英语人教版八年级下册Unit7 Period1 导学案.doc

导学案Unit 7 Whats the highest mountain in the world?Period 1 Section A 1a-2c【学习目标】. Learning Aims1. Learn and master the key words.2. Master how to say large numbers.3. Become more skillful in mastering comparatives and superlatives. Learning Key Points1. Geographical words and phrases:Qomolangma, desert, the Nile, the Caspian Sea, the Sahara, the Yangtze River, the Yellow River.2. Key sentences including large numbers, comparatives and superlatives:Qomolangma is higher than any other mountain in the world.China has the biggest population in the world.China is almost as big as the US.【学习过程】Step 1. Warm up & lead-in1. Play a game-guess the price.1)38,888/ 37,888/ 38,988 2)315,000/ 350,000/ 351,000 3)50,000,000/ 45,100,000/ 45,000,0002. Lead-in. Give a number 8844.43. Think about one question- what does it remind you of? Then enjoy a video about Qomolangma.Step 2. Presentation1. Look at the pictures and learn the new words.2. Then look at the four pictures on the sreen, pay attention to the phrases in red.3. Summarize how to describe the mountain/ the river/ the desert and so on. E.g. The Caspian Sea is 1,025 meters deep.The Nile is 6,671 kilometers long.Qomolangma is 8,844.43 meters high.规律：表达某人/某物有深/长/高/宽_Step 3. Activity 1a 1. Look at the chart, match the facts. While doing, pay attention to the large numbers in these sentences.2. Check the answers together.Step 4. Activity 1b 1. Compare some mountains, lakes, deserts of China with them.使用以下句型：A is +比较级+ than BA is the +最高级 + 比较范围2. Listen carefully, complete the sentences.听力技巧小结：_3. Check the answers.Step 5. Activity 1c1. Work in pairs. Talk about the four pictures with partners. Useful sentence patterns:A: Whats thein the world? B: its 2. Invite several partners to show their conversation.Step 6. Activity 2a & 2b1. Look through the four sentences and grasp the main idea of them. 1) Underline the key words in each sentence. 听力技巧小结：_2) Listen to the tape and number the sentences in the order.3) Check the answer.2. Listen again. Fill in the blanks with the given numbers.3. Consolidation. Read the tapescripts on page 104. Then answer three questions. 1) How long does China has the history? What about the US?_ 2) Is China about the same size as the US?_3) How long is the Yangtze River?_Step 7. Role play1. Imagine you are a tour guide of China, how will you introduce this country to foreign tourists? You can use a map of China and several pictures.2. You can organize your introduction from the following aspects:1) History: over 5,000 years old2) Size: 9,600,000 square kilometers3) Population: the largest population in the world4) River: two main rivers5) Some other places of interest: the Great Wall, The Summer Palace and so on.Step 8. Summary Think about what you have learned in the period.1. Learn about geography and nature.2. Compare things using comparatives and superlatives.1).A+be动词+比较级+than B2).A+be动词+比较级+than any other+单数名词3).A+be动词+the+最高级+in/ of4).A+be动词+as+原级+as BStep 9. Exercises Finish the exercises to consolidate what you have learned today. 【探究归纳】知识点一：about 9,600,000 square kilometers in size 大约960万平方千米square不可数名词，意为“平方”。326 square kilometers 326平方千米。【拓展】1) square作可数名词，意为“正方形”。The cookies were in the form of squares.那些饼干是正方形的。2) square做可数名词，意为“广场，街区”。Tiananmen Square 天安门广场知识点二：China has the biggest population in the world.中国是世界上人口最多的国家。population是一个集合名词，意为“人口”。（1）population常与定冠词the连用，做主语时，位于动词用第三人称单数形式。The worlds population is increasing faster and faster.全世界的人口增长得越来越快。（2）表示人口的“多”或“少”，不用much或little，而要用large或small修饰。a large/small population人口众多/少【当堂巩固】一. 根据句意及提示完成单词。1. The biggest d_ in the world is the Sahara.2. The river is d_ to swim in. Its dangerous.3. Bangladesh now has a p_ of about 110 million.4. Japan is an A_ country.5. A _(正方形) has four sides.6. This building is over twenty _(米) high.二. 用形容词的正确形式填空。7. My shoes are new. My sisters are _than mine.8. Her bag is heavy, and his is _than hers. But yours is _of all.9. Bill is seven. John is nine and Tom is eleven. Tom is _ than John and Bill. Bill is _ than John. Bill is _ and Tom is _ of the three.三. 单项选择。10. The population of India is _ than _of China. A. less; that B. smaller; that C. less; those D. smaller; those11. What _ the population of China? About 1,300,000,000.A. are B. is C. be D. has12. Its _ in the world.A. the biggest desert B. biggest desertC. the biggest deserts D. bigger desert13. There are no man-made objects as _ as the Great Wall.A. bigger B. biggest C. big D. the biggest四完成句子14. 中国是世界上最古老的国家之一。China is _ _ _ _ _ _ in the world.15. 撒哈拉沙漠面积大约有9600000平方公里。The Sahara is about 9,600,000 _ _ _ _.16. 珠穆朗玛峰比世界上任何一座山都要高。Qomolangma