英语人教版八年级下册unit7 第一课时教案.docx

Unit 7 Whats the highest mountain in the world?Section A 1 (1a 2d)教学目标：1语言目标：掌握本课重点词汇及能用比较级和最高级谈论各之最。2 技能目标：能听懂和谈论有关地理和自然的话题。3 情感目标：培养学生热爱大自然，保护环境的意识。教学重点：短语: in size, in the world, 2 meters tall/long/wide, the biggest population, one of the biggest, the most popular question, talk about, the ancient emperors, the main reason, as far as I know, no man-made objects,句子: Whats the highest mountain in the world?Qomolangma.How long is Qomolangma?Its 8,844.43 meters high. Its higher than any other mountain.Which is the deepest salt lake in the world?The Caspian Sea is the deepest of all the salt lake.Did you know that China is one of the oldest countries in the world?Yes, I did. Its much older than the US.教学难点：形容词和副词的比较级和最高级变化规则和用法。 物体之间的对比。教学步骤Step 1:RevisionRevise Unit6Step 2 Presentation1. Show some numbers2 Qomolangma,The Sahara,The Caspian Sea,The NileStep 3 1a Match the facts you know.Qomolangma about 9,600,000 square kilometers in sizeThe Sahara1,025 meters deepThe Caspian Sea6,671 kilometers longThe Nile8,844.43 meters highStep 4 Explanation8,844.43 meters high. 8,844.43米高 meters high (long, wide)米高（长,宽)。英语表示“有多长（宽，高）”时，一般将数词和数量单位放在表示长宽高的形容词前作状语。e.g. The wall is 1.7 meters wide. Step 5 Practice in pairs using the information in 1a.1. A: Which is the highest mountain in the world? B: Its Qomolangma.2. A: How high is Qomolangma?B: Its 8,844.43 meters high.Step 6 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 7 Practice 2c Make conversations in pairs.Examples A: Did you know that China if one of the oldest countries in the world?B: Yes, I did. Its much older than my country.Step 8 2d 1. Read the conversation and answer the questions:1) Which is the biggest man-made object in the world？2) Which is the most famous part of the Ming Great Wall?2. Translate and analyse the conversation. 3. Role-play the