英语人教版八年级下册unit7 section1a-2d.doc

Unit 7 Whats the highest mountain in the world? 1a-2d教学设计教学目标：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, 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.【来源：21世纪教育网】-Which What is the deepest salt lake in the world?-The Caspian Sea is the deepest of all the salt lake.2-1-c-n-j-y-Did you know that China is one of the oldest countries in the world?【版权所有：21教育】-Yes, I did. Its much older than the US.教学难点：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 GreetingsStep 2 Teaching the new wordsStep 3 Warming-up Talk about some pictures.Which is the highest mountain in the world?Which is the longest river in Asia?. Step 4 1a Match the facts you know.1. Get the students to read through the pictures in Activity 1a and match.www-2-1-cnjy-com2. Get them to make the information into a sentence.21教育名师原创作品Explaination: 8,844 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 5 show some geographical facts and make conversations in pairs. 21世纪教育网版权所有1. Get the students to listen and complete the sentences.21comListen again and listen and repeat after the tape.Step 6 Work on 1b Listen and complete the sentences.Step 7 Work on 2a Show some knowledge about China. .Step 8 Work on 2b Listen again and fill in the blanks in 2a with the numbers in the box.population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。 这个城市的人口是600万。The population of this city is six million中国的人口比美国的人口多很多。The population of China is much larger than that of the USA. Step 9 Work on 2cGet the students to have a dialogue like the one in 21. Did you know that China is one of the oldest countries in the world? that China is是know的宾语从句。尽管主句的动词是过去时态，但由于宾语从句陈述的是客观事实，所以从句仍用一般现在时。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。21cnjy他比我跑得更快。He runs even faster than I. 日本土地面积只比德国大一点儿。 Japan is a little larger than Germany in area.Step 10 Work on 2d Read the conversation and answer the questions:1) What is this conversation about？【来源：21cnj*y.co*m】2)How long is the Ming Great Wall?Step 11 Language points and summary1. Fell free to ask me anything on todays Great Wall tour.21世纪*教育网 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。21*cnjy*come.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.21*cnjy*com 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, so far as I know.21教育网 他们今天不来了 就我所知是这样的。man-made为合成形容词，意为“人造的”。英语中像这样与-made复合而成的形容词还有：handmade(手工制作的)、homemade (家庭制作的)、machine-made (机制的)、tailor-made (量体定制的；特制的；定做的)等，用以描述产品的生产或制造手段、特点等，甚至还有像self-made (自学而成的；自我奋斗而成的；天然形成的)可以用来描述人。3. the Ming Great Wall 明长城“明长城”是指明朝时期为了防御北方游牧民族的骚扰，历时一百多年在北部地区 修筑的军事防御工程。这段长城东起辽宁虎山，西至甘肃嘉峪关，从东向西横贯多个省、 直辖市、自治区，全长约8850千米，是现存历代长城遗迹中最完整、最坚固的。Step 12Enjoy a short video about the beautiful scenery of natureStep13 Show one picture about the environmental pollution and one picture of the earth, to tell the students to pr