about the facts of qomolangma, the Sahara, the Caspian Sea and the Nile. Ask “-How big/high/long/big is? Answer: - Its meters/kilometers/cm big/high/long/big.Step 3 1a Match the facts you know.Practice in pairs using the information in 1a.Qomolangma about 9,600,000 square kilometers in sizeThe Sahara1,025 meters deepThe Caspian Sea6,671 kilometers longThe Nile8,844.43 meters highStep 4 Listening 1. 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.2. 2a Listen and number the facts(1- 4) in the order you hear them.2b Listen again and fill in the blanks in 2a with the numbers in the box.6,300 5,000 5,464 300_ The Yangtze River is about _ kilometers long and the Yellow River is _ kilometers long._ China has the biggest population in the world. Its a lot bigger than the population of the US._ China is over _ years old. It has a much longer history than the US. The US is not even _ years old._ China is almost as big as the US, but it is the biggest country in Asia.Step 5 Practice Make conversations in pairsStep 6 Summary1、 会读，会用下列数字的英文表达法个 one, 十 ten, 百 hundred, 千 thousand, 万 ten thousand, 十万 hundred thousand, 百万 million, 千万 ten million, 亿 hundred million, 十亿 billion, 百亿 ten billion , 千亿 hundred billion, 2. 读出数字 34, 56, 300, 5000,5464, 6300 8848.343. 带小数的读法（小数点读成point.）Step 7 Homework1.Can you think of more example