英语人教版八年级下册Unit 7 3a--3c.doc

第四中学集体备课教案课题Unit7级部2015科目英语教学课时2主备教师杨雪媛 教材分析本单元话题是谈论世界知识，谈论地理与自然。在语法方面主要是让学生能表达较大的数字，能熟练运用形容词和副词的比较级，最高级。本单元集中呈现了大数字的读法和表示度量的结构，并进一步拓展了比较级和最高级的使用。1a-1c是单元的导入部分。活动1a的主题图呈现了Q omolangma, the Nile,the Caspian Sea和 the Sahara四幅图，从而引出该部分的重点，自然地理之最的相关数据。2a-2d的重点是听和说的教学。借助我国人口，历史，河流的话题内容，将学生带入我们自己的地理与人文语境中。听力活动按梯度设计，要求学生能够通过听获取地理知识中的一些重要数据及与之相关的文化信息。课标理念与设计说明 本单元借助世界地理知识通过语法形容词和副词的比较级和最高级谈论世界之最，复习了前面学过的知识，又补充了新的知识，让学生了解了世界知识和我国的一些自然的基本知识。在学习中能用英语介绍这些基本的知识。单元教学目标教学目标：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, mountain climbing, the southwestern part of China, thick clouds, cover the top, risk ones life, challenge oneself, achieve ones dream，the forest of nature, try to do sth., the spirit of the climbers, many times more than ,live up to, prepare for., be awake, be special to sb., spend some time doing sth., in the remaining forest, endangered animals, in the future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。 物体之间的对比。本课教学目标教学目标：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, mountain climbing, the southwestern part of China, thick clouds, cover the top, risk ones life, challenge oneself, achieve ones dream，the forest of nature, try to do sth., the spirit of the climbers, many times more than ,live up to, prepare for., be awake, be special to sb., spend some time doing sth., in the remaining forest, endangered animals, in the future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。 物体之间的对比。教学过程：教学环节教师活动预设学生行为修改批注Step1 RevisionStep 2 Learn the new words.Step 3 Before-ReadingStep 4 ReadingStep5 Practice Step 6 Language points and summaryStep 7HomeworkLook at the photos. Answer the following questions.Which is the highest mountain in the world?Which is the longest river in Asia? 1. achievement n. 成就；成绩e.g. We felt a great sense of achievement when we reached the top of themountain. 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Talk below questions in pairs.What do you know about Qomolangma ?Is Qomolangma the most dangerous mountain in the world？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.Paragraph 1 spirit of climbersParagraph 2 achievements of climbersParagraph 3 facts and dangersAccording to the passage, fill in the blanks.3b. Read the article again and complete the chart.Paragraph 1 Paragraph 2 Paragraph 3List tour dangers for climbers. List three achievements List tour comparisonsthick clouds 1953Tenzing Norgay and Edmund Hillary were the first to reach the top Most dangerous sport3c Answer the questions using information in the article.1. Where are the Himalayas? In the southwestern part of China.2. How high is Qomolangma? 8,844.43 meters high.3. Why do so many people try to climb this mountain even though it is dangerous?Because people want to challenge themselves in the face of difficulties.4. What does the spirit of the climbers tell us?We should never give up trying to achieve our dreams.1. 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.。e.g. It is important to study English well. 学好英语很困难。 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”，如：Hes having financial difficulties. 他正手头拮据。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 dangerous?even 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 ExerciseTo make sentences using the information in the forms.the Nile the Yangtze River the Yellow River6,670 6,300 5,500Retell the article, and then preview the Grammar focus. Students read and say out the wordse.g. A: How high is Qomolangma?B: Its 8,844 meters high.Answers: 1. the most dangerous mountain 2. one of the worlds most dangerous sports 3. mountain climbing/climb mountains4. the climbers from all over the world 5. run along the southwestern part of China 6. of all the mountains 7. thick clouds 8. more serious difficulties9. freezing weather conditions and heavy storms 10. the first people to reach the top of Qomolangma According to the passage, fill in the blanks. One of the most _ sports in the world is mountain _, and one of the most _ places to go for this is the Himalayas. These extremely high _ attract _ from all over the world. Many people say this is one of the most _ parts of the world. The Himalayas _ along the _ border of china. Of all the peaks (tops), Qomolangma is the _ and most _. Its _ to climb Qomolangma because thick clouds _ the top of the mountain. Even more serious _ include the freezing _ conditions and the _ storms. The first _ to reach the top of Qomolangma Tenzing Norgay and Edmund Hillary did it in 1953. The first Chinese climber _ the top in 1960, and in 1975, the first _ did it too.The Yellow River is long.The Yangtze River is a lot _ than the Yellow River.The Nile is _ of all.The Yangtze River is not _ long _ the Nile.= The Yangtze River is not _ than the Nile.Answers: longer, the longest, as as, longerQomolangma Mount Huang Mount Tai8,848 1,864 1,545Mount Tai is high. Mount Huang is a little _ than Mount Tai.Qomolangma is _ of all.Mount Tai is not _ high _ Qomolangma. = Mount Tai is not _ than Qomolangma.Answers: higher, the highest, as as, higherSingapore Malaysia China4,000,000 20,000,000 1300,000,0001. The population of Singapor