英语人教版八年级下册Unit 7 1a-2d.docx

Unit 7 Whats the highest mountainin the world? Section 1a-2d 尹村中学 李秀荣教学目标：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：能听懂和谈论事物的长度，高度，宽度，深度和面积。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 thebiggest, the most popular question, talk about, the ancient emperors, the mainreason, as far as I know, no man-made objects,Feel free to do sth 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。教学步骤：Step 1 Presentationsquaren. 平方 meter n.米 deepadj. 深的desertn.沙漠 population n.人口 population n.人口Asian. 亚洲 tourv.n.旅行 touristn. 旅行者walln.墙 amazing adj. 令人大为惊奇的ancientadj.古代的 wideadj. 宽的；宽阔的Step 2 Warming-up1. Watch the photos and talk about them “How big/high/long/wide is ? and help the students to answer: Its meters/kilometers/cm big/high/long/wide.2. Look these photos and practice the dialogue:e.g.A: How high is Qomolangma? B: Its 8,844 meters high. A：Whats the highest mountain in the world? B: Qomolangma.Step 3 1a Match the facts you know.Practice in pairs using theinformation in 1a. Qomolangma about 9,600,000 square kilometers in size The Sahara 1,025 meters deep The Caspian Sea 6,671 kilometers long The Nile 8,844.43 meters highStep 4 Explaination8,844meters 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 metres wide.Step 5 Listening 1. 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.2bListen 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 6 Practice 1c 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 7 2d Read the conversation and answer the questions: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 todays 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,Jacks got twin sisters. 就我所知，杰克有一对孪生姐妹。 Theyre not coming today