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Unit 7 What s 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。教学重点：短语 : in size, in the world, 2 meters tall/long/wide, the biggest population, one of the biggest, the most popular question,句子 :What s the highest mountain in the world?Qomolangma.How long is Qomolangma?It s 8,844.43 meters high. It s 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. It s 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。课时划分：Period 1Section A 1 1a2dSection A 1(1a 2d)Step 1 Presentationsquare n.平方meter n.米deep adj .深的desertn.沙漠populationn.人口populationn. 人口Asian.亚洲tour v. n.旅行tourist n.旅行者walln.墙amazing adj.令人大为惊奇的ancientadj.古代的wideadj. 的； 和Step 2 Warming-up1. Watch the photos and talk about them“ How big/high/long/big isstudents to answer:It s meters/kilometers/cm big/high/long/big.2. Look these photos and practice the dialogue:e.g.A: How high is Qomolangma?B: It s 8,844 meters high.Step 3 1a Match the facts you know.Practice in pairs using the information in 1a.Qomolangmaabout 9,600,000 square kilometers in sizeThe Sahara1,025 meters deepThe Caspian Sea6,671 kilometers longThe Nile8,844.43 meters highStep 4 Explaination 8,844 meters high. 8,844 米高 meters high (long, wide) 米高（ ,宽 )。英 表示 “有多 （ ，高 ）” ，一般将数 和数量 位放在表示 高的形容 前作状 。e.g. The wall is 1.7 metres wide.Step 5 Listening1. 1bListen 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. 2aListen and number the facts(1- 4) in the order you hear them. ? and help th2bListen again and fill in the blanks in 2a with the numbers in the box.6,3005,0005,464300_ The Yangtze River is about _ kilometers long and the Yellow River is_kilometers long._ China has thebiggest population in the world. It s a lot bigger than the population_ 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 6 Practice1c Make conversations in pairs.ExamplesA: Did you know that China if one of the oldest countries in the world?B: Yes, I did. It s much older than my country.1) Which is the biggest man-made objects in the world？2) Which is the most famous part of the Ming Great Wall? Step 8 Language points and summary1. Fell free to ask me anything on today s Great Wall tour.在今天的长城游中，大家尽管问我任何问题，不要拘束。fell free 是英语口语中一个常用表达。若有人让你feel free to do something, 就是让你无需拘束，只管按照自己的意愿去做某事。e.g. A: Can I use your bathroom? 我可以用一下你的卫生间吗？B: Yes, feel free. 可以，请随意。2. As far as I know, there are no man-made objects as big as this.据我所知，再没有像它这样大的人造物体了。as far as I know是一个固定的表达方式， 还可以说 so far as I know, 意思是 “据我所知 ”。e.g. As far as I know, Jack s got twin sisters.就我所知，杰克有一对孪生姐妹。They re not coming today, so far as I know.他们今天不来了 就我所知是这样的。Step 9 HomeworkA: To memorize the important phrases and sentences.B: to make some dialogues about asking the size of objects.B: B:
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