Unit 7 What's the highest mountain in the world Section A Grammar focus 4a—4c 教学设计（表格式）人教版八年级下册

教学设计
课程基本信息
学科 英语 年级 八年级 学期 春季
课题 Unit 7 What’s the highest mountain in the world Section A Grammar focus 4a-4c
教学目标
use large numbers to describe the height, the depth, the length and the size of the facts. 2. use comparatives and superlatives to describe geography and nature.
教学内容
教学重点： Learn to describe geography and nature with large numbers, comparatives and superlatives.
教学难点： Student may feel it difficult to talk about geography and nature orally and in writing.
教学过程
Step 1 warming up and lead in Greeting Review T: Last time we talked about a famous mountain. Do you still remember it Let’s have a quick review. Please open your book and turn to page 51, read it quickly and answer my questions. Question 1 what is one of the world’s most dangerous sports Question 2 what is the highest mountain in the world Question 3 how high is it Step 2 Presentation & Practice Talk about the top of the world T: Qomolangma is the highest mountain in the world, do you know other tops of the world How about the longest river, the biggest desert, the longest wall, the deepest Salt Lake Read and circle T: The Caspian Sea is not only the deepest salt lake, it’s also the largest salt lake in the world. Do you want to know more about it Let’s read. While reading, please circle some numbers, comparatives and superlatives. Conclude the grammar rules. Rule 1: 主语＋be动词+基数词(hundred/thousand/million…)+度量词(meters or kilometers)+形容词(long/high/deep…) Rule 2: 主语+ be动词+基数词 (hundred/thousand/million…) + square + 度量词(meters/kilometers) + in size Rule 3: 主语+谓语+(not)as+原级+as Rule 4: 主语+谓语+比较级+than+比较对象 Rule 5: 主语＋谓语＋最高级+in 或者of… 主语+谓语+one of the+最高级+名词复数+in或者of Step3 Production Make sentences to describe three rivers. T: As we know, rivers are of great importance for our human beings. The Nile is the longest river in the world. But in China, we also have two great rivers, do you know what they are Yes, they are the Yangtze River and the Yellow River. How long are they You can search for the information on the Internet. Great! The Yangtze River is six thousand and three hundred kilometers long. The Yellow River is five thousand, four hundred and sixty-four kilometers long. Can you write more sentences to describe them Use what we have learned! _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ Read and fill in the blanks. T: Do you want to know more about these two rivers. The Yangtze River and the Yellow River. Let’s read a note. The Yangtze River and the Yellow River are two mother rivers of the Chinese nation. The Yangtze River is the ________ (long) river in both China and Asia. It’s about 6,300 kilometers _______ (long), much_______(long) than the Yellow River. It begins in western China and ends into the East China Sea. The Yellow River is one of the ______ (long) rivers in China and it flows through 9 provinces. It’s about 5,464 kilometers ______(long). Because there is a lot of mud and sand, that’s how the Yellow River gets its name. Both rivers have played important roles in Chinese history, culture and economy. Write to introduce rivers of Zhejiang Province T: Rivers are important. There are also some rivers in Zhejiang Province. The Qiantang River, the Oujiang river and the Feiyun river. This time let’s introduce them. Pay attention, you need to describe all the rivers, use large numbers, most importantly, you have to use comparatives and superlative correctly. By the way, if you need more information, You can search on the internet. Try to find more details about them. _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ Step4 Homework Search for the information about the top of your hometown . Write a short passage to introduce them by using large numbers, comparatives and superlatives.