英语人教版八年级下册Unit7 1a~2c.doc

Unit 7 Whats the highest mountain in the world?教学目标：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。教学重难点：1、形容词和副词的比较级和最高级变化规则和用法。 2、 物体之间的对比教学步骤： Step 1 Warming-up1. Watch the photos and lets enjoy the beautiful scenes all over the world.2. Look these photos and look at the numbers.9,600,000 square kilometers in size1,025 meters deep6,671 kilometers long8,844.43 meters highStep2 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 3 Language points8,844 meters high. 8,844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 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.Step5 Practice 1、1c Make conversations in pairs.Examples A: Did you know that China is one of the oldest countries in the world?B: Yes, I did. Its much older than my country.2、Ask some students act out their conversations.Step 6 Language points and summary1. populationpopulation意为“人口数量”，谓语动词要用单数形式。 询问人口数量时要用“Whats the population of .?”提问，而不用how many或how much等提问。表示人口“多”要用large或big；表示人口“少”要用small。 The population of this city is six million这个城市的人口是600万。2. Its much older than my country.much higher 意为“高得多”。在形容比较级前还可以用much, even, a little, still ,a lot, less等修饰词表示程度He runs even faster than I. 他比我跑得更快。课时重点回顾Whats the population of .?It is meters high (long, wide).much, even, a little, still ,a lot, less+形容词比较级Step 7 Exercise1. My brother is _ more outgoing than me. A. many B. little C. much2. October 12th was one of _ days in 2005. Shenzhou-VI was launched(发射) successfully. A. exciting B. more exciting C. the most exciting3. Which city is _, Beijing, Shanghai or Fuzhou? A. beautiful B. more beautiful C. the most beautiful4. 11.Everyone knows Canada is the second largest country in the world.That is，it is larger than_country in Asia.Aany Bany other Cother Danother5. Of the two skirts, the pink one is _. A. the nicest B