Unit 7 Whats the highest mountain in the world? 1a-2d教學設計教學目標：1語言目標：掌握本單元重點詞匯及能用比較級和最高級談論各之最。2 技能目標：能聽懂和談論有關地理和自然的話題。3 情感目標：培養學生熱愛大自然，保護環境的意識。教學重點：短語: 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.【來源：21世紀教育網】-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?【版權所有：21教育】-Yes, I did. Its much older than the US.教學難點：1. 形容詞和副詞的比較級和最高級變化規則和用法。2. 物體之間的對比。教學步驟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教育名師原創作品Explaination: 8,844 meters high. 8,844米高 meters high (long, wide)米高（長,寬)。英語表示“有多長（寬，高）”時，一般將數詞和數量單位放在表示長寬高的形容詞前作狀語。e.g. The wall is 1.7 meters wide.Step 5 show some geographical facts and make conversations in pairs. 21世紀教育網版權所有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意為“人口數量”，謂語動詞要用單數形式。 詢問人口數量時要用“Whats the population of .?”提問，而不用how many或how much等提問。表示人口“多”要用large或big；表示人口“少”要用small。 這個城市的人口是600萬。The population of this city is six million中國的人口比美國的人口多很多。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的賓語從句。盡管主句的動詞是過去時態，但由于賓語從句陳述的是客觀事實，所以從句仍用一般現在時。2. Its much older than my country.much higher 意為“高得多”。在形容比較級前還可以用much, even, a little, still ,a lot, less等修飾詞表示程度。21cnjy他比我跑得更快。He runs even faster than I. 日本土地面積只比德國大一點兒。 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？【來源：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世紀*教育網 在今天的長城游中，大家盡管問我任何問題，不要拘束。fell free是英語口語中一個常用表達。若有人讓你feel free to do something, 就是讓你無需拘束，只管按照自己的意愿去做某事。21*cnjy*come.g. A: Can I use your bathroom? 我可以用一下你的衛生間嗎？B: Yes, feel free. 可以，請隨意。2. As far as I know, there are no man-made objects as big as this.21*cnjy*com 據我所知，再沒有像它這樣大的人造物體了。as far as I know是一個固定的表達方式，還可以說so far as I know, 意思是“據我所知”。e.g. As far as I know, Jacks got twin sisters. 就我所知，杰克有一對孿生姐妹。 Theyre not coming today, so far as I know.21教育網 他們今天不來了 就我所知是這樣的。man-made為合成形容詞，意為“人造的”。英語中像這樣與-made復合而成的形容詞還有：handmade(手工制作的)、homemade (家庭制作的)、machine-made (機制的)、tailor-made (量體定制的；特制的；定做的)等，用以描述產品的生產或制造手段、特點等，甚至還有像self-made (自學而成的；自我奮斗而成的；天然形成的)可以用來描述人。3. the Ming Great Wall 明長城“明長城”是指明朝時期為了防御北方游牧民族的騷擾，歷時一百多年在北部地區 修筑的軍事防御工程。這段長城東起遼寧虎山，西至甘肅嘉峪關，從東向西橫貫多個省、 直轄市、自治區，全長約8850千米，是現存歷代長城遺跡中最完整、最堅固的。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