英语人教版八年级下册Grade 8 setion A 1a-2d.doc

Unit 7 Whats the highest mountain in the world?Section A 1a-2d教学目标1. Improve the listening and speaking skills.2. 学习完成任务所需要的语言。3. 学会含有大数字的度量结构的表述，并掌握用不同句式表达比较级和最高级。教学内容1. 熟记短语和相关词汇。2. 学习大数字的表达。3. 比较级和最高级的运用。教学重难点1. 学习并掌握表达物体的长、宽、高、深和面积。正确运用形容词和副词的比较级和最高级。2. 学会含有大数字的度量结构的表述。3. 提高听说技能。教学思路和情感目标 本节课是第一课时，主要通过图片和视频引入本单元的教学话题，使学生对将要学的知识充满期待。通过听力练习、对话练习，提高学生的语言实践能力。 任务重点是最高级的构成和四个世界之最，通过读练，跟着听力模仿大数字的读法，鼓励学生多说多练，增强对大自然的探究兴趣。教学工具设计教学PPT 多媒体教学过程Step 1 Lead in 1.Watch a video.2. Ask the students to look at the pictures. Ask: Do you know these interest places? Qomolangma runs along the border between China and Nepal. It is covered with snow all the year round. Its 8844.43 high, the highest in the world. Its 26 kilometers long. The Nile is the longest river in the world. Its more than 6600 kilometers long. It runs through 9 countries, its one of the largest river flows through the international states in the world and runs into the Mediterranean Sea(地中海) in the end. The Caspian Sea is the biggest lake in the world. It lies in the border between Asia and Europe.The Sahara is the biggest desert in the world. It is located in the northern Africa, climate conditions are very bad, is one of the earths most not suitable for biological survival. The Yangtze River is the third longest river in the world, the first Asian rivers. Its 6211.31 kilometers long. The Yangtze River Basin, east-west width of 3219 kilometers, about 966 kilometers wide north-south, passing through 11 provinces. It runs into the East Sea in Shanghai finally.Step 2 1a 1.Talk about these pictures in pairsWhich is the highest mountain in the world?Which is the longest river in Asia?. 2. Look at the photos and talk about “How bighighlong is -?” and help the students to answer: Its -meterskilometers-bighighlongdeep.3. Practice in pairs using the information in 1a.4. 1a Match the facts you know.Step 3 Listening Task 1：Listen for the general idea of 1b.The main idea of the conversation is about_.A. Qomolangma B. Some geographical facts about the world.C. The Nile. Task 2: Listen 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.Explaination Qomoalangma is higher than any other mountain in the world.Higher than any other mountain 比其他任何山都高，any 指任何一个，后接单数名词。这种比较级可以替换为最高级形式，即：形容词比较级+than any other + 单数名词=最高级+单数名词。原句相当于Qomolangma is the highest mountain in the world.This book is more difficult than any other book here.=This book is the most difficult book here. 拓展 表示最高级的结构还有：形容词比较级+than the other +复数名词。 Asia is bigger than the other continents on the earth.亚洲是地球上最大的洲。Task 3 ：1c Use the information in 1b to make conversations.A: What is the highest mountain in the world?B：Qomolangma.A：What is the biggest desert in the world?B：The SaharaStep 4 Listening Task 1 : Listen and find the general idea of 2a 2b.The main idea of the conversation is about _.A. The Yangtze River in China。 B. The history of China.C. Some facts about China.Task 2 : Listen for the specific ideas. Listen and number the facts(1- 4) in the order you hear them.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.2b Listen again and fill in the blanks in 2a with the numbers in the box.Task3 ：2c Make conversations using the information in 2a.A: Did you know that Yangtze River is the longest river in China?B: Yes, I did. Its 6,300 meters long.B: Wow! Thats long! Explaination1.China has the biggest population in the world. Its a lot bigger than the population of the US.Population “人口”，作主语时谓语动词用单数。但是“分数百分数+of the population ”作主语时，谓语动词用复数。 The population of the city is three million.Three fourths of the population in the city are from other parts of the country. 拓展 表示“某地有多少人”用-has a population of -或the population of -is-.The city has a population of about six million.=The population of the city is about six million.a lot bigger 大多了，bigger 是比较级，前面用a lot 修饰。a lot , a little, much, a bit, still, even, far等可以用来修饰形容词或副词的比较级，表示程度，起强调作用。 My room is a little smaller than yours.2. China is almost as big as the US-两者的同级比较用as-as,表示“与-一样”，否定形式为not as /so -,中间应接形容词/副词的原级，不能用比较级。 Millie is as slim as her cousin.He is not as /so tall as his father.3. Did you know that China is one of the oldest countries in the world?“one of the +最高级+名词复数”意为“最-之一”。 He is one of the most famous writers in China. Look at the picture about The Great Wall 中国的长城共有近一万公里，东起河北秦皇岛的山海关，西到嘉峪关，这是明代修筑长城的两个最大关口，北京境内的长城有600余公里，比较著名的有八达岭长城、金山岭长城、司马台长城、慕田峪长城、居庸关长城和箭扣长城等。Step 5 Reading and Roe-play2d Task 1 : 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?Language points 1. 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, so far as I know.他们今天不来了 就我所知是这样的。 Man-made 人造的，为形容词的合成词。类似的有：good-looking 相貌好看的； Hard-working 勤劳的；well-known 著名的； Fast-food 专门提供快餐服务的。Task 2: Read the conversation in roles.Task 3: Fill in the blanks.Guide: Feel free _me anything _todays Great Wall_.Tourist1: How long is the wall?Guide: Ah, _popular question! If were only talking about the _from the Ming Dynasty, its about 8,850 kilometers_. This makes it the _ wall in the world.Tourist 2: Wow, thats_! Why did the _emperors _the wall?Guide: The main reason was to _their part of the country. As you can see, its quite tall and wide. As _as I know, there are no other man-made objects as_ as this.Tourist 3: Is Badaling _of the Ming Great Wall?Guide: Yes, its the most_part.Task 4: Practice the conversation with their partners. Then let some pairs act out the conversation.Exercises: the end of- class test.用所给词的适当形式填空。 1. India is one of the _ (old) countries in Asia.2.Jacks handwriting is as _(good) as Mikes.3.Whats the _(high) mountain in the world?4.Please feel free _(call) me up any time until half past nine at night.5. Qomolangma is _(high) than any other mountain in the world.根据汉语意思完成句子。 1.就我所知，杰克有一个孪生姐姐。 I know, Jack has a twin sister.2.中国的人口是多少？ _ _ _