八年级英语Unit7sectiona3a-3c教案.docVIP

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等句子: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.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。Section A 2 (3a 3c)Step 1 RevisionLook at the photos. Answer the following questions.Which is the highest mountain in the world ？ Which is the longest river in Asia Step 2 Learn the new words.1. achievement n. 成就；成绩 e.g. We felt a great sense of achievement when we reached the top of the mountain. 当我们到达山顶的时候，我们有一种巨大的成就感。2. achieve v. 达到；完成；成功 e.g. He will never achieve anything if he doesnt work harder.如果他不加紧努力工作，他会一事无成。3. southwestern adj. 西南的；西南方向的 e.g. Is this Southwestern Airline 这是西南航空公司吗？4. include v. 包含；包括 e.g. Her hobbies include swimming and gardening. 她爱好游泳和园艺。5. condition n. 条件；状况 e.g. The piano was in good condition. 这台钢琴状况良好。6. take in 吸入；容纳e.g. Fish take in oxygen through their gills. 鱼用鳃吸氧气。7. succeed v. 实现目标；成功e.g. If you try hard youll succeed. 你如果努力就会成功。常用短语：succeed in doing sth.Step 3 Pre-Read Talk below questions in pairs. What do you know about Qomolangma Is Qomolangma the most dangerous mountain in the world？Step 4 Reading自读文章，在书中划出重点、疑点后，翻译下列短语。先独立完成，后小组商议。1. 最危险的山峰 2.世界上最危险的运动之一 3.登山（名词短语）/（动词短语）4.来自世界各地的登山者5.横亘于中国的西南边界6.在所有的山峰中7.厚厚的云层 8.更为严重的困难 9.寒冷的天气状况和强劲的暴风雪10.首次到达珠穆朗玛峰顶的人3a Read the article and match each paragraph with the main ideas.3b. Read the article again and complete the chart.3c Answer the questions using information in the article.Step 5 Language points1.One of the worlds most dangerous sports is mountain climbing, “one of + the + 形容词的最高级 + 复数名词”，意为“最之一”。如： Miss Wang is one of the most popular teachers in our school.王老师是我们学校最受欢迎的老师之一。2. It is also very hard to take in air as you get near the top. It is + adj. + to do sth.， it作形式主语放在句首，而把真正的主语放在句尾。常用于此句型的形容词有important， difficult， dangerous， necessary， useful， possible等，用来对to do sth. 进行说明。此句型可以转换成To do sth. is + adj.。 Its very difficult to climb Qomolangma. 攀登珠穆朗玛峰很难。3. Even more serious difficulties include freezing weather conditions and heavy storms.difficulty 既可作可数名词也可作不可数名词。作可数名词时通常用复数，表示具体概念，即：各式各样的 “困难，难题，难事”，作不可数名词时，译作“困难，艰难，幸苦”，如：She had great difficulty in understanding him. 她很难理解他说的话。4. The spirit of these climbers shows us that we should never give up trying to achieve our dreams. give up 意为“放弃”，后面可以接名词、代词或v-ing形式作宾语。注意：如果其宾语是名词，那么名词可以放在 give 和 up 之间，也可以放在 up之后；如果其宾语是代词，那么代词只能放在 give 和 up 之间。如：My uncle wants to give up drinking wine. 我叔叔想戒酒。Although English isnt easy to learn, I wont give it up.虽然英语不易学，但我不会放弃。5. Why do so many people try to climb this mountain even though it is dangerouseven though 用作从属连词，意为“即使；尽管”，相当于even if，引导让步状语从句，一般不与并列连词but连用。如：Mr. Wang will come on time even though it rains.尽管下雨，但王老师会按时来。Step 6 Exercise To make sentences using the information in the forms. the Nile the Yangtze River the Yellow River6,6706,3005,500The Yellow River is long. The Yangtze River is a lot _ than the Yellow River.The Nile is _ of all. The Yangtze River is not